AyCode.Core/AyCode.Core.Tests/Serialization/QuickBenchmark.cs

679 lines
27 KiB
C#

using System.Diagnostics;
using AyCode.Core.Extensions;
using AyCode.Core.Serializers.Binaries;
using AyCode.Core.Serializers.Jsons;
using AyCode.Core.Tests.TestModels;
using MessagePack;
using MessagePack.Resolvers;
namespace AyCode.Core.Tests.serialization;
[TestClass]
public class QuickBenchmark
{
private static readonly MessagePackSerializerOptions MsgPackOptions =
ContractlessStandardResolver.Options.WithCompression(MessagePackCompression.None);
private const int DefaultIterations = 1000;
#region Helper Methods
private static void PrintBanner(string title)
{
Console.WriteLine();
Console.WriteLine(new string('=', 78));
Console.WriteLine(title);
Console.WriteLine(new string('=', 78));
}
private static void PrintTableHeader(string title)
{
PrintBanner(title);
Console.WriteLine($"{"Metric",-25} | {"AcBinary",14} | {"MessagePack",14} | {"Ratio",14}");
Console.WriteLine(new string('-', 78));
}
private static void PrintTableRow(string metric, double acBinary, double msgPack, string unit = "ms")
{
if (msgPack > 0)
{
var ratio = acBinary / msgPack;
var ratioStr = ratio < 1 ? $"{ratio:F2}x faster" : $"{ratio:F2}x slower";
Console.WriteLine($"{metric,-25} | {acBinary,10:F2} {unit,-2} | {msgPack,10:F2} {unit,-2} | {ratioStr,14}");
}
else
{
Console.WriteLine($"{metric,-25} | {acBinary,10:F2} {unit,-2} | {"N/A",12} | {"(unique)",14}");
}
}
private static void PrintTableRowSize(string metric, int acBinary, int msgPack)
{
var ratio = msgPack == 0 ? 0 : 100.0 * acBinary / msgPack;
Console.WriteLine($"{metric,-25} | {acBinary,14:N0} | {msgPack,14:N0} | {ratio,12:F1}%");
}
private static void PrintTableFooter()
{
Console.WriteLine(new string('-', 78));
}
private static void PrintSummary(int acBinarySize, int msgPackSize, double acSerMs, double msgSerMs, double acDeserMs, double msgDeserMs)
{
PrintBanner("SUMMARY");
var sizeAdvantage = msgPackSize == 0 ? 0 : 100.0 - (100.0 * acBinarySize / msgPackSize);
if (sizeAdvantage > 0)
Console.WriteLine($"[OK] Size: AcBinary is {sizeAdvantage:F1}% smaller ({msgPackSize - acBinarySize:N0} bytes saved)");
else
Console.WriteLine($"[WARN] Size: AcBinary is {-sizeAdvantage:F1}% larger");
var serRatio = msgSerMs == 0 ? 0 : acSerMs / msgSerMs;
if (serRatio > 0 && serRatio < 1)
Console.WriteLine($"[OK] Serialize: AcBinary is {1 / serRatio:F2}x faster");
else if (serRatio > 0)
Console.WriteLine($"[WARN] Serialize: AcBinary is {serRatio:F2}x slower");
var deserRatio = msgDeserMs == 0 ? 0 : acDeserMs / msgDeserMs;
if (deserRatio > 0 && deserRatio < 1)
Console.WriteLine($"[OK] Deserialize: AcBinary is {1 / deserRatio:F2}x faster");
else if (deserRatio > 0)
Console.WriteLine($"[WARN] Deserialize: AcBinary is {deserRatio:F2}x slower");
}
private static TestOrder CreatePopulateTarget(TestOrder source)
{
var target = new TestOrder { Id = source.Id };
foreach (var item in source.Items)
{
target.Items.Add(new TestOrderItem { Id = item.Id });
}
return target;
}
#endregion
#region Basic Benchmarks
[TestMethod]
public void RunQuickBenchmark()
{
// Warmup
var order = TestDataFactory.CreateBenchmarkOrder(2, 2, 2, 3);
for (int i = 0; i < 10; i++)
{
var bytes = order.ToBinary();
var result = bytes.BinaryTo<TestOrder>();
}
// Measure serialize
const int iterations = DefaultIterations;
var sw = Stopwatch.StartNew();
byte[] serialized = null!;
for (int i = 0; i < iterations; i++)
{
serialized = order.ToBinary();
}
sw.Stop();
var serializeMs = sw.Elapsed.TotalMilliseconds;
// Measure deserialize
sw.Restart();
TestOrder? deserialized = null;
for (int i = 0; i < iterations; i++)
{
deserialized = serialized.BinaryTo<TestOrder>();
}
sw.Stop();
var deserializeMs = sw.Elapsed.TotalMilliseconds;
// JSON comparison
var jsonOptions = AcJsonSerializerOptions.WithoutReferenceHandling();
sw.Restart();
string json = null!;
for (int i = 0; i < iterations; i++)
{
json = order.ToJson(jsonOptions);
}
sw.Stop();
var jsonSerializeMs = sw.Elapsed.TotalMilliseconds;
sw.Restart();
for (int i = 0; i < iterations; i++)
{
var _ = json.JsonTo<TestOrder>(jsonOptions);
}
sw.Stop();
var jsonDeserializeMs = sw.Elapsed.TotalMilliseconds;
Console.WriteLine($"=== Quick Benchmark ({iterations} iterations) ===");
Console.WriteLine($"Binary size: {serialized.Length} bytes");
Console.WriteLine($"JSON size: {json.Length} chars ({System.Text.Encoding.UTF8.GetByteCount(json)} bytes)");
Console.WriteLine();
Console.WriteLine($"Binary Serialize: {serializeMs:F2}ms ({serializeMs / iterations:F4}ms/op)");
Console.WriteLine($"Binary Deserialize: {deserializeMs:F2}ms ({deserializeMs / iterations:F4}ms/op)");
Console.WriteLine($"JSON Serialize: {jsonSerializeMs:F2}ms ({jsonSerializeMs / iterations:F4}ms/op)");
Console.WriteLine($"JSON Deserialize: {jsonDeserializeMs:F2}ms ({jsonDeserializeMs / iterations:F4}ms/op)");
Console.WriteLine();
Console.WriteLine($"Binary vs JSON Serialize: {serializeMs / jsonSerializeMs:F2}x");
Console.WriteLine($"Binary vs JSON Deserialize: {deserializeMs / jsonDeserializeMs:F2}x");
Console.WriteLine($"Size ratio: {100.0 * serialized.Length / System.Text.Encoding.UTF8.GetByteCount(json):F1}%");
Assert.IsNotNull(deserialized);
Assert.AreEqual(order.Id, deserialized.Id);
}
[TestMethod]
public void RunStringInterningBenchmark()
{
// Create data with repeated strings
var items = Enumerable.Range(0, 100).Select(i => new TestClassWithRepeatedValues
{
Id = i,
Status = i % 3 == 0 ? "Pending" : i % 3 == 1 ? "Processing" : "Completed",
Category = $"Category_{i % 5}",
Priority = i % 2 == 0 ? "High_Priority" : "Low_Priority"
}).ToList();
// Warmup
for (int i = 0; i < 10; i++)
{
var bytes = items.ToBinary();
var result = bytes.BinaryTo<List<TestClassWithRepeatedValues>>();
}
const int iterations = DefaultIterations;
// With interning (default)
var sw = Stopwatch.StartNew();
byte[] withInterning = null!;
for (int i = 0; i < iterations; i++)
{
withInterning = AcBinarySerializer.Serialize(items, AcBinarySerializerOptions.Default);
}
sw.Stop();
var withInterningMs = sw.Elapsed.TotalMilliseconds;
// Without interning
var noInternOptions = new AcBinarySerializerOptions { UseStringInterning = false };
sw.Restart();
byte[] withoutInterning = null!;
for (int i = 0; i < iterations; i++)
{
withoutInterning = AcBinarySerializer.Serialize(items, noInternOptions);
}
sw.Stop();
var withoutInterningMs = sw.Elapsed.TotalMilliseconds;
Console.WriteLine($"=== String Interning Benchmark ({iterations} iterations) ===");
Console.WriteLine($"With interning: {withInterning.Length} bytes, {withInterningMs:F2}ms");
Console.WriteLine($"Without interning: {withoutInterning.Length} bytes, {withoutInterningMs:F2}ms");
Console.WriteLine($"Size savings: {withoutInterning.Length - withInterning.Length} bytes ({100.0 * (withoutInterning.Length - withInterning.Length) / withoutInterning.Length:F1}%)");
Console.WriteLine($"Speed ratio: {withInterningMs / withoutInterningMs:F2}x");
// Verify both deserialize correctly
var result1 = withInterning.BinaryTo<List<TestClassWithRepeatedValues>>();
var result2 = withoutInterning.BinaryTo<List<TestClassWithRepeatedValues>>();
Assert.AreEqual(100, result1!.Count);
Assert.AreEqual(100, result2!.Count);
}
#endregion
#region MessagePack Comparison
[TestMethod]
public void RunMessagePackComparison()
{
// Create test data
var order = TestDataFactory.CreateBenchmarkOrder(3, 3, 3, 4);
// Warmup
for (int i = 0; i < 20; i++)
{
var binBytes = AcBinarySerializer.Serialize(order, AcBinarySerializerOptions.Default);
var binResult = AcBinaryDeserializer.Deserialize<TestOrder>(binBytes);
var msgBytes = MessagePackSerializer.Serialize(order, MsgPackOptions);
var msgResult = MessagePackSerializer.Deserialize<TestOrder>(msgBytes, MsgPackOptions);
}
const int iterations = DefaultIterations;
// === AcBinary Serialize ===
var sw = Stopwatch.StartNew();
byte[] acBinaryData = null!;
for (int i = 0; i < iterations; i++)
{
acBinaryData = AcBinarySerializer.Serialize(order, AcBinarySerializerOptions.Default);
}
sw.Stop();
var acBinarySerMs = sw.Elapsed.TotalMilliseconds;
// === MessagePack Serialize ===
sw.Restart();
byte[] msgPackData = null!;
for (int i = 0; i < iterations; i++)
{
msgPackData = MessagePackSerializer.Serialize(order, MsgPackOptions);
}
sw.Stop();
var msgPackSerMs = sw.Elapsed.TotalMilliseconds;
// === AcBinary Deserialize ===
sw.Restart();
TestOrder? acBinaryResult = null;
for (int i = 0; i < iterations; i++)
{
acBinaryResult = AcBinaryDeserializer.Deserialize<TestOrder>(acBinaryData);
}
sw.Stop();
var acBinaryDeserMs = sw.Elapsed.TotalMilliseconds;
// === MessagePack Deserialize ===
sw.Restart();
TestOrder? msgPackResult = null;
for (int i = 0; i < iterations; i++)
{
msgPackResult = MessagePackSerializer.Deserialize<TestOrder>(msgPackData, MsgPackOptions);
}
sw.Stop();
var msgPackDeserMs = sw.Elapsed.TotalMilliseconds;
// Print results
Console.WriteLine($"=== AcBinary vs MessagePack Benchmark ({iterations} iterations) ===");
Console.WriteLine();
Console.WriteLine($"{"Metric",-25} {"AcBinary",12} {"MessagePack",12} {"Ratio",10}");
Console.WriteLine(new string('-', 60));
Console.WriteLine($"{"Size (bytes)",-25} {acBinaryData.Length,12:N0} {msgPackData.Length,12:N0} {100.0 * acBinaryData.Length / msgPackData.Length,9:F1}%");
Console.WriteLine($"{"Serialize (ms)",-25} {acBinarySerMs,12:F2} {msgPackSerMs,12:F2} {acBinarySerMs / msgPackSerMs,9:F2}x");
Console.WriteLine($"{"Deserialize (ms)",-25} {acBinaryDeserMs,12:F2} {msgPackDeserMs,12:F2} {acBinaryDeserMs / msgPackDeserMs,9:F2}x");
Console.WriteLine($"{"Round-trip (ms)",-25} {acBinarySerMs + acBinaryDeserMs,12:F2} {msgPackSerMs + msgPackDeserMs,12:F2} {(acBinarySerMs + acBinaryDeserMs) / (msgPackSerMs + msgPackDeserMs),9:F2}x");
Console.WriteLine();
var sizeDiff = msgPackData.Length - acBinaryData.Length;
if (sizeDiff > 0)
Console.WriteLine($"[OK] AcBinary {sizeDiff:N0} bytes smaller ({100.0 * sizeDiff / msgPackData.Length:F1}% savings)");
else
Console.WriteLine($"[WARN] AcBinary {-sizeDiff:N0} bytes larger");
Assert.IsNotNull(acBinaryResult);
Assert.IsNotNull(msgPackResult);
Assert.AreEqual(order.Id, acBinaryResult.Id);
}
[TestMethod]
public void RunStringInterningVsMessagePack()
{
// Create data with many repeated strings (worst case for MessagePack, best for interning)
var items = Enumerable.Range(0, 200).Select(i => new TestClassWithRepeatedValues
{
Id = i,
Status = i % 3 == 0 ? "PendingStatus" : i % 3 == 1 ? "ProcessingStatus" : "CompletedStatus",
Category = $"Category_{i % 5}",
Priority = i % 2 == 0 ? "HighPriority" : "LowPriority"
}).ToList();
// Warmup
for (int i = 0; i < 20; i++)
{
var b1 = AcBinarySerializer.Serialize(items, AcBinarySerializerOptions.Default);
var r1 = AcBinaryDeserializer.Deserialize<List<TestClassWithRepeatedValues>>(b1);
var b2 = MessagePackSerializer.Serialize(items, MsgPackOptions);
var r2 = MessagePackSerializer.Deserialize<List<TestClassWithRepeatedValues>>(b2, MsgPackOptions);
}
const int iterations = DefaultIterations;
// AcBinary with interning
var sw = Stopwatch.StartNew();
byte[] acWithIntern = null!;
for (int i = 0; i < iterations; i++)
{
acWithIntern = AcBinarySerializer.Serialize(items, AcBinarySerializerOptions.Default);
}
var acSerMs = sw.Elapsed.TotalMilliseconds;
sw.Restart();
for (int i = 0; i < iterations; i++)
{
var _ = AcBinaryDeserializer.Deserialize<List<TestClassWithRepeatedValues>>(acWithIntern);
}
var acDeserMs = sw.Elapsed.TotalMilliseconds;
// MessagePack
sw.Restart();
byte[] msgPack = null!;
for (int i = 0; i < iterations; i++)
{
msgPack = MessagePackSerializer.Serialize(items, MsgPackOptions);
}
var msgSerMs = sw.Elapsed.TotalMilliseconds;
sw.Restart();
for (int i = 0; i < iterations; i++)
{
var _ = MessagePackSerializer.Deserialize<List<TestClassWithRepeatedValues>>(msgPack, MsgPackOptions);
}
var msgDeserMs = sw.Elapsed.TotalMilliseconds;
Console.WriteLine($"=== String Interning Advantage ({iterations} iterations, 200 items with repeated strings) ===");
Console.WriteLine();
Console.WriteLine($"{"Metric",-25} {"AcBinary",12} {"MessagePack",12} {"Ratio",10}");
Console.WriteLine(new string('-', 60));
Console.WriteLine($"{"Size (bytes)",-25} {acWithIntern.Length,12:N0} {msgPack.Length,12:N0} {100.0 * acWithIntern.Length / msgPack.Length,9:F1}%");
Console.WriteLine($"{"Serialize (ms)",-25} {acSerMs,12:F2} {msgSerMs,12:F2} {acSerMs / msgSerMs,9:F2}x");
Console.WriteLine($"{"Deserialize (ms)",-25} {acDeserMs,12:F2} {msgDeserMs,12:F2} {acDeserMs / msgDeserMs,9:F2}x");
Console.WriteLine();
var sizeSaving = msgPack.Length - acWithIntern.Length;
Console.WriteLine($"[OK] String interning saves {sizeSaving:N0} bytes ({100.0 * sizeSaving / msgPack.Length:F1}%)");
Assert.IsTrue(acWithIntern.Length < msgPack.Length, "AcBinary with interning should be smaller");
}
#endregion
#region Full Comparison (WithRef, NoRef, Populate, Merge)
[TestMethod]
public void RunFullBenchmarkComparison()
{
PrintBanner("AcBinary vs MessagePack Full Benchmark");
// Create test data with shared references
TestDataFactory.ResetIdCounter();
var sharedTag = TestDataFactory.CreateTag("SharedTag");
var sharedUser = TestDataFactory.CreateUser("shareduser");
var sharedMeta = TestDataFactory.CreateMetadata("shared", withChild: true);
var testOrder = TestDataFactory.CreateOrder(
itemCount: 3,
palletsPerItem: 3,
measurementsPerPallet: 3,
pointsPerMeasurement: 4,
sharedTag: sharedTag,
sharedUser: sharedUser,
sharedMetadata: sharedMeta);
// Options
var withRefOptions = new AcBinarySerializerOptions();
var noRefOptions = AcBinarySerializerOptions.WithoutReferenceHandling();
// Warmup
Console.WriteLine("\nWarming up...");
for (int i = 0; i < 100; i++)
{
_ = AcBinarySerializer.Serialize(testOrder, withRefOptions);
_ = AcBinarySerializer.Serialize(testOrder, noRefOptions);
_ = MessagePackSerializer.Serialize(testOrder, MsgPackOptions);
}
// Pre-serialize
var acBinaryWithRef = AcBinarySerializer.Serialize(testOrder, withRefOptions);
var acBinaryNoRef = AcBinarySerializer.Serialize(testOrder, noRefOptions);
var msgPackData = MessagePackSerializer.Serialize(testOrder, MsgPackOptions);
Console.WriteLine($"Iterations: {DefaultIterations:N0}");
// Size comparison
PrintTableHeader("SIZE COMPARISON");
PrintTableRowSize("AcBinary (WithRef)", acBinaryWithRef.Length, msgPackData.Length);
PrintTableRowSize("AcBinary (NoRef)", acBinaryNoRef.Length, msgPackData.Length);
PrintTableRowSize("MessagePack (baseline)", msgPackData.Length, msgPackData.Length);
PrintTableFooter();
var sw = Stopwatch.StartNew();
// === Serialize WithRef ===
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
_ = AcBinarySerializer.Serialize(testOrder, withRefOptions);
var acWithRefSerMs = sw.Elapsed.TotalMilliseconds;
// === Serialize NoRef ===
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
_ = AcBinarySerializer.Serialize(testOrder, noRefOptions);
var acNoRefSerMs = sw.Elapsed.TotalMilliseconds;
// === MessagePack Serialize ===
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
_ = MessagePackSerializer.Serialize(testOrder, MsgPackOptions);
var msgPackSerMs = sw.Elapsed.TotalMilliseconds;
// === Deserialize WithRef ===
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
_ = AