1829 lines
100 KiB
C#
1829 lines
100 KiB
C#
using AyCode.Core.Compression;
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using AyCode.Core.Serializers.Attributes;
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using AyCode.Core.Serializers.Binaries;
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using AyCode.Core.Tests.Serialization; // DrainFromAsync extension (test-only, used by benchmark)
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using AyCode.Core.Tests.TestModels;
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using MemoryPack;
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#if !AYCODE_NATIVEAOT
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using MessagePack;
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using MessagePack.Resolvers;
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#endif
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using Microsoft.Extensions.Options;
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using System.Buffers;
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using System.Diagnostics;
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using System.IO.Pipelines;
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using System.IO.Pipes;
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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Text;
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using System.Text.Json;
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using AyCode.Core.Serializers.Console.Benchmarks;
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namespace AyCode.Core.Serializers.Console;
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/// <summary>
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/// Comprehensive benchmark application for all serializers.
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/// Compares: AcBinary (all options), MemoryPack, MessagePack, Newtonsoft.Json, System.Text.Json
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///
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/// Usage:
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/// dotnet run # Run all benchmarks
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/// dotnet run -- quick # Quick mode (fewer iterations)
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/// dotnet run -- serialize # Serialize only
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/// dotnet run -- deserialize # Deserialize only
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/// </summary>
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public static class Program
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{
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// Configuration (constants, mutable state, attribute-flag aggregation) → Configuration.cs
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/// <summary>
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/// Common Options-column formatter for every AcBinary serializer benchmark row. Renders the
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/// configured options-level value AND the effective attribute-level enable flag side-by-side
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/// (e.g. <c>Interning=All(opt) | False (attr)</c>) so attribute-suppressed features cannot
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/// silently mislead. Pass any benchmark-specific extras (e.g. <c>", BufferSize=4096B"</c>)
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/// in <paramref name="extra"/> — they are appended after the common fields.
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/// </summary>
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private static string BuildAcBinaryOptionsDescription(AcBinarySerializerOptions options, string extra = "")
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{
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// PropertyFilter: opt-side is "Set"/"None" depending on whether a callback is registered (the callback
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// itself isn't a meaningful display value); attr-side is the cross-type-aggregated bool (true = every
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// tagged type has the feature enabled, false = at least one type opted out via
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// [AcBinarySerializable(enablePropertyFilterFeature: false)] → SGen-emit + Runtime hot-loop both gate).
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var propFilterOpt = options.PropertyFilter == null ? "None" : "Set";
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return $"WireMode={options.WireMode}, " +
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$"RefHandling={options.ReferenceHandling}(opt) | {Configuration.AttrFlags.refHandling} (attr), " +
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$"Interning={options.UseStringInterning}(opt) | {Configuration.AttrFlags.internString} (attr), " +
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$"Metadata={options.UseMetadata}(opt) | {Configuration.AttrFlags.metadata} (attr), " +
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$"PropertyFilter={propFilterOpt}(opt) | {Configuration.AttrFlags.propertyFilter} (attr), " +
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$"SGen={options.UseGeneratedCode}, " +
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$"Compression={options.UseCompression}{extra}";
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}
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/// <summary>
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/// Returns MemoryPack serializer options aligned with <see cref="Configuration.SelectedWireMode"/> for a fair
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/// apples-to-apples wire-format comparison:
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/// <list type="bullet">
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/// <item><see cref="WireMode.Compact"/> → <see cref="MemoryPackSerializerOptions.Default"/> (UTF-8) — both
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/// engines encode UTF-8, comparison is purely about header / tier / dispatch overhead.</item>
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/// <item><see cref="WireMode.Fast"/> → <see cref="MemoryPackSerializerOptions.Utf16"/> (UTF-16 raw memcpy) —
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/// both engines write UTF-16 raw bytes, so wire-size and CPU comparison reflect the same string-encoding family.</item>
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/// </list>
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/// Without this alignment the FastWire vs MemPack-default comparison conflates two unrelated dimensions
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/// (UTF-16 raw vs UTF-8 encoded) and produces a misleading +40% wire-size delta that is structurally
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/// the encoding-family difference, NOT an AcBinary-specific overhead.
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/// </summary>
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private static MemoryPackSerializerOptions GetMemPackOptions() =>
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Configuration.SelectedWireMode == WireMode.Fast
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? MemoryPackSerializerOptions.Utf16
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: MemoryPackSerializerOptions.Default;
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/// <summary>
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/// Converts a total-time (in ms across <see cref="Configuration.TestIterations"/>) into per-operation microseconds.
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/// Formula: <c>totalMs / iterations × 1000</c>. The benchmark stores <c>*TimeMs</c> as the cumulative
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/// median over the timing run; the display layer renders per-op µs to make numbers iteration-count
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/// independent (e.g. switching <c>Configuration.TestIterations</c> 1000 → 100 leaves the displayed µs/op unchanged
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/// — only its sample noise grows). Symmetric with the already-per-op <c>*AllocBytesPerOp</c> fields.
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/// </summary>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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/// <summary>
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/// Converts a total-time (in ms across <paramref name="iterations"/>) into per-operation microseconds.
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/// Per-op µs is the iter-independent unit: 1000 iter and 50000 iter of the same operation should
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/// produce the same per-op µs (within noise). Necessary because per-cell adaptive iteration makes
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/// <c>iterations</c> a per-row property — there is no longer a single global Configuration.TestIterations to divide by.
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/// </summary>
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// Output helpers (PrintResult, SaveResults, OverallStats, FormatMicrosWithRange, etc.) → Output.cs
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// BenchmarkResult DTO → BenchmarkResult.cs
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public static void Main(string[] args)
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{
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// Set console encoding to UTF-8 for proper Unicode character display
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System.Console.OutputEncoding = Encoding.UTF8;
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// Setup validation — abort BEFORE any benchmark logic if MemoryPack baseline is invalid.
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// Done early so user is told immediately, not after warmup.
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BenchmarkLoop.ValidateMemoryPackSetup();
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// CLI mode (args provided): run once, parse args, exit. Backward-compatible behaviour.
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if (args.Length > 0)
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{
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if (!TryParseCliArgs(args, out var layer, out var opMode, out var serializerMode))
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return; // invalid args
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RunBenchmark(layer, opMode, serializerMode);
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return;
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}
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// Interactive mode (no args): loop the menu so the user doesn't have to restart between runs.
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// Q exits the menu (and the application).
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while (true)
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{
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var selection = Menu.ShowInteractiveMenu();
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if (selection == null) return; // user pressed Q
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RunBenchmark(selection.Value.layer, "all", selection.Value.serializerMode);
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System.Console.WriteLine();
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System.Console.WriteLine("─────────────────────────────────────────────────────────────────────");
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System.Console.WriteLine("Returning to menu — press any key to continue, or Q to quit...");
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var key = System.Console.ReadKey(intercept: true);
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if (key.Key == ConsoleKey.Q) return;
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System.Console.WriteLine();
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}
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}
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/// <summary>
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/// Parses CLI arguments into (layer, opMode, serializerMode). Returns <c>false</c> if the args
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/// are invalid; the caller should then exit without running the standard benchmark.
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/// </summary>
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private static bool TryParseCliArgs(string[] args, out string layer, out string opMode, out string serializerMode)
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{
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layer = "all";
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opMode = "all";
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serializerMode = "standard";
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var arg = args[0].ToLower();
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// Quick mode: short warmup, few iterations, small sample count
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if (arg == "quick")
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{
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Configuration.WarmupIterations = 5;
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Configuration.TestIterations = 100;
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Configuration.BenchmarkSamples = 3;
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layer = "all";
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}
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else if (arg is "core" or "comprehensive" or "edge" or "all"
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or "small" or "medium" or "large" or "repeated" or "deep")
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{
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layer = arg;
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}
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else if (arg is "asyncpipe" or "pipe")
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{
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// AsyncPipe-only mode: streaming I/O isolation across all test data.
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layer = "all";
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serializerMode = "asyncpipe";
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}
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else if (arg is "ser" or "serialize")
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{
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opMode = "serialize";
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layer = "all";
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}
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else if (arg is "des" or "deserialize")
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{
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opMode = "deserialize";
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layer = "all";
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}
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else
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{
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// Backwards compat: unknown arg → treat as layer keyword
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layer = arg;
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}
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return true;
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}
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/// <summary>
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/// Runs the benchmark suite end-to-end for the given configuration: pre-warmup → per-cell warmup
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/// + measurement → grouped results print → save to disk. Used by both the CLI and interactive
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/// menu paths; the interactive loop calls this repeatedly without restarting the process.
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/// </summary>
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private static void RunBenchmark(string layer, string opMode, string serializerMode)
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{
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System.Console.WriteLine("╔══════════════════════════════════════════════════════════════════════╗");
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System.Console.WriteLine("║ COMPREHENSIVE SERIALIZER BENCHMARK SUITE ║");
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System.Console.WriteLine("╚══════════════════════════════════════════════════════════════════════╝");
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// Stabilization: pin the entire benchmark process to a single logical CPU and bump priority
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// class. Single-core affinity stops Windows from migrating the bench thread between cores
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// mid-sample (a migration evicts L1/L2 caches and corrupts a measurement); High priority
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// reduces preemption by background tasks (Defender scans, indexer, etc.) that otherwise
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// randomly inflate samples by 5-15%.
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// Try/finally guarantees the original state is restored even if a benchmark throws — leaving
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// a developer machine pinned to one core after a crashed run is a real foot-gun.
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// Skipped on Debug single-sample mode (Configuration.BenchmarkSamples <= 1) where stabilization is moot.
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var process = Process.GetCurrentProcess();
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var origAffinity = (IntPtr)0;
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var origPriority = ProcessPriorityClass.Normal;
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var stabilizationApplied = false;
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// ProcessorAffinity is only supported on Windows + Linux (CA1416). macOS would throw at
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// runtime; skip the affinity step there but still raise priority class (which IS supported
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// on macOS, just less effective for stabilization than affinity pinning).
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if (Configuration.BenchmarkSamples > 1 && (OperatingSystem.IsWindows() || OperatingSystem.IsLinux()))
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{
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try
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{
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origAffinity = process.ProcessorAffinity;
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origPriority = process.PriorityClass;
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// Pin to CPU 0 (mask = 1). Choosing CPU 0 is arbitrary; what matters is "exactly one
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// core, consistently" — not which one. If CPU 0 is heavily contended on the host
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// (e.g. dedicated to system-wide IRQs on some Windows configs), the user can tweak
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// the mask here. The benchmark is single-threaded for the in-memory rows so single
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// core is sufficient; round-trip-only NamedPipe rows have a server-drain thread
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// that will share the core (acceptable — the bench measures end-to-end RT anyway).
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process.ProcessorAffinity = (IntPtr)1;
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process.PriorityClass = ProcessPriorityClass.High;
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stabilizationApplied = true;
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System.Console.WriteLine($"Stabilization: pinned to CPU 0 (affinity=0x1), priority=High.");
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}
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catch (Exception ex)
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{
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// Affinity/priority changes may fail on locked-down hosts (group policies, containers
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// without CAP_SYS_NICE on Linux, etc.). Surface and continue — the benchmark still
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// works, just with the platform default scheduling.
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System.Console.WriteLine($"Stabilization SKIPPED: {ex.GetType().Name}: {ex.Message}");
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}
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}
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try
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{
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var allResults = new List<BenchmarkResult>();
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var allTestDataSets = BenchmarkTestDataProvider.CreateTestDataSets();
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var testDataSets = BenchmarkLoop.FilterByLayer(allTestDataSets, layer);
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System.Console.WriteLine($"Layer: {layer} | OpMode: {opMode} | SerializerMode: {serializerMode} | Charset: {Configuration.GetCurrentCharsetName()} | Iterations: per-cell adaptive (~{Configuration.TargetSampleMs} ms target) | Warmup: {Configuration.WarmupIterations} per phase (Ser/Des isolated) | Samples: {Configuration.BenchmarkSamples} (median) + pilot discard");
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System.Console.WriteLine($"Build: {Configuration.BuildConfiguration} | .NET: {Environment.Version} | Test Type: {testDataSets.FirstOrDefault()?.TypeName ?? "unknown"} | Test Cells: {testDataSets.Count}/{allTestDataSets.Count}");
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System.Console.WriteLine();
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// Global JIT pre-warmup — touches every (testdata × serializer) code path BEFORE any timing happens.
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// Without this, the FIRST test data measured carries JIT-tier-promotion latency: the per-cell warmup
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// alone doesn't ensure that every Serialize<T>/IBufferWriter overload is fully Tier 1 by the time we
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// start measuring. Symptom: first cell's BufferWriter variants run ~2x slower than the SAME variants
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// on later cells (e.g. Small BufWr reuse 9ms vs Medium BufWr reuse 4ms — even though Medium is bigger).
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// Pre-warmup runs every overload at least once with each data shape so .NET 9's tiered JIT promotes
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// them all in the background; the per-cell warmup that follows then locks in cache + branch state.
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if (Configuration.BenchmarkSamples > 1) // skip in DEBUG (single-sample fast iteration)
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{
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System.Console.WriteLine($"Global JIT pre-warmup ({testDataSets.Count} cells × all serializers, light pass)...");
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foreach (var testData in testDataSets)
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{
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var preSerializers = CreateSerializers(testData, serializerMode);
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try
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{
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foreach (var s in preSerializers)
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{
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// Light warmup just to trigger Tier 0 → Tier 1 promotion. Phase-isolated:
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// Ser path first, then Des path — same pattern as the per-cell warmup in
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// RunBenchmarksForTestData (which still runs afterwards for cache/BTB warming).
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s.WarmupSerialize(2000);
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s.WarmupDeserialize(2000);
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}
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}
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finally
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{
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// Dispose any IDisposable serializers (NamedPipe / FileStream variants own OS resources).
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foreach (var s in preSerializers) (s as IDisposable)?.Dispose();
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}
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}
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// Let background tiered-JIT compilation drain before we begin measuring.
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if (Configuration.JitSleep > 0) Thread.Sleep(Configuration.JitSleep);
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System.Console.WriteLine("✓ Global pre-warmup complete.\n");
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}
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foreach (var testData in testDataSets)
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{
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System.Console.WriteLine($"\n{'═'.ToString().PadRight(70, '═')}");
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System.Console.WriteLine($"TEST DATA: {testData.DisplayName}");
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System.Console.WriteLine($"{'═'.ToString().PadRight(70, '═')}");
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var results = RunBenchmarksForTestData(testData, opMode, serializerMode);
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allResults.AddRange(results);
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}
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// Print grouped results
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Output.PrintGroupedResults(allResults, testDataSets);
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// Save results to file
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Output.SaveResults(allResults, testDataSets);
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System.Console.WriteLine("\n✓ Benchmark complete!");
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}
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finally
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{
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// Restore process state — affinity/priority changes are process-wide and persist across
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// interactive-mode iterations of the menu. Without restore, the second menu run would
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// already be on CPU-0 + High priority before its own try-block applied them, masking
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// any stabilization-disabled comparison.
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if (stabilizationApplied && (OperatingSystem.IsWindows() || OperatingSystem.IsLinux()))
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{
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try { process.ProcessorAffinity = origAffinity; } catch { /* best-effort */ }
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try { process.PriorityClass = origPriority; } catch { /* best-effort */ }
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}
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}
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}
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#region Benchmark Execution
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private static List<BenchmarkResult> RunBenchmarksForTestData(TestDataSet testData, string mode, string serializerMode)
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{
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var results = new List<BenchmarkResult>();
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var serializers = CreateSerializers(testData, serializerMode);
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// Round-trip correctness check — once per (cell × serializer), BEFORE warmup. Aborts the entire benchmark on failure.
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System.Console.WriteLine("Verifying round-trip correctness...");
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foreach (var serializer in serializers)
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{
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if (!serializer.VerifyRoundTrip())
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{
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System.Console.Error.WriteLine($"❌ FATAL: Round-trip verification FAILED for {serializer.Name} on {testData.DisplayName}");
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System.Console.Error.WriteLine("Benchmark numbers from a serializer with broken round-trip would be meaningless. Aborting.");
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Environment.Exit(1);
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}
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}
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System.Console.WriteLine("✓ All serializers passed round-trip verification.");
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// Per-serializer, PER-PHASE (warmup → calibrate → measurement) cycle: each serializer's Ser-path and
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// Des-path get COMPLETELY ISOLATED warmup→measure rounds, with a GC.Collect at every phase boundary.
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//
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// Why phase-isolation: a combined warmup (Ser+Des interleaved) leaves the CPU I-cache + branch-predictor
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// in a "compromise state" — neither Ser nor Des code-set dominates. The first phase to measure pays a
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// cache-miss penalty as its code-set displaces the leftover-warmup-state. Isolated warmup→measure pairs
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// keep the I-cache HOT for ONLY the measured path, both in the warmup (priming) and the measurement
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// (steady-state). Branch-predictor history also stays clean per path.
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//
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// GC.Collect at every boundary: removes residual allocation pressure from the previous phase (write-buffer
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// pool churn from Ser, deserialized object graph from Des) so the next phase starts with a quiescent
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// heap — GC tier-promotion timing during measurement is then driven only by THAT phase's allocations.
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//
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// Configuration.JitSleep per-phase: tiered JIT background promotion drain after each warmup (mode-aware: 0 ms in AOT).
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// Each phase's freshly-promoted methods settle before its timing starts.
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System.Console.WriteLine($"Running benchmarks (target ~{Configuration.TargetSampleMs} ms/sample × {Configuration.BenchmarkSamples} samples median, phase-isolated warmup/measure per Ser/Des)...\n");
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foreach (var serializer in serializers)
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{
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var result = new BenchmarkResult
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{
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TestDataName = testData.DisplayName, // Use DisplayName for IId% info
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Engine = serializer.Engine,
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IoMode = serializer.IoMode,
|
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DispatchMode = serializer.DispatchMode,
|
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OptionsPreset = serializer.OptionsPreset,
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OptionsDescription = serializer.OptionsDescription,
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SerializedSize = serializer.SerializedSize,
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SetupSerializeAllocBytes = serializer.SetupSerializeAllocBytes,
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SetupDeserializeAllocBytes = serializer.SetupDeserializeAllocBytes,
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IsRoundTripOnly = serializer.IsRoundTripOnly
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};
|
||
|
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// Group label for in-place \r progress. Identifies (cell × serializer) so a stuck benchmark
|
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// is visibly stuck on a specific row at a specific %% rather than silently hanging.
|
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var groupLabel = $"{result.SerializerName}";
|
||
|
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if (serializer.IsRoundTripOnly)
|
||
{
|
||
// Round-trip-only benchmarks (NamedPipe etc.): single phase — Serialize() performs the full RT,
|
||
// Deserialize() is a no-op. We use the Ser-phase entry-points (WarmupSerialize) to warm the
|
||
// entire round-trip path, then record into the RT result columns.
|
||
if (mode is "all" or "serialize" or "ser")
|
||
{
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BenchmarkLoop.ForceGcCollect();
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serializer.WarmupSerialize(Configuration.WarmupIterations);
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if (Configuration.JitSleep > 0) Thread.Sleep(Configuration.JitSleep);
|
||
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var rtIter = BenchmarkLoop.CalibrateIterations(() => serializer.Serialize(), Configuration.TargetSampleMs);
|
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var (rtMed, rtMin, rtMax, rtStd) = BenchmarkLoop.RunTimed(() => serializer.Serialize(), rtIter, $"{groupLabel} [RT timing]");
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result.RoundTripTimeMs = rtMed;
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result.RoundTripTimeMinMs = rtMin;
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result.RoundTripTimeMaxMs = rtMax;
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result.RoundTripTimeStdDevMs = rtStd;
|
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result.RoundTripIterations = rtIter;
|
||
// Process-wide allocation measurement: server-drain-thread allocations (server-side new byte[len])
|
||
// also show up — otherwise current-thread alloc would only count the client side and look ~halved.
|
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result.RoundTripAllocBytesPerOp = BenchmarkLoop.MeasureAllocationTotal(() => serializer.Serialize(), rtIter, $"{groupLabel} [RT alloc]");
|
||
}
|
||
// mode == "deserialize" alone is meaningless for a round-trip-only benchmark; skip silently.
|
||
}
|
||
else
|
||
{
|
||
// ── Ser phase ── isolated warmup → Configuration.JitSleep → calibrate → time → alloc; preceded by GC.Collect.
|
||
if (mode is "all" or "serialize" or "ser")
|
||
{
|
||
BenchmarkLoop.ForceGcCollect();
|
||
serializer.WarmupSerialize(Configuration.WarmupIterations);
|
||
if (Configuration.JitSleep > 0) Thread.Sleep(Configuration.JitSleep);
|
||
|
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var serIter = BenchmarkLoop.CalibrateIterations(() => serializer.Serialize(), Configuration.TargetSampleMs);
|
||
var (serMed, serMin, serMax, serStd) = BenchmarkLoop.RunTimed(() => serializer.Serialize(), serIter, $"{groupLabel} [Ser timing]");
|
||
result.SerializeTimeMs = serMed;
|
||
result.SerializeTimeMinMs = serMin;
|
||
result.SerializeTimeMaxMs = serMax;
|
||
result.SerializeTimeStdDevMs = serStd;
|
||
result.SerializeIterations = serIter;
|
||
// Dedicated alloc-only sample (separate from timing samples; keeps timing pure)
|
||
result.SerializeAllocBytesPerOp = BenchmarkLoop.MeasureAllocation(() => serializer.Serialize(), serIter, $"{groupLabel} [Ser alloc]");
|
||
}
|
||
|
||
// ── Des phase ── isolated warmup → Configuration.JitSleep → calibrate → time → alloc; preceded by GC.Collect.
|
||
// The GC.Collect here is critical: it discards the Ser-phase's write-buffer pool churn so the
|
||
// Des-phase's allocation measurement reflects ONLY Des-side allocations (deserialized object graph).
|
||
if (mode is "all" or "deserialize" or "des")
|
||
{
|
||
BenchmarkLoop.ForceGcCollect();
|
||
serializer.WarmupDeserialize(Configuration.WarmupIterations);
|
||
if (Configuration.JitSleep > 0) Thread.Sleep(Configuration.JitSleep);
|
||
|
||
var desIter = BenchmarkLoop.CalibrateIterations(() => serializer.Deserialize(), Configuration.TargetSampleMs);
|
||
var (desMed, desMin, desMax, desStd) = BenchmarkLoop.RunTimed(() => serializer.Deserialize(), desIter, $"{groupLabel} [Des timing]");
|
||
result.DeserializeTimeMs = desMed;
|
||
result.DeserializeTimeMinMs = desMin;
|
||
result.DeserializeTimeMaxMs = desMax;
|
||
result.DeserializeTimeStdDevMs = desStd;
|
||
result.DeserializeIterations = desIter;
|
||
result.DeserializeAllocBytesPerOp = BenchmarkLoop.MeasureAllocation(() => serializer.Deserialize(), desIter, $"{groupLabel} [Des alloc]");
|
||
}
|
||
|
||
// Compose RT from Ser+Des. Because Ser and Des may have DIFFERENT iter counts post-calibration,
|
||
// batch-time addition would be misleading. Instead: compute per-op µs (iter-independent),
|
||
// then synthesize RoundTripTimeMs against RoundTripIterations = max(serIter, desIter) so that
|
||
// RoundTripTimeMs / RoundTripIterations * 1000 == Output.SerPerOp + Output.DesPerOp.
|
||
var serPerOp = Output.ToPerOpMicros(result.SerializeTimeMs, result.SerializeIterations);
|
||
var desPerOp = Output.ToPerOpMicros(result.DeserializeTimeMs, result.DeserializeIterations);
|
||
var rtPerOp = serPerOp + desPerOp;
|
||
result.RoundTripIterations = Math.Max(result.SerializeIterations, result.DeserializeIterations);
|
||
result.RoundTripTimeMs = rtPerOp / 1000.0 * result.RoundTripIterations;
|
||
result.RoundTripAllocBytesPerOp = result.SerializeAllocBytesPerOp + result.DeserializeAllocBytesPerOp;
|
||
}
|
||
|
||
results.Add(result);
|
||
Output.PrintResult(result);
|
||
}
|
||
|
||
// Dispose any IDisposable serializers (NamedPipe / FileStream variants own OS resources that must be released
|
||
// before the next test data builds new ones — otherwise pipes / handles leak across test cells).
|
||
foreach (var s in serializers) (s as IDisposable)?.Dispose();
|
||
|
||
return results;
|
||
}
|
||
|
||
private static List<ISerializerBenchmark> CreateSerializers(TestDataSet testData, string serializerMode)
|
||
{
|
||
// FastestByte mode — focused 1:1 comparison on the "fastest Byte[]" path.
|
||
// TWO benchmarks: AcBinary FastMode Byte[] (Compact UTF-8) + MemoryPack Byte[].
|
||
// - Compact: smallest wire, UTF-8 encode/decode CPU cost vs MemPack head-to-head.
|
||
// Tight optimization-iteration loop: ~30-45 sec vs full 2-3 min.
|
||
//
|
||
// FastWire row (UTF-16 raw memcpy) commented out for the current optimization sprint —
|
||
// we are tuning Compact mode against MemPack directly; FastWire was used as a noise-floor
|
||
// reference earlier. Re-enable when revisiting Fast wire-mode performance.
|
||
if (serializerMode == "fastestbyte")
|
||
{
|
||
var fastestByteOptions = AcBinarySerializerOptions.FastMode;
|
||
fastestByteOptions.WireMode = Configuration.SelectedWireMode;
|
||
|
||
return new List<ISerializerBenchmark>
|
||
{
|
||
new AcBinaryBenchmark(testData.Order, fastestByteOptions, "FastMode"),
|
||
//new AcBinaryBenchmark(testData.Order, fastWireOptions, "FastMode (FastWire)"),
|
||
new MemoryPackBenchmark(testData.Order, "Default"),
|
||
};
|
||
}
|
||
|
||
// AsyncPipe-only mode — return ONLY the AsyncPipe streaming benchmark (no other serializer).
|
||
// Streaming I/O has long-lived pipe setup + kernel-buffer overhead that, when interleaved with
|
||
// the standard byte-array / IBufferWriter measurements, masks the steady-state numbers. Run it
|
||
// in isolation so the timing numbers reflect ONLY the streaming path.
|
||
if (serializerMode == "asyncpipe")
|
||
{
|
||
// NamedPipe — pipe-aligned chunk size for the long-lived IPC scenario. The chunkSize here
|
||
// drives the AsyncPipeWriterOutput's chunk-on-wire size (header + data, page-aligned thanks to
|
||
// the AcquireChunk fix) AND the kernel pipe buffer size (inBufferSize/outBufferSize on the
|
||
// NamedPipeServerStream ctor). Same value across both layers = one WriteFile(chunkSize) syscall
|
||
// fits blocking-free in one kernel pipe-buffer slot. Single source of truth for both app-level
|
||
// wire chunk AND kernel transfer unit; change ONLY this line when tuning.
|
||
var binaryFastModePipeChunkOnly = AcBinarySerializerOptions.FastMode;
|
||
binaryFastModePipeChunkOnly.BufferWriterChunkSize = Configuration.PipeChunkSize;
|
||
binaryFastModePipeChunkOnly.WireMode = Configuration.SelectedWireMode;
|
||
|
||
return new List<ISerializerBenchmark>
|
||
{
|
||
// Chunked-framed AsyncPipe: SerializeChunkedFramed + AsyncPipeReaderInput.DrainFromAsync.
|
||
// Measures the FULL streaming-I/O stack — wire framing + drain task + sliding-window buffer +
|
||
// MRES wait-on-byte-shortage — over a kernel NamedPipe.
|
||
new AcBinaryNamedPipeBenchmark(testData.Order, binaryFastModePipeChunkOnly, "FastMode (PipeChunk)"),
|
||
// Raw byte[] over NamedPipe (sync receive, no chunk-framing). Same kernel-pipe transport,
|
||
// same inBufferSize, but: serialize → byte[] → Stream.Write → Stream.Read → Deserialize<T>(byte[]).
|
||
// No drain task, no AsyncPipeReaderInput, no [201][UINT16][data]…[202] framing. Side-by-side with
|
||
// the chunked-row above this isolates AsyncPipe-framework-overhead (Δ vs raw) from
|
||
// kernel-transport-overhead (raw vs in-process Byte[]).
|
||
new AcBinaryNamedPipeRawByteArrayBenchmark(testData.Order, binaryFastModePipeChunkOnly, "FastMode (PipeRaw)"),
|
||
// Chunked-framed AsyncPipe over an IN-MEMORY System.IO.Pipelines.Pipe (NO NamedPipe, NO kernel).
|
||
// Same chunked-streaming code path (SerializeChunkedFramed → AsyncPipeReaderInput) but with the
|
||
// kernel-pipe replaced by a managed-only Pipe. Eliminates per-chunk syscall overhead (~30 µs/chunk
|
||
// on NamedPipe → ~1-2 µs/chunk on in-memory Pipe). Side-by-side with the NamedPipe row above this
|
||
// isolates pure CPU cost of the chunked-streaming framework (vs kernel-pipe transport cost) — the
|
||
// in-memory Pipe row should be much closer to the raw-byte[] row, validating that NamedPipe loopback
|
||
// is the worst-case benchmark scenario for chunked-streaming and not representative of real network
|
||
// / file / cross-thread Pipe scenarios.
|
||
new AcBinaryInMemoryPipeBenchmark(testData.Order, binaryFastModePipeChunkOnly, "FastMode (PipeChunk)"),
|
||
// Raw byte[] over IN-MEMORY direct cross-thread handoff (no transport at all). Apples-to-apples
|
||
// baseline for the in-memory chunked row above: same in-memory transport (zero kernel), but raw
|
||
// byte[] vs chunked-streaming wire format. Completes the 2x2 matrix [chunked,raw] × [kernel,memory].
|
||
new AcBinaryInMemoryRawByteArrayBenchmark(testData.Order, binaryFastModePipeChunkOnly, "FastMode (PipeRaw)"),
|
||
};
|
||
}
|
||
|
||
// Standard mode — all serializers EXCEPT AsyncPipe (the streaming benchmark is opt-in via the
|
||
// AsyncPipe menu / CLI mode, never bundled with the steady-state suite).
|
||
|
||
var binaryNoInternOption = AcBinarySerializerOptions.Default;
|
||
binaryNoInternOption.UseStringInterning = StringInterningMode.None;
|
||
binaryNoInternOption.WireMode = Configuration.SelectedWireMode;
|
||
|
||
var binaryDefaultNoSgenOption = AcBinarySerializerOptions.Default;
|
||
binaryDefaultNoSgenOption.UseGeneratedCode = false;
|
||
binaryDefaultNoSgenOption.WireMode = Configuration.SelectedWireMode;
|
||
|
||
var binaryFastModeNoSgenOption = AcBinarySerializerOptions.FastMode;
|
||
binaryFastModeNoSgenOption.UseGeneratedCode = false;
|
||
binaryFastModeNoSgenOption.WireMode = Configuration.SelectedWireMode;
|
||
|
||
var binaryFastModeOption = AcBinarySerializerOptions.FastMode;
|
||
binaryFastModeOption.WireMode = Configuration.SelectedWireMode;
|
||
|
||
// BufWr new — 4 KB chunk size for the FRESH ArrayBufferWriter scenario. The chunkSize here drives
|
||
// the serializer's GetSpan(N) request → the ArrayBufferWriter's internal allocation per call.
|
||
// Small chunk = small per-call allocation, optimum for one-shot serialization where each iteration
|
||
// allocates a fresh ABW. Independent of the AsyncPipe profile (different mechanism: alloc overhead
|
||
// vs syscall count).
|
||
var binaryFastModeBufWrChunk = AcBinarySerializerOptions.FastMode;
|
||
binaryFastModeBufWrChunk.BufferWriterChunkSize = Configuration.PipeChunkSize;
|
||
binaryFastModeBufWrChunk.WireMode = Configuration.SelectedWireMode;
|
||
|
||
// In-memory Pipe variant — same 4 KB chunkSize as the AsyncPipe mode, no kernel-pipe alignment
|
||
// concern (managed slabs are not page-aligned anyway). Drives SerializeChunkedFramed via the in-memory
|
||
// System.IO.Pipelines.Pipe (zero-copy slab handoff between producer and drain task).
|
||
var binaryFastModePipeChunkInMem = AcBinarySerializerOptions.FastMode;
|
||
binaryFastModePipeChunkInMem.BufferWriterChunkSize = Configuration.PipeChunkSize;
|
||
binaryFastModePipeChunkInMem.WireMode = Configuration.SelectedWireMode;
|
||
|
||
var defaultOptions = AcBinarySerializerOptions.Default;
|
||
defaultOptions.UseStringInterning = StringInterningMode.None;
|
||
defaultOptions.ReferenceHandling = ReferenceHandlingMode.OnlyId;
|
||
defaultOptions.WireMode = Configuration.SelectedWireMode;
|
||
|
||
return new List<ISerializerBenchmark>
|
||
{
|
||
// ============================================================
|
||
// AcBinary — Byte[] API (uncomment to compare option presets side-by-side)
|
||
// ============================================================
|
||
// Fastest Byte[] — SGen path (UseGeneratedCode=true, default).
|
||
new AcBinaryBenchmark(testData.Order, binaryFastModeOption, "FastMode"),
|
||
// Fastest Byte[] — Runtime path (UseGeneratedCode=false). Same wire/options, no source-generated dispatch.
|
||
// Always paired with the SGen variant so every layer can compare the SGen speed-up apples-to-apples.
|
||
// NativeAOT-safe: AcSerializerCommon.Create*Getter/Setter falls back to reflection-based delegates
|
||
// when RuntimeFeature.IsDynamicCodeSupported is false (slower but works under AOT publish).
|
||
new AcBinaryBenchmark(testData.Order, binaryFastModeNoSgenOption, "FastMode"),
|
||
// Default preset Byte[] — RefHandling=OnlyId (deduplicates IId-shared references on the wire) +
|
||
// UseStringInterning=All (deduplicates repeated strings). Showcases the Default preset's wire-size
|
||
// and CPU trade-off vs FastMode on the ~20% IId-ref / repeated-string test data.
|
||
|
||
new AcBinaryBenchmark(testData.Order, defaultOptions, "Default"),
|
||
//new AcBinaryBenchmark(testData.Order, binaryDefaultNoSgenOption, "Default"),
|
||
//new AcBinaryBenchmark(testData.Order, AcBinarySerializerOptions.WithoutReferenceHandling, "NoRef"),
|
||
//new AcBinaryBenchmark(testData.Order, binaryNoInternOption, "NoIntern"),
|
||
|
||
// AcBinary via IBufferWriter (reused ArrayBufferWriter — long-running service / batch scenario)
|
||
new AcBinaryBufferWriterBenchmark(testData.Order, binaryFastModeOption, "FastMode"),
|
||
|
||
// AcBinary via IBufferWriter (FRESH ArrayBufferWriter per call — one-shot scenario).
|
||
// 4 KB chunk size from binaryFastModeBufWrChunk — minimises the per-call ArrayBufferWriter
|
||
// allocation. Optimum for this scenario.
|
||
new AcBinaryFreshBufferWriterBenchmark(testData.Order, binaryFastModeBufWrChunk, "FastMode (4KB)"),
|
||
|
||
// AcBinary chunked-streaming over an IN-MEMORY Pipe (no kernel transport). Side-by-side with the
|
||
// Byte[] / IBufferWriter rows above this shows the chunked-streaming framework's pure CPU cost
|
||
// (no NamedPipe loopback noise) vs the simpler in-process serialize-then-deserialize patterns.
|
||
// The IO column shows "Pipe(in-mem)" — distinct from the NamedPipe AsyncPipe rows in [P] mode.
|
||
new AcBinaryInMemoryPipeBenchmark(testData.Order, binaryFastModePipeChunkInMem, "FastMode (PipeChunk)"),
|
||
|
||
// Raw byte[] over IN-MEMORY direct cross-thread handoff (no transport, no kernel, no Pipe). Apples-to-
|
||
// apples baseline for the in-memory chunked row above: same in-memory pattern, but raw byte[] vs
|
||
// chunked-streaming wire format. The IO column shows "Bytes(in-mem)".
|
||
new AcBinaryInMemoryRawByteArrayBenchmark(testData.Order, binaryFastModePipeChunkInMem, "FastMode (PipeRaw)"),
|
||
|
||
// AsyncPipe streaming over kernel NamedPipe (AcBinaryNamedPipeBenchmark) is intentionally OMITTED
|
||
// here — run it via the dedicated AsyncPipe menu [P] / CLI mode for isolated kernel-transport
|
||
// measurements.
|
||
|
||
// ============================================================
|
||
// MemoryPack — three I/O modes for apples-to-apples comparison
|
||
// ============================================================
|
||
new MemoryPackBenchmark(testData.Order, "Default"),
|
||
new MemoryPackBufferWriterBenchmark(testData.Order, "Default"),
|
||
new MemoryPackFreshBufferWriterBenchmark(testData.Order, "Default"),
|
||
|
||
// ============================================================
|
||
// MessagePack — for legacy comparison
|
||
// ============================================================
|
||
#if !AYCODE_NATIVEAOT
|
||
// MessagePack v3's DynamicGenericResolver uses Activator.CreateInstance on trimmed
|
||
// ListFormatter<T> et al. — fails under NativeAOT publish with "No parameterless constructor".
|
||
// Excluded from the AOT build; available for regular JIT runs only.
|
||
new MessagePackBenchmark(testData.Order, "ContractBased"),
|
||
#endif
|
||
|
||
// System.Text.Json (commented — JSON serializer for reference; not in active suite)
|
||
//new SystemTextJsonBenchmark(testData.Order, "Default")
|
||
};
|
||
}
|
||
|
||
#endregion
|
||
|
||
#region Serializer Implementations
|
||
|
||
internal sealed class AcBinaryBenchmark : ISerializerBenchmark
|
||
{
|
||
private readonly TestOrder _order;
|
||
private readonly AcBinarySerializerOptions _options;
|
||
private readonly byte[] _serialized;
|
||
|
||
public string Engine => Configuration.EngineAcBinary;
|
||
public string IoMode => Configuration.IoByteArray;
|
||
public string DispatchMode => _options.UseGeneratedCode ? Configuration.ModeSGen : Configuration.ModeRuntime;
|
||
public string OptionsPreset { get; }
|
||
public int SerializedSize => _serialized.Length;
|
||
public long SetupSerializeAllocBytes => 0;
|
||
public long SetupDeserializeAllocBytes => 0;
|
||
public string OptionsDescription => BuildAcBinaryOptionsDescription(_options);
|
||
|
||
public AcBinaryBenchmark(TestOrder order, AcBinarySerializerOptions options, string optionsPreset)
|
||
{
|
||
_order = order;
|
||
_options = options;
|
||
OptionsPreset = optionsPreset;
|
||
_serialized = AcBinarySerializer.Serialize(order, options);
|
||
|
||
//_options.UseCompression = Lz4CompressionMode.Block;
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Serialize()
|
||
{
|
||
AcBinarySerializer.Serialize(_order, _options);
|
||
|
||
//if (_options.ReferenceHandling != ReferenceHandlingMode.None || _options.UseStringInterning != StringInterningMode.None)
|
||
//{
|
||
// AcBinarySerializer.ScanOnly(_order, _options);
|
||
//}
|
||
//else AcBinarySerializer.Serialize(_order, _options);
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Deserialize() => AcBinaryDeserializer.Deserialize<TestOrder>(_serialized, _options);
|
||
|
||
public bool VerifyRoundTrip()
|
||
{
|
||
var bytes = AcBinarySerializer.Serialize(_order, _options);
|
||
var roundTripped = AcBinaryDeserializer.Deserialize<TestOrder>(bytes, _options);
|
||
return BenchmarkLoop.DeepEqualsViaJson(_order, roundTripped);
|
||
}
|
||
}
|
||
|
||
internal sealed class MemoryPackBenchmark : ISerializerBenchmark
|
||
{
|
||
private readonly TestOrder _order;
|
||
private readonly MemoryPackSerializerOptions _options;
|
||
private readonly byte[] _serialized;
|
||
|
||
public string Engine => Configuration.EngineMemoryPack;
|
||
public string IoMode => Configuration.IoByteArray;
|
||
public string DispatchMode => Configuration.ModeSGen; // MemoryPack always uses [MemoryPackable] source-generated formatters
|
||
public string OptionsPreset { get; }
|
||
public int SerializedSize => _serialized.Length;
|
||
public long SetupSerializeAllocBytes => 0;
|
||
public long SetupDeserializeAllocBytes => 0;
|
||
public string? OptionsDescription => $"StringEncoding={_options.StringEncoding}";
|
||
|
||
public MemoryPackBenchmark(TestOrder order, string optionsPreset)
|
||
{
|
||
_order = order;
|
||
OptionsPreset = optionsPreset;
|
||
_options = GetMemPackOptions();
|
||
_serialized = MemoryPackSerializer.Serialize(order, _options);
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Serialize() => MemoryPackSerializer.Serialize(_order, _options);
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Deserialize() => MemoryPackSerializer.Deserialize<TestOrder>(_serialized, _options);
|
||
|
||
public bool VerifyRoundTrip()
|
||
{
|
||
var bytes = MemoryPackSerializer.Serialize(_order, _options);
|
||
var roundTripped = MemoryPackSerializer.Deserialize<TestOrder>(bytes, _options);
|
||
return BenchmarkLoop.DeepEqualsViaJson(_order, roundTripped);
|
||
}
|
||
}
|
||
|
||
#if !AYCODE_NATIVEAOT
|
||
// MessagePack benchmark — excluded from NativeAOT build because v3's StandardResolver falls back
|
||
// to DynamicGenericResolver for closed-generic types (List<TestOrderItem> et al.), which uses
|
||
// Activator.CreateInstance on formatter types the AOT trimmer drops → MissingMethodException at runtime.
|
||
// Available for regular JIT runs (`dotnet run`) only.
|
||
internal sealed class MessagePackBenchmark : ISerializerBenchmark
|
||
{
|
||
private readonly TestOrder _order;
|
||
private readonly MessagePackSerializerOptions _options;
|
||
private readonly byte[] _serialized;
|
||
|
||
public string Engine => Configuration.EngineMessagePack;
|
||
public string IoMode => Configuration.IoByteArray;
|
||
public string DispatchMode => Configuration.ModeSGen; // MessagePack uses [MessagePackObject] source-generated formatters (StandardResolver)
|
||
public string OptionsPreset { get; }
|
||
public int SerializedSize => _serialized.Length;
|
||
public long SetupSerializeAllocBytes => 0;
|
||
public long SetupDeserializeAllocBytes => 0;
|
||
public string OptionsDescription { get; }
|
||
|
||
public MessagePackBenchmark(TestOrder order, string optionsPreset)
|
||
{
|
||
_order = order;
|
||
OptionsPreset = optionsPreset;
|
||
|
||
//_options = ContractlessStandardResolver.Options.WithCompression(MessagePackCompression.None);
|
||
//_options = ContractlessStandardResolver.Options.WithCompression(MessagePackCompression.Lz4Block);
|
||
_options = MessagePackSerializerOptions.Standard.WithCompression(MessagePackCompression.None);
|
||
|
||
var isContractless = _options.Resolver is ContractlessStandardResolver;
|
||
OptionsDescription = $"Mode={( isContractless ? "Contractless" : "ContractBased")}, Compression={_options.Compression}";
|
||
|
||
_serialized = MessagePackSerializer.Serialize(order, _options);
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Serialize() => MessagePackSerializer.Serialize(_order, _options);
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Deserialize() => MessagePackSerializer.Deserialize<TestOrder>(_serialized, _options);
|
||
|
||
public bool VerifyRoundTrip()
|
||
{
|
||
var bytes = MessagePackSerializer.Serialize(_order, _options);
|
||
var roundTripped = MessagePackSerializer.Deserialize<TestOrder>(bytes, _options);
|
||
return BenchmarkLoop.DeepEqualsViaJson(_order, roundTripped);
|
||
}
|
||
}
|
||
#endif
|
||
|
||
/// <summary>
|
||
/// Benchmarks AcBinary via the IBufferWriter overload with a pre-allocated, reused ArrayBufferWriter.
|
||
/// Realistic IBufferWriter usage pattern: caller owns + reuses the writer (zero alloc per call after warmup).
|
||
/// </summary>
|
||
/// <summary>
|
||
/// Benchmarks AcBinary via the IBufferWriter overload, allocating a FRESH ArrayBufferWriter on EVERY call.
|
||
/// One-shot scenario — represents code that doesn't reuse a writer across calls.
|
||
/// Uses BufferWriterChunkSize=4096 (production-realistic, SignalR-aligned) instead of the 65535 default —
|
||
/// otherwise AcBinary would request 64KB upfront via GetSpan(), forcing the fresh ABW to allocate 64KB
|
||
/// regardless of payload size (heavy over-allocation for small payloads).
|
||
/// </summary>
|
||
internal sealed class AcBinaryFreshBufferWriterBenchmark : ISerializerBenchmark
|
||
{
|
||
private readonly TestOrder _order;
|
||
private readonly AcBinarySerializerOptions _options;
|
||
private readonly byte[] _serialized;
|
||
|
||
public string Engine => Configuration.EngineAcBinary;
|
||
public string IoMode => Configuration.IoBufWrNew;
|
||
public string DispatchMode => _options.UseGeneratedCode ? Configuration.ModeSGen : Configuration.ModeRuntime;
|
||
public string OptionsPreset { get; }
|
||
public int SerializedSize => _serialized.Length;
|
||
public long SetupSerializeAllocBytes => 0;
|
||
public long SetupDeserializeAllocBytes => 0;
|
||
public string OptionsDescription => BuildAcBinaryOptionsDescription(_options, $", BufferSize={_options.BufferWriterChunkSize}B");
|
||
|
||
public AcBinaryFreshBufferWriterBenchmark(TestOrder order, AcBinarySerializerOptions options, string optionsPreset)
|
||
{
|
||
_order = order;
|
||
// BufferWriterChunkSize comes from the caller (central source of truth in CreateSerializers
|
||
// — the binaryFastMode4KbChunk options instance). Do NOT mutate _options here; tune the chunk
|
||
// size in CreateSerializers only.
|
||
_options = options;
|
||
OptionsPreset = optionsPreset;
|
||
_serialized = AcBinarySerializer.Serialize(order, _options);
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Serialize()
|
||
{
|
||
var abw = new ArrayBufferWriter<byte>(); // FRESH every call — alloc + grow as needed
|
||
AcBinarySerializer.Serialize(_order, abw, _options);
|
||
}
|
||
|
||
// BufWr semantic: read from a ReadOnlySequence<byte> (the ROS overload), NOT from byte[] —
|
||
// single-segment array-backed sequence triggers the fast-path in AcBinaryDeserializer.cs:298 which
|
||
// redirects to the byte[] overload. This means the bench actually exercises the ROS-input path
|
||
// (the production-realistic surface for SignalR / Pipe consumers) rather than secretly testing
|
||
// byte[] Deser under the BufWr label.
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Deserialize() => AcBinaryDeserializer.Deserialize<TestOrder>(new ReadOnlySequence<byte>(_serialized), _options);
|
||
|
||
public bool VerifyRoundTrip()
|
||
{
|
||
var abw = new ArrayBufferWriter<byte>();
|
||
AcBinarySerializer.Serialize(_order, abw, _options);
|
||
var roundTripped = AcBinaryDeserializer.Deserialize<TestOrder>(new ReadOnlySequence<byte>(abw.WrittenMemory), _options);
|
||
return BenchmarkLoop.DeepEqualsViaJson(_order, roundTripped);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Benchmarks AcBinary over a long-lived NamedPipe IPC connection using the AcBinary native streaming API
|
||
/// (<see cref="AcBinarySerializer.SerializeChunked{T}(T, System.IO.Pipelines.PipeWriter, AcBinarySerializerOptions)"/>
|
||
/// + <see cref="AsyncPipeReaderInput"/> + <see cref="AsyncPipeReaderInputExtensions.DrainFromAsync"/>).
|
||
/// Mirrors what a real consumer (e.g. <c>DeserializeFromPipeReaderAsync</c>) does per message:
|
||
/// long-lived <see cref="AsyncPipeReaderInput"/> with multi-message wire framing on top of a long-lived NamedPipe.
|
||
///
|
||
/// <para><b>Architecture</b>:</para>
|
||
/// <list type="bullet">
|
||
/// <item>Constructor (NOT timed): sets up <see cref="NamedPipeServerStream"/> + <see cref="NamedPipeClientStream"/>,
|
||
/// waits for connection, creates one long-lived <see cref="System.IO.Pipelines.PipeWriter"/> /
|
||
/// <see cref="System.IO.Pipelines.PipeReader"/> pair, ONE long-lived <see cref="AsyncPipeReaderInput"/>
|
||
/// in <c>multiMessage = true</c> mode, ONE drain Task that pumps <see cref="AsyncPipeReaderInputExtensions.DrainFromAsync"/>
|
||
/// forever, and ONE deserialize Task that loops <c>AcBinaryDeserializer.Deserialize<T>(input, opts)</c>
|
||
/// producing into a <see cref="System.Threading.Channels.Channel{T}"/>.</item>
|
||
/// <item>Per-iteration <see cref="Serialize"/> (timed): sender writes via
|
||
/// <see cref="AcBinarySerializer.SerializeChunkedFramed{T}(T, System.IO.Pipelines.PipeWriter, AcBinarySerializerOptions)"/>
|
||
/// — multi-message wire (<c>[201][UINT16][data]...[202]</c>); the <c>[202]</c> end marker arms the input's
|
||
/// <c>_readPos = -1</c> sentinel, so the next message's first <c>AppendToBuffer</c> recycles the buffer to 0.
|
||
/// Then receiver awaits the channel for the deserialized result.</item>
|
||
/// <item><see cref="Deserialize"/> is a no-op (full round-trip captured in <see cref="Serialize"/>);
|
||
/// <see cref="IsRoundTripOnly"/>=true → Ser ms / SerAlloc oszlopok N/A, RT ms = full round-trip.</item>
|
||
/// </list>
|
||
///
|
||
/// <para><b>Per-iter overhead</b>: 0 new <c>Task.Run</c>, 0 new <c>AsyncPipeReaderInput</c>, 0 new <c>CancellationTokenSource</c>.
|
||
/// Pure cost = <c>SerializeChunkedFramed</c> (CPU + chunk-onkénti flush) + kernel write/read syscalls + 1 sync barrier
|
||
/// (channel) + deserialized graph alloc. The "multi-message reuse" pattern enabled by Q4T8 fix (R5K2 minimum: <c>_readPos = -1</c>
|
||
/// sentinel + <c>AppendToBuffer</c> sliding-window cycling).</para>
|
||
///
|
||
/// <para><b>Approximation note</b>: single-process loopback NamedPipe. Real cross-process / cross-machine SignalR
|
||
/// adds further transport latency (TCP, WebSocket framing) on top. The benchmark gives a lower bound.</para>
|
||
/// </summary>
|
||
internal sealed class AcBinaryNamedPipeBenchmark : ISerializerBenchmark, IDisposable
|
||
{
|
||
private readonly TestOrder _order;
|
||
private readonly AcBinarySerializerOptions _options;
|
||
private readonly byte[] _serialized; // for SerializedSize reporting only
|
||
|
||
// Long-lived pipe lifecycle (set up once in ctor — NOT timed).
|
||
private readonly NamedPipeServerStream _pipeServer;
|
||
private readonly NamedPipeClientStream _pipeClient;
|
||
private readonly PipeWriter _pipeWriter;
|
||
private readonly PipeReader _pipeReader;
|
||
|
||
// Long-lived multi-message receive infrastructure (set up once in ctor).
|
||
private readonly AsyncPipeReaderInput _input;
|
||
private readonly CancellationTokenSource _cts;
|
||
private readonly Task _drainTask; // BG: PipeReader → input.Feed (continuous pump)
|
||
private readonly Task _consumerTask; // BG: per-iter Deserialize<T>(input) loop, signaled by calling thread
|
||
private readonly ManualResetEventSlim _consumeRequest = new(false);
|
||
private readonly ManualResetEventSlim _consumeDone = new(false);
|
||
private object? _lastResult; // captured during VerifyRoundTrip; null in benchmark iters
|
||
private bool _captureResult; // toggle: when true, ConsumeLoop stores result; otherwise discards
|
||
private bool _disposed;
|
||
|
||
public string Engine => Configuration.EngineAcBinary;
|
||
public string IoMode => Configuration.IoNamedPipe;
|
||
public string DispatchMode => _options.UseGeneratedCode ? Configuration.ModeSGen : Configuration.ModeRuntime;
|
||
public string OptionsPreset { get; }
|
||
public int SerializedSize => _serialized.Length;
|
||
public long SetupSerializeAllocBytes { get; }
|
||
public long SetupDeserializeAllocBytes { get; }
|
||
public bool IsRoundTripOnly => true;
|
||
public string OptionsDescription => BuildAcBinaryOptionsDescription(_options, $", BufferSize={_options.BufferWriterChunkSize}B, Transport=NamedPipe(long-lived,multiMessage,2-task)");
|
||
|
||
public AcBinaryNamedPipeBenchmark(TestOrder order, AcBinarySerializerOptions options, string optionsPreset)
|
||
{
|
||
_order = order;
|
||
// BufferWriterChunkSize comes from the caller (central source of truth in CreateSerializers
|
||
// — the binaryFastMode4KbChunk options instance). Do NOT mutate _options here; tune the chunk
|
||
// size in CreateSerializers only.
|
||
_options = options;
|
||
OptionsPreset = optionsPreset;
|
||
|
||
_serialized = AcBinarySerializer.Serialize(order, _options);
|
||
|
||
// 1× pipe setup. Kernel-side pipe buffer (inBufferSize / outBufferSize on the server ctor — the
|
||
// client inherits the server-defined buffer size at connect time) matches BufferWriterChunkSize
|
||
// exactly: AsyncPipeWriterOutput now treats chunkSize as the chunk-on-wire total size (header +
|
||
// data), so one WriteFile(chunkSize) syscall lands in exactly one kernel-page slot — page-aligned,
|
||
// no fragmentation, no IRP reordering. _options.BufferWriterChunkSize is the single tunable source.
|
||
var pipeName = $"AcBinaryBench-{Guid.NewGuid():N}";
|
||
|
||
// === SERIALIZE-side setup measurement ===
|
||
// pipe-pair (server + client) + connect handshake + writer-side PipeWriter wrapper.
|
||
GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect();
|
||
var beforeSer = GC.GetAllocatedBytesForCurrentThread();
|
||
|
||
_pipeServer = new NamedPipeServerStream(pipeName, PipeDirection.In, 1, PipeTransmissionMode.Byte,
|
||
System.IO.Pipes.PipeOptions.Asynchronous,
|
||
inBufferSize: _options.BufferWriterChunkSize,
|
||
outBufferSize: _options.BufferWriterChunkSize);
|
||
|
||
_pipeClient = new NamedPipeClientStream(".", pipeName, PipeDirection.Out, System.IO.Pipes.PipeOptions.Asynchronous);
|
||
|
||
var serverWait = _pipeServer.WaitForConnectionAsync();
|
||
_pipeClient.Connect();
|
||
serverWait.GetAwaiter().GetResult();
|
||
|
||
_pipeWriter = PipeWriter.Create(_pipeClient);
|
||
var afterSer = GC.GetAllocatedBytesForCurrentThread();
|
||
SetupSerializeAllocBytes = afterSer - beforeSer;
|
||
|
||
// === DESERIALIZE-side setup measurement ===
|
||
// PipeReader wrapper + AsyncPipeReaderInput (ArrayPool rent + ManualResetEventSlim) + drain
|
||
// task + consumer task scaffolding. Two long-lived BG tasks total: drain pumps bytes from the
|
||
// kernel pipe into input; consumer drives Deserialize<T>(input) per iter on signal.
|
||
GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect();
|
||
var beforeDes = GC.GetAllocatedBytesForCurrentThread();
|
||
|
||
_pipeReader = PipeReader.Create(_pipeServer);
|
||
_input = new AsyncPipeReaderInput(_options.BufferWriterChunkSize * 2, multiMessage: true);
|
||
_cts = new CancellationTokenSource();
|
||
|
||
// Drain task: pumps PipeReader → input.Feed forever (or until cancel). Single Task.Run for
|
||
// the full benchmark lifetime — its overhead is amortised across all messages.
|
||
_drainTask = Task.Run(() => _input.DrainFromAsync(_pipeReader, _cts.Token));
|
||
|
||
// Consumer task: per-iter Deserialize<T>(input) loop. Started here once; signaled per-iter via
|
||
// _consumeRequest. Enables Ser↔Des streaming overlap — calling thread runs SerializeChunkedFramed
|
||
// while THIS task simultaneously runs Deserialize<T>, both consuming/producing through the
|
||
// sliding-window buffer pipelined by the drain task.
|
||
_consumerTask = Task.Run(ConsumeLoop);
|
||
|
||
var afterDes = GC.GetAllocatedBytesForCurrentThread();
|
||
SetupDeserializeAllocBytes = afterDes - beforeDes;
|
||
}
|
||
|
||
// BG consumer: parks on _consumeRequest, runs Deserialize<T>(_input) when signaled, signals _consumeDone.
|
||
// The Deserialize call internally blocks on the input's MRES whenever the drain hasn't yet fed enough
|
||
// bytes for the next read — that's where the streaming-pipeline overlap with the calling thread (Ser)
|
||
// happens.
|
||
private void ConsumeLoop()
|
||
{
|
||
var ct = _cts.Token;
|
||
try
|
||
{
|
||
while (true)
|
||
{
|
||
_consumeRequest.Wait(ct);
|
||
if (ct.IsCancellationRequested) return;
|
||
_consumeRequest.Reset();
|
||
|
||
try
|
||
{
|
||
var result = AcBinaryDeserializer.Deserialize<TestOrder>(_input, _options);
|
||
if (_captureResult) _lastResult = result;
|
||
}
|
||
catch
|
||
{
|
||
// Swallow — calling thread sees the failure via missing/incorrect _lastResult during VerifyRoundTrip,
|
||
// or the benchmark loop just continues (timing impacted). Production teardown handled in Dispose.
|
||
}
|
||
finally
|
||
{
|
||
_consumeDone.Set();
|
||
}
|
||
}
|
||
}
|
||
catch (OperationCanceledException)
|
||
{
|
||
// Cooperative cancel — Dispose path. Swallow.
|
||
}
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Serialize()
|
||
{
|
||
// 2-task streaming pipeline:
|
||
// 1. Calling thread signals consumer task to begin Deserialize<T>(input). Consumer immediately
|
||
// starts; first read blocks on input's MRES because no bytes flowed yet.
|
||
// 2. Calling thread starts SerializeChunkedFramed → chunks flow through PipeWriter → kernel pipe →
|
||
// drain task (BG) feeds input.Feed → MRES pulses → consumer's Deserialize<T> consumes bytes
|
||
// chunk by chunk. Ser↔Des truly overlap here.
|
||
// 3. Calling thread waits for _consumeDone (signaling Deserialize<T> returned).
|
||
_consumeDone.Reset();
|
||
_consumeRequest.Set();
|
||
|
||
AcBinarySerializer.SerializeChunkedFramed(_order, _pipeWriter, _options);
|
||
|
||
_consumeDone.Wait();
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Deserialize()
|
||
{
|
||
// No-op: per-iter round-trip is captured in Serialize(). See IsRoundTripOnly contract.
|
||
}
|
||
|
||
public bool VerifyRoundTrip()
|
||
{
|
||
// Use the same 2-task streaming path as the benchmark, but capture the result for graph-equality.
|
||
_captureResult = true;
|
||
try
|
||
{
|
||
Serialize();
|
||
var result = _lastResult as TestOrder;
|
||
return result != null && BenchmarkLoop.DeepEqualsViaJson(_order, result);
|
||
}
|
||
finally
|
||
{
|
||
_captureResult = false;
|
||
_lastResult = null;
|
||
}
|
||
}
|
||
|
||
public void Dispose()
|
||
{
|
||
if (_disposed) return;
|
||
_disposed = true;
|
||
|
||
// Cancel drain + consumer tasks → both exit. Pulse _consumeRequest in case consumer is parked.
|
||
try { _cts.Cancel(); } catch { /* swallow on teardown */ }
|
||
try { _consumeRequest.Set(); } catch { /* nudge in case consumer Wait is parked */ }
|
||
try { _drainTask.Wait(TimeSpan.FromSeconds(2)); } catch { /* swallow on teardown */ }
|
||
try { _consumerTask.Wait(TimeSpan.FromSeconds(2)); } catch { /* swallow on teardown */ }
|
||
|
||
// Complete writer + dispose pipe lifecycle.
|
||
try { _pipeWriter.CompleteAsync().AsTask().Wait(TimeSpan.FromSeconds(2)); } catch { /* swallow on teardown */ }
|
||
try { _pipeReader.Complete(); } catch { /* swallow on teardown */ }
|
||
try { _pipeClient.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _pipeServer.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _input.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _consumeRequest.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _consumeDone.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _cts.Dispose(); } catch { /* swallow on teardown */ }
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Same chunked-framed AsyncPipe code path as <see cref="AcBinaryNamedPipeBenchmark"/>, but the transport
|
||
/// is an in-memory <see cref="System.IO.Pipelines.Pipe"/> instead of a kernel <c>NamedPipe</c>. The Pipe's
|
||
/// <c>Writer</c>/<c>Reader</c> pair is a managed-only zero-copy slab handoff — no syscalls, no kernel
|
||
/// buffer copy, no IRP queueing.
|
||
///
|
||
/// <para><b>Why this benchmark matters</b>: by holding ALL other variables constant (same SerializeChunkedFramed,
|
||
/// same AsyncPipeReaderInput, same drain task, same consumer task, same multi-message wire format), this
|
||
/// row isolates the <b>kernel-NamedPipe transport overhead</b> from the chunked-streaming framework's pure
|
||
/// CPU cost. The expected delta vs <see cref="AcBinaryNamedPipeBenchmark"/>: per-chunk overhead drops from
|
||
/// ~25-30 µs (kernel-syscall pair + IRP) to ~1-2 µs (managed slab handoff). Multi-chunk Large-message rows
|
||
/// should converge dramatically toward <see cref="AcBinaryNamedPipeRawByteArrayBenchmark"/>.</para>
|
||
///
|
||
/// <para><b>Real-world relevance</b>: in-memory Pipe is the typical primitive used for cross-thread serializer
|
||
/// pipelines inside a single process (e.g. SignalR's Kestrel transport adapter, gRPC framework internals,
|
||
/// custom message brokers). The numbers from this row reflect that scenario, NOT the kernel-pipe loopback
|
||
/// of the NamedPipe benchmark.</para>
|
||
/// </summary>
|
||
internal sealed class AcBinaryInMemoryPipeBenchmark : ISerializerBenchmark, IDisposable
|
||
{
|
||
private readonly TestOrder _order;
|
||
private readonly AcBinarySerializerOptions _options;
|
||
private readonly byte[] _serialized; // for SerializedSize reporting only
|
||
|
||
// Long-lived in-memory pipe lifecycle (set up once in ctor — NOT timed).
|
||
private readonly Pipe _pipe;
|
||
private readonly PipeWriter _pipeWriter;
|
||
private readonly PipeReader _pipeReader;
|
||
|
||
// Long-lived multi-message receive infrastructure (set up once in ctor) — same pattern as the NamedPipe
|
||
// variant: drain pumps reader into AsyncPipeReaderInput, consumer task drives Deserialize<T>(input).
|
||
private readonly AsyncPipeReaderInput _input;
|
||
private readonly CancellationTokenSource _cts;
|
||
private readonly Task _drainTask;
|
||
private readonly Task _consumerTask;
|
||
private readonly ManualResetEventSlim _consumeRequest = new(false);
|
||
private readonly ManualResetEventSlim _consumeDone = new(false);
|
||
private object? _lastResult;
|
||
private bool _captureResult;
|
||
private bool _disposed;
|
||
|
||
public string Engine => Configuration.EngineAcBinary;
|
||
public string IoMode => Configuration.IoInMemoryPipe;
|
||
public string DispatchMode => _options.UseGeneratedCode ? Configuration.ModeSGen : Configuration.ModeRuntime;
|
||
public string OptionsPreset { get; }
|
||
public int SerializedSize => _serialized.Length;
|
||
public long SetupSerializeAllocBytes { get; }
|
||
public long SetupDeserializeAllocBytes { get; }
|
||
public bool IsRoundTripOnly => true;
|
||
public string OptionsDescription => BuildAcBinaryOptionsDescription(_options, $", BufferSize={_options.BufferWriterChunkSize}B, Transport=Pipe(in-memory,multiMessage,2-task)");
|
||
|
||
public AcBinaryInMemoryPipeBenchmark(TestOrder order, AcBinarySerializerOptions options, string optionsPreset)
|
||
{
|
||
_order = order;
|
||
_options = options;
|
||
OptionsPreset = optionsPreset;
|
||
|
||
_serialized = AcBinarySerializer.Serialize(order, _options);
|
||
|
||
// === SERIALIZE-side setup measurement ===
|
||
// In-memory Pipe construction. NO kernel-pipe pair, NO Connect handshake — just a managed Pipe object
|
||
// and a reference to its Writer side. PipeWriterImpl (parallel-flush capable, NOT StreamPipeWriter).
|
||
GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect();
|
||
var beforeSer = GC.GetAllocatedBytesForCurrentThread();
|
||
_pipe = new Pipe();
|
||
_pipeWriter = _pipe.Writer;
|
||
var afterSer = GC.GetAllocatedBytesForCurrentThread();
|
||
SetupSerializeAllocBytes = afterSer - beforeSer;
|
||
|
||
// === DESERIALIZE-side setup measurement ===
|
||
// PipeReader reference + AsyncPipeReaderInput (ArrayPool rent + ManualResetEventSlim) + drain task +
|
||
// consumer task scaffolding. Identical to the NamedPipe variant on the receive side.
|
||
GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect();
|
||
var beforeDes = GC.GetAllocatedBytesForCurrentThread();
|
||
|
||
_pipeReader = _pipe.Reader;
|
||
_input = new AsyncPipeReaderInput(_options.BufferWriterChunkSize * 2, multiMessage: true);
|
||
_cts = new CancellationTokenSource();
|
||
_drainTask = Task.Run(() => _input.DrainFromAsync(_pipeReader, _cts.Token));
|
||
_consumerTask = Task.Run(ConsumeLoop);
|
||
|
||
var afterDes = GC.GetAllocatedBytesForCurrentThread();
|
||
SetupDeserializeAllocBytes = afterDes - beforeDes;
|
||
}
|
||
|
||
// BG consumer: parks on _consumeRequest, runs Deserialize<T>(_input) when signaled, signals _consumeDone.
|
||
// Mirror of AcBinaryNamedPipeBenchmark.ConsumeLoop — same pattern, same MRES protocol.
|
||
private void ConsumeLoop()
|
||
{
|
||
var ct = _cts.Token;
|
||
try
|
||
{
|
||
while (true)
|
||
{
|
||
_consumeRequest.Wait(ct);
|
||
if (ct.IsCancellationRequested) return;
|
||
_consumeRequest.Reset();
|
||
|
||
try
|
||
{
|
||
var result = AcBinaryDeserializer.Deserialize<TestOrder>(_input, _options);
|
||
if (_captureResult) _lastResult = result;
|
||
}
|
||
catch
|
||
{
|
||
// Swallow — see ConsumeLoop in NamedPipe variant for rationale.
|
||
}
|
||
finally
|
||
{
|
||
_consumeDone.Set();
|
||
}
|
||
}
|
||
}
|
||
catch (OperationCanceledException)
|
||
{
|
||
// Cooperative cancel — Dispose path. Swallow.
|
||
}
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Serialize()
|
||
{
|
||
// Same 2-task streaming pipeline as NamedPipe variant — only the transport differs (in-memory Pipe
|
||
// instead of kernel NamedPipe). Per-chunk SerializeChunkedFramed → PipeWriter slab → drain task
|
||
// reads from PipeReader → input.Feed → consumer Deserialize<T> consumes byte-by-byte.
|
||
//
|
||
// Uses the Pipe-overload (instead of the PipeWriter-overload) so the FlushPolicy parameter is
|
||
// exposed for tuning. Toggle between FlushPolicy.PerChunk (bounded peak memory, per-chunk await
|
||
// FlushAsync) and FlushPolicy.Coalesced (fire-and-forget per chunk, pipe-coalesced flushes up to
|
||
// PauseWriterThreshold ~64 KB) to A/B-test the streaming-pipeline overhead. FlushPolicy.PerChunk
|
||
// is functionally equivalent to the PipeWriter-overload (both internally route to
|
||
// SerializeToPipeWriterCore with FlushPolicy.PerChunk).
|
||
_consumeDone.Reset();
|
||
_consumeRequest.Set();
|
||
|
||
AcBinarySerializer.SerializeChunkedFramed(_order, _pipe, _options, FlushPolicy.Coalesced);
|
||
|
||
_consumeDone.Wait();
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Deserialize()
|
||
{
|
||
// No-op: per-iter round-trip is captured in Serialize(). See IsRoundTripOnly contract.
|
||
}
|
||
|
||
public bool VerifyRoundTrip()
|
||
{
|
||
_captureResult = true;
|
||
try
|
||
{
|
||
Serialize();
|
||
var result = _lastResult as TestOrder;
|
||
return result != null && BenchmarkLoop.DeepEqualsViaJson(_order, result);
|
||
}
|
||
finally
|
||
{
|
||
_captureResult = false;
|
||
_lastResult = null;
|
||
}
|
||
}
|
||
|
||
public void Dispose()
|
||
{
|
||
if (_disposed) return;
|
||
_disposed = true;
|
||
|
||
// Cancel drain + consumer tasks → both exit. Pulse _consumeRequest in case consumer is parked.
|
||
try { _cts.Cancel(); } catch { /* swallow on teardown */ }
|
||
try { _consumeRequest.Set(); } catch { /* nudge in case consumer Wait is parked */ }
|
||
try { _drainTask.Wait(TimeSpan.FromSeconds(2)); } catch { /* swallow on teardown */ }
|
||
try { _consumerTask.Wait(TimeSpan.FromSeconds(2)); } catch { /* swallow on teardown */ }
|
||
|
||
// Complete writer + reader (in-memory Pipe — no underlying stream to dispose).
|
||
try { _pipeWriter.CompleteAsync().AsTask().Wait(TimeSpan.FromSeconds(2)); } catch { /* swallow on teardown */ }
|
||
try { _pipeReader.Complete(); } catch { /* swallow on teardown */ }
|
||
try { _input.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _consumeRequest.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _consumeDone.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _cts.Dispose(); } catch { /* swallow on teardown */ }
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Raw <c>byte[]</c> over a long-lived NamedPipe — NO chunk-framing, NO <c>AsyncPipeReaderInput</c>,
|
||
/// NO sliding-window buffer. Calling thread serialises + writes; a long-lived background consumer task
|
||
/// reads and deserialises. Two-task pattern enables Ser↔Read overlap (kernel-pipe-pipelined) AND
|
||
/// avoids the kernel-buffer-full deadlock when <c>bytes.Length > inBufferSize</c>.
|
||
///
|
||
/// Side-by-side with <see cref="AcBinaryNamedPipeBenchmark"/> (chunked-framed AsyncPipe stack) this
|
||
/// isolates two cost components on the SAME kernel-pipe transport with the SAME <c>inBufferSize</c>:
|
||
/// <list type="bullet">
|
||
/// <item><description><b>This row vs <see cref="AcBinaryBenchmark"/> (Byte[])</b> — pure kernel-NamedPipe
|
||
/// overhead (WriteFile / ReadFile syscalls + IRP queueing + buffer-copy + thread-handoff).</description></item>
|
||
/// <item><description><b>This row vs <see cref="AcBinaryNamedPipeBenchmark"/> (chunked-framed)</b> — pure
|
||
/// AsyncPipe-framework overhead (chunk header writes + sliding-window <c>Feed</c> + MRES wait inside
|
||
/// <c>AsyncPipeReaderInput</c>) AND the streaming-pipeline benefit of intra-message Ser↔Des overlap (which
|
||
/// raw lacks — raw can only Ser↔Read overlap, with Des sequential after Read completes).</description></item>
|
||
/// </list>
|
||
/// Per-iter <c>byte[]</c> allocation from <c>AcBinarySerializer.Serialize</c> is part of the cost (matches
|
||
/// <see cref="AcBinaryBenchmark"/>'s API contract); the receive-side scratch buffer is also allocated per-iter
|
||
/// on the consumer-task (counted via <c>GC.GetTotalAllocatedBytes</c> in <c>BenchmarkLoop.MeasureAllocationTotal</c>).
|
||
/// </summary>
|
||
internal sealed class AcBinaryNamedPipeRawByteArrayBenchmark : ISerializerBenchmark, IDisposable
|
||
{
|
||
private readonly TestOrder _order;
|
||
private readonly AcBinarySerializerOptions _options;
|
||
private readonly byte[] _serialized; // for SerializedSize reporting + receive-side size known upfront
|
||
|
||
// Long-lived pipe lifecycle (set up once in ctor — NOT timed).
|
||
private readonly NamedPipeServerStream _pipeServer;
|
||
private readonly NamedPipeClientStream _pipeClient;
|
||
|
||
// Long-lived consumer-task infrastructure (Read + Deserialize on BG thread, signaled per iter).
|
||
// Mirrors AcBinaryNamedPipeBenchmark's drain+consumer pair, but raw byte[] doesn't have an
|
||
// intermediate sliding-window buffer, so Read+Des happen sequentially in one BG task: Read N bytes
|
||
// → Deserialize<T>(bytes) → signal done. Calling thread's Ser↔Write overlaps with this BG Read+Des
|
||
// through kernel-pipe pipelining.
|
||
private readonly CancellationTokenSource _cts;
|
||
private readonly Task _consumerTask;
|
||
private readonly ManualResetEventSlim _consumeRequest = new(false);
|
||
private readonly ManualResetEventSlim _consumeDone = new(false);
|
||
private int _pendingReadSize;
|
||
private object? _lastResult; // captured during VerifyRoundTrip; null in benchmark iters
|
||
private bool _captureResult; // toggle: when true, ConsumerLoop stores result; otherwise discards
|
||
private bool _disposed;
|
||
|
||
public string Engine => Configuration.EngineAcBinary;
|
||
public string IoMode => Configuration.IoNamedPipeRaw;
|
||
public string DispatchMode => _options.UseGeneratedCode ? Configuration.ModeSGen : Configuration.ModeRuntime;
|
||
public string OptionsPreset { get; }
|
||
public int SerializedSize => _serialized.Length;
|
||
public long SetupSerializeAllocBytes { get; }
|
||
public long SetupDeserializeAllocBytes { get; }
|
||
public bool IsRoundTripOnly => true;
|
||
public string OptionsDescription => BuildAcBinaryOptionsDescription(_options, $", BufferSize={_options.BufferWriterChunkSize}B, Transport=NamedPipe(raw,2-task)");
|
||
|
||
public AcBinaryNamedPipeRawByteArrayBenchmark(TestOrder order, AcBinarySerializerOptions options, string optionsPreset)
|
||
{
|
||
_order = order;
|
||
// BufferWriterChunkSize comes from the caller — same source-of-truth contract as
|
||
// AcBinaryNamedPipeBenchmark. The kernel pipe-buffer (inBufferSize) is wired to it so the
|
||
// raw-vs-chunked comparison runs on identical transport conditions.
|
||
_options = options;
|
||
OptionsPreset = optionsPreset;
|
||
|
||
_serialized = AcBinarySerializer.Serialize(order, _options);
|
||
|
||
var pipeName = $"AcBinaryBenchRaw-{Guid.NewGuid():N}";
|
||
|
||
// === SERIALIZE-side setup measurement ===
|
||
// pipe-pair (server + client) + connect handshake. NO PipeWriter wrapper — we use the raw
|
||
// Stream.Write API directly, matching the no-framing semantics of this benchmark.
|
||
GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect();
|
||
var beforeSer = GC.GetAllocatedBytesForCurrentThread();
|
||
_pipeServer = new NamedPipeServerStream(pipeName, PipeDirection.In, 1, PipeTransmissionMode.Byte,
|
||
System.IO.Pipes.PipeOptions.Asynchronous,
|
||
inBufferSize: _options.BufferWriterChunkSize,
|
||
outBufferSize: _options.BufferWriterChunkSize);
|
||
_pipeClient = new NamedPipeClientStream(".", pipeName, PipeDirection.Out, System.IO.Pipes.PipeOptions.Asynchronous);
|
||
|
||
var serverWait = _pipeServer.WaitForConnectionAsync();
|
||
_pipeClient.Connect();
|
||
serverWait.GetAwaiter().GetResult();
|
||
var afterSer = GC.GetAllocatedBytesForCurrentThread();
|
||
SetupSerializeAllocBytes = afterSer - beforeSer;
|
||
|
||
// === DESERIALIZE-side setup measurement ===
|
||
// 1× background consumer-task + 2× MRES (request / done) + cancellation source. Matches the
|
||
// chunked benchmark's deserialize-side setup cost shape.
|
||
GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect();
|
||
var beforeDes = GC.GetAllocatedBytesForCurrentThread();
|
||
_cts = new CancellationTokenSource();
|
||
_consumerTask = Task.Run(ConsumerLoop);
|
||
var afterDes = GC.GetAllocatedBytesForCurrentThread();
|
||
SetupDeserializeAllocBytes = afterDes - beforeDes;
|
||
}
|
||
|
||
// BG consumer: parks on _consumeRequest, reads N bytes from pipe, runs Deserialize<T>(bytes), signals
|
||
// _consumeDone. The Read overlaps with the calling thread's Write through the kernel-pipe; Des happens
|
||
// sequentially after Read completes (raw byte[] needs the full message to deserialize).
|
||
private void ConsumerLoop()
|
||
{
|
||
var ct = _cts.Token;
|
||
try
|
||
{
|
||
while (true)
|
||
{
|
||
_consumeRequest.Wait(ct);
|
||
if (ct.IsCancellationRequested) return;
|
||
_consumeRequest.Reset();
|
||
|
||
try
|
||
{
|
||
var size = _pendingReadSize;
|
||
var bytes = new byte[size]; // per-iter alloc — counted by BenchmarkLoop.MeasureAllocationTotal
|
||
var totalRead = 0;
|
||
while (totalRead < size)
|
||
{
|
||
var n = _pipeServer.Read(bytes, totalRead, size - totalRead);
|
||
if (n == 0) break; // pipe closed / EOF — partial read swallowed
|
||
totalRead += n;
|
||
}
|
||
var result = AcBinaryDeserializer.Deserialize<TestOrder>(bytes, _options);
|
||
if (_captureResult) _lastResult = result;
|
||
}
|
||
catch
|
||
{
|
||
// Swallow — calling thread sees the failure via missing/incorrect _lastResult during VerifyRoundTrip,
|
||
// or the benchmark loop just continues (timing impacted). Production teardown handled in Dispose.
|
||
}
|
||
finally
|
||
{
|
||
_consumeDone.Set();
|
||
}
|
||
}
|
||
}
|
||
catch (OperationCanceledException)
|
||
{
|
||
// Cooperative cancel — Dispose path. Swallow.
|
||
}
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Serialize()
|
||
{
|
||
// 2-task streaming pipeline:
|
||
// 1. Calling thread serialises → fresh byte[] (per-iter alloc, matches AcBinaryBenchmark contract).
|
||
// 2. Calling thread hands off expected size + signals consumer task. Consumer task starts Read loop
|
||
// on the pipe (BG thread). Calling thread proceeds to Write the bytes — Read and Write overlap
|
||
// through the kernel-pipe (kernel buffer fills, drains as consumer reads, sender resumes).
|
||
// 3. Calling thread waits for _consumeDone (consumer task finished Read+Des).
|
||
//
|
||
// Note: unlike chunked, raw byte[] cannot do Ser↔Des overlap (Des needs the full bytes before
|
||
// starting). Only Write↔Read overlaps here. The Des sequence on BG thread is: Read full bytes →
|
||
// Des the full graph → signal done. This is the architectural difference between raw and chunked.
|
||
var bytes = AcBinarySerializer.Serialize(_order, _options);
|
||
|
||
_pendingReadSize = bytes.Length;
|
||
_consumeDone.Reset();
|
||
_consumeRequest.Set();
|
||
|
||
_pipeClient.Write(bytes, 0, bytes.Length);
|
||
_pipeClient.Flush();
|
||
|
||
_consumeDone.Wait();
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Deserialize()
|
||
{
|
||
// No-op: per-iter round-trip is captured in Serialize(). See IsRoundTripOnly contract.
|
||
}
|
||
|
||
public bool VerifyRoundTrip()
|
||
{
|
||
// Use the same 2-task streaming path as the benchmark, but capture the result for graph-equality.
|
||
_captureResult = true;
|
||
try
|
||
{
|
||
Serialize();
|
||
var result = _lastResult as TestOrder;
|
||
return result != null && BenchmarkLoop.DeepEqualsViaJson(_order, result);
|
||
}
|
||
finally
|
||
{
|
||
_captureResult = false;
|
||
_lastResult = null;
|
||
}
|
||
}
|
||
|
||
public void Dispose()
|
||
{
|
||
if (_disposed) return;
|
||
_disposed = true;
|
||
|
||
// Cancel the consumer task → ConsumerLoop exits its Wait via OperationCanceledException.
|
||
try { _cts.Cancel(); } catch { /* swallow on teardown */ }
|
||
try { _consumeRequest.Set(); } catch { /* nudge in case consumer Wait is parked */ }
|
||
try { _consumerTask.Wait(TimeSpan.FromSeconds(2)); } catch { /* swallow on teardown */ }
|
||
|
||
// Symmetric teardown — close client first (writer side), then server.
|
||
try { _pipeClient.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _pipeServer.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _consumeRequest.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _consumeDone.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _cts.Dispose(); } catch { /* swallow on teardown */ }
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Raw <c>byte[]</c> over an in-memory cross-thread handoff — NO transport (no NamedPipe, no Pipe, no
|
||
/// Channel<see langword="<T>"/>). Calling thread serialises into a fresh <c>byte[]</c>, hands it to a
|
||
/// background consumer task via a single byte[] slot + MRES pair; the consumer deserialises and signals done.
|
||
///
|
||
/// <para><b>Why this benchmark matters</b>: completes the 2x2 transport × wire-format matrix:</para>
|
||
/// <list type="bullet">
|
||
/// <item><description><b>NamedPipe + Chunked</b> = <see cref="AcBinaryNamedPipeBenchmark"/></description></item>
|
||
/// <item><description><b>NamedPipe + Raw</b> = <see cref="AcBinaryNamedPipeRawByteArrayBenchmark"/></description></item>
|
||
/// <item><description><b>In-memory Pipe + Chunked</b> = <see cref="AcBinaryInMemoryPipeBenchmark"/></description></item>
|
||
/// <item><description><b>In-memory + Raw</b> = THIS row — apples-to-apples baseline for the in-memory chunked row</description></item>
|
||
/// </list>
|
||
/// <para>Side-by-side with <see cref="AcBinaryInMemoryPipeBenchmark"/> this isolates the chunked-streaming
|
||
/// framework's pure CPU cost, with the same in-memory transport (zero kernel involvement) on both sides.
|
||
/// Side-by-side with <see cref="AcBinaryNamedPipeRawByteArrayBenchmark"/> this isolates the kernel-NamedPipe
|
||
/// overhead on the raw-byte[] side.</para>
|
||
/// </summary>
|
||
internal sealed class AcBinaryInMemoryRawByteArrayBenchmark : ISerializerBenchmark, IDisposable
|
||
{
|
||
private readonly TestOrder _order;
|
||
private readonly AcBinarySerializerOptions _options;
|
||
private readonly byte[] _serialized; // for SerializedSize reporting only
|
||
|
||
// Long-lived consumer-task infrastructure (Deserialize on BG thread, signaled per iter).
|
||
// No transport — just a byte[] slot for handoff between calling thread and consumer task.
|
||
private readonly CancellationTokenSource _cts;
|
||
private readonly Task _consumerTask;
|
||
private readonly ManualResetEventSlim _consumeRequest = new(false);
|
||
private readonly ManualResetEventSlim _consumeDone = new(false);
|
||
private byte[]? _pendingBytes; // calling thread → consumer task handoff slot
|
||
private object? _lastResult; // captured during VerifyRoundTrip; null in benchmark iters
|
||
private bool _captureResult;
|
||
private bool _disposed;
|
||
|
||
public string Engine => Configuration.EngineAcBinary;
|
||
public string IoMode => Configuration.IoInMemoryRaw;
|
||
public string DispatchMode => _options.UseGeneratedCode ? Configuration.ModeSGen : Configuration.ModeRuntime;
|
||
public string OptionsPreset { get; }
|
||
public int SerializedSize => _serialized.Length;
|
||
public long SetupSerializeAllocBytes { get; }
|
||
public long SetupDeserializeAllocBytes { get; }
|
||
public bool IsRoundTripOnly => true;
|
||
public string OptionsDescription => BuildAcBinaryOptionsDescription(_options, $", BufferSize={_options.BufferWriterChunkSize}B, Transport=in-memory(raw,2-task)");
|
||
|
||
public AcBinaryInMemoryRawByteArrayBenchmark(TestOrder order, AcBinarySerializerOptions options, string optionsPreset)
|
||
{
|
||
_order = order;
|
||
_options = options;
|
||
OptionsPreset = optionsPreset;
|
||
|
||
_serialized = AcBinarySerializer.Serialize(order, _options);
|
||
|
||
// === SERIALIZE-side setup measurement ===
|
||
// Nothing to set up — calling thread allocates byte[] per iter via AcBinarySerializer.Serialize.
|
||
SetupSerializeAllocBytes = 0;
|
||
|
||
// === DESERIALIZE-side setup measurement ===
|
||
// 1× background consumer-task + 2× MRES (request / done) + cancellation source.
|
||
GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect();
|
||
var beforeDes = GC.GetAllocatedBytesForCurrentThread();
|
||
_cts = new CancellationTokenSource();
|
||
_consumerTask = Task.Run(ConsumerLoop);
|
||
var afterDes = GC.GetAllocatedBytesForCurrentThread();
|
||
SetupDeserializeAllocBytes = afterDes - beforeDes;
|
||
}
|
||
|
||
// BG consumer: parks on _consumeRequest, picks up the byte[] from _pendingBytes, runs Deserialize<T>(bytes),
|
||
// signals _consumeDone. Direct in-process handoff — no transport syscall, no buffer copy beyond the byte[]
|
||
// reference itself (zero-copy by reference).
|
||
private void ConsumerLoop()
|
||
{
|
||
var ct = _cts.Token;
|
||
try
|
||
{
|
||
while (true)
|
||
{
|
||
_consumeRequest.Wait(ct);
|
||
if (ct.IsCancellationRequested) return;
|
||
_consumeRequest.Reset();
|
||
|
||
try
|
||
{
|
||
var bytes = _pendingBytes;
|
||
if (bytes != null)
|
||
{
|
||
var result = AcBinaryDeserializer.Deserialize<TestOrder>(bytes, _options);
|
||
if (_captureResult) _lastResult = result;
|
||
}
|
||
}
|
||
catch
|
||
{
|
||
// Swallow — see ConsumerLoop in NamedPipe variant for rationale.
|
||
}
|
||
finally
|
||
{
|
||
_consumeDone.Set();
|
||
}
|
||
}
|
||
}
|
||
catch (OperationCanceledException)
|
||
{
|
||
// Cooperative cancel — Dispose path. Swallow.
|
||
}
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Serialize()
|
||
{
|
||
// 2-task in-memory pipeline:
|
||
// 1. Calling thread serialises → fresh byte[] (per-iter alloc, matches AcBinaryBenchmark contract).
|
||
// 2. Calling thread parks the byte[] into _pendingBytes and signals consumer task. Consumer task
|
||
// picks up the reference (zero-copy) and runs Deserialize<T>(bytes).
|
||
// 3. Calling thread waits for _consumeDone (consumer task finished Des).
|
||
//
|
||
// Same architectural limitation as the NamedPipe-raw variant: Des cannot start until full bytes
|
||
// are available. Only the per-iter Ser↔Des thread-handoff overlaps slightly (calling thread starts
|
||
// signalling and waiting while consumer thread takes the byte[]).
|
||
var bytes = AcBinarySerializer.Serialize(_order, _options);
|
||
|
||
_pendingBytes = bytes;
|
||
_consumeDone.Reset();
|
||
_consumeRequest.Set();
|
||
|
||
_consumeDone.Wait();
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Deserialize()
|
||
{
|
||
// No-op: per-iter round-trip is captured in Serialize(). See IsRoundTripOnly contract.
|
||
}
|
||
|
||
public bool VerifyRoundTrip()
|
||
{
|
||
_captureResult = true;
|
||
try
|
||
{
|
||
Serialize();
|
||
var result = _lastResult as TestOrder;
|
||
return result != null && BenchmarkLoop.DeepEqualsViaJson(_order, result);
|
||
}
|
||
finally
|
||
{
|
||
_captureResult = false;
|
||
_lastResult = null;
|
||
}
|
||
}
|
||
|
||
public void Dispose()
|
||
{
|
||
if (_disposed) return;
|
||
_disposed = true;
|
||
|
||
try { _cts.Cancel(); } catch { /* swallow on teardown */ }
|
||
try { _consumeRequest.Set(); } catch { /* nudge in case consumer Wait is parked */ }
|
||
try { _consumerTask.Wait(TimeSpan.FromSeconds(2)); } catch { /* swallow on teardown */ }
|
||
|
||
try { _consumeRequest.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _consumeDone.Dispose(); } catch { /* swallow on teardown */ }
|
||
try { _cts.Dispose(); } catch { /* swallow on teardown */ }
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Benchmarks MemoryPack via the IBufferWriter overload, allocating a FRESH ArrayBufferWriter on EVERY call.
|
||
/// Apples-to-apples counterpart to AcBinaryFreshBufferWriterBenchmark.
|
||
/// </summary>
|
||
internal sealed class MemoryPackFreshBufferWriterBenchmark : ISerializerBenchmark
|
||
{
|
||
private readonly TestOrder _order;
|
||
private readonly MemoryPackSerializerOptions _options;
|
||
private readonly byte[] _serialized;
|
||
|
||
public string Engine => Configuration.EngineMemoryPack;
|
||
public string IoMode => Configuration.IoBufWrNew;
|
||
public string DispatchMode => Configuration.ModeSGen; // MemoryPack always uses [MemoryPackable] source-generated formatters
|
||
public string OptionsPreset { get; }
|
||
public int SerializedSize => _serialized.Length;
|
||
public long SetupSerializeAllocBytes => 0;
|
||
public long SetupDeserializeAllocBytes => 0;
|
||
public string? OptionsDescription => $"StringEncoding={_options.StringEncoding}";
|
||
|
||
public MemoryPackFreshBufferWriterBenchmark(TestOrder order, string optionsPreset)
|
||
{
|
||
_order = order;
|
||
OptionsPreset = optionsPreset;
|
||
_options = GetMemPackOptions();
|
||
_serialized = MemoryPackSerializer.Serialize(order, _options);
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Serialize()
|
||
{
|
||
var abw = new ArrayBufferWriter<byte>();
|
||
MemoryPackSerializer.Serialize(abw, _order, _options);
|
||
}
|
||
|
||
// BufWr semantic: read from a ReadOnlySequence<byte> overload (apples-to-apples with AcBinary's
|
||
// BufWr Deser path). MemoryPack's ROS overload also single-segment-fast-paths internally.
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Deserialize() => MemoryPackSerializer.Deserialize<TestOrder>(new ReadOnlySequence<byte>(_serialized), _options);
|
||
|
||
public bool VerifyRoundTrip()
|
||
{
|
||
var abw = new ArrayBufferWriter<byte>();
|
||
MemoryPackSerializer.Serialize(abw, _order, _options);
|
||
var roundTripped = MemoryPackSerializer.Deserialize<TestOrder>(new ReadOnlySequence<byte>(abw.WrittenMemory), _options);
|
||
return BenchmarkLoop.DeepEqualsViaJson(_order, roundTripped);
|
||
}
|
||
}
|
||
|
||
internal sealed class AcBinaryBufferWriterBenchmark : ISerializerBenchmark
|
||
{
|
||
private readonly TestOrder _order;
|
||
private readonly AcBinarySerializerOptions _options;
|
||
private readonly byte[] _serialized;
|
||
private readonly ArrayBufferWriter<byte> _bufferWriter;
|
||
|
||
public string Engine => Configuration.EngineAcBinary;
|
||
public string IoMode => Configuration.IoBufWrReuse;
|
||
public string DispatchMode => _options.UseGeneratedCode ? Configuration.ModeSGen : Configuration.ModeRuntime;
|
||
public string OptionsPreset { get; }
|
||
public int SerializedSize => _serialized.Length;
|
||
public long SetupSerializeAllocBytes { get; }
|
||
public long SetupDeserializeAllocBytes => 0;
|
||
public string OptionsDescription => BuildAcBinaryOptionsDescription(_options);
|
||
|
||
public AcBinaryBufferWriterBenchmark(TestOrder order, AcBinarySerializerOptions options, string optionsPreset)
|
||
{
|
||
_order = order;
|
||
_options = options;
|
||
OptionsPreset = optionsPreset;
|
||
_serialized = AcBinarySerializer.Serialize(order, options);
|
||
|
||
// Measure ONLY the BufferWriter infrastructure setup on the serialize side (excluding the
|
||
// helper Serialize above). Deserialize side reads directly from `_serialized` byte[] — no
|
||
// dedicated setup allocation, hence SetupDeserializeAllocBytes = 0.
|
||
GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect();
|
||
var beforeSetup = GC.GetAllocatedBytesForCurrentThread();
|
||
_bufferWriter = new ArrayBufferWriter<byte>(_serialized.Length * 2);
|
||
var afterSetup = GC.GetAllocatedBytesForCurrentThread();
|
||
SetupSerializeAllocBytes = afterSetup - beforeSetup;
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Serialize()
|
||
{
|
||
_bufferWriter.ResetWrittenCount(); // reuse — no alloc, no zeroing
|
||
AcBinarySerializer.Serialize(_order, _bufferWriter, _options);
|
||
}
|
||
|
||
// BufWr semantic: read from a ReadOnlySequence<byte> (the ROS overload), NOT from byte[] —
|
||
// single-segment array-backed sequence triggers the fast-path in AcBinaryDeserializer.cs:298 which
|
||
// redirects to the byte[] overload. This means the bench actually exercises the ROS-input path
|
||
// (the production-realistic surface for SignalR / Pipe consumers) rather than secretly testing
|
||
// byte[] Deser under the BufWr label.
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Deserialize() => AcBinaryDeserializer.Deserialize<TestOrder>(new ReadOnlySequence<byte>(_serialized), _options);
|
||
|
||
public bool VerifyRoundTrip()
|
||
{
|
||
_bufferWriter.ResetWrittenCount();
|
||
AcBinarySerializer.Serialize(_order, _bufferWriter, _options);
|
||
|
||
var roundTripped = AcBinaryDeserializer.Deserialize<TestOrder>(new ReadOnlySequence<byte>(_bufferWriter.WrittenMemory), _options);
|
||
return BenchmarkLoop.DeepEqualsViaJson(_order, roundTripped);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Benchmarks MemoryPack via the IBufferWriter overload with a pre-allocated, reused ArrayBufferWriter.
|
||
/// Apples-to-apples counterpart to AcBinaryBufferWriterBenchmark — MemoryPack's IBufferWriter is the path it's designed for.
|
||
/// </summary>
|
||
internal sealed class MemoryPackBufferWriterBenchmark : ISerializerBenchmark
|
||
{
|
||
private readonly TestOrder _order;
|
||
private readonly MemoryPackSerializerOptions _options;
|
||
private readonly byte[] _serialized;
|
||
private readonly ArrayBufferWriter<byte> _bufferWriter;
|
||
|
||
public string Engine => Configuration.EngineMemoryPack;
|
||
public string IoMode => Configuration.IoBufWrReuse;
|
||
public string DispatchMode => Configuration.ModeSGen; // MemoryPack always uses [MemoryPackable] source-generated formatters
|
||
public string OptionsPreset { get; }
|
||
public int SerializedSize => _serialized.Length;
|
||
public long SetupSerializeAllocBytes { get; }
|
||
public long SetupDeserializeAllocBytes => 0;
|
||
public string? OptionsDescription => $"StringEncoding={_options.StringEncoding}";
|
||
|
||
public MemoryPackBufferWriterBenchmark(TestOrder order, string optionsPreset)
|
||
{
|
||
_order = order;
|
||
OptionsPreset = optionsPreset;
|
||
_options = GetMemPackOptions();
|
||
_serialized = MemoryPackSerializer.Serialize(order, _options);
|
||
|
||
// Serialize-side setup only — see AcBinaryBufferWriterBenchmark for the full rationale.
|
||
GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect();
|
||
var beforeSetup = GC.GetAllocatedBytesForCurrentThread();
|
||
_bufferWriter = new ArrayBufferWriter<byte>(_serialized.Length * 2);
|
||
var afterSetup = GC.GetAllocatedBytesForCurrentThread();
|
||
SetupSerializeAllocBytes = afterSetup - beforeSetup;
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Serialize()
|
||
{
|
||
_bufferWriter.ResetWrittenCount();
|
||
MemoryPackSerializer.Serialize(_bufferWriter, _order, _options);
|
||
}
|
||
|
||
// BufWr semantic: read from a ReadOnlySequence<byte> overload (apples-to-apples with AcBinary's
|
||
// BufWr Deser path). MemoryPack's ROS overload also single-segment-fast-paths internally.
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Deserialize() => MemoryPackSerializer.Deserialize<TestOrder>(new ReadOnlySequence<byte>(_serialized), _options);
|
||
|
||
public bool VerifyRoundTrip()
|
||
{
|
||
_bufferWriter.ResetWrittenCount();
|
||
MemoryPackSerializer.Serialize(_bufferWriter, _order, _options);
|
||
var roundTripped = MemoryPackSerializer.Deserialize<TestOrder>(new ReadOnlySequence<byte>(_bufferWriter.WrittenMemory), _options);
|
||
return BenchmarkLoop.DeepEqualsViaJson(_order, roundTripped);
|
||
}
|
||
}
|
||
|
||
internal sealed class SystemTextJsonBenchmark : ISerializerBenchmark
|
||
{
|
||
private readonly TestOrder _order;
|
||
private readonly JsonSerializerOptions _options;
|
||
private readonly string _serialized;
|
||
private readonly byte[] _serializedUtf8;
|
||
|
||
public string Engine => Configuration.EngineSystemTextJson;
|
||
public string IoMode => Configuration.IoString;
|
||
public string DispatchMode => Configuration.ModeRuntime; // System.Text.Json default uses reflection-based metadata (no source generator opt-in here)
|
||
public string OptionsPreset { get; }
|
||
public int SerializedSize => _serializedUtf8.Length;
|
||
public long SetupSerializeAllocBytes => 0;
|
||
public long SetupDeserializeAllocBytes => 0;
|
||
|
||
public SystemTextJsonBenchmark(TestOrder order, string optionsPreset)
|
||
{
|
||
_order = order;
|
||
OptionsPreset = optionsPreset;
|
||
_options = new JsonSerializerOptions
|
||
{
|
||
WriteIndented = false,
|
||
DefaultIgnoreCondition = System.Text.Json.Serialization.JsonIgnoreCondition.WhenWritingNull,
|
||
ReferenceHandler = System.Text.Json.Serialization.ReferenceHandler.IgnoreCycles
|
||
};
|
||
_serialized = JsonSerializer.Serialize(order, _options);
|
||
_serializedUtf8 = Configuration.Utf8NoBom.GetBytes(_serialized);
|
||
}
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Serialize() => JsonSerializer.Serialize(_order, _options);
|
||
|
||
[MethodImpl(MethodImplOptions.NoInlining)]
|
||
public void Deserialize() => JsonSerializer.Deserialize<TestOrder>(_serialized, _options);
|
||
|
||
public bool VerifyRoundTrip()
|
||
{
|
||
var json = JsonSerializer.Serialize(_order, _options);
|
||
var roundTripped = JsonSerializer.Deserialize<TestOrder>(json, _options);
|
||
return BenchmarkLoop.DeepEqualsViaJson(_order, roundTripped);
|
||
}
|
||
}
|
||
|
||
#endregion
|
||
|
||
// Results / output formatters → Output.cs
|
||
// BenchmarkResult DTO → BenchmarkResult.cs
|
||
|
||
}
|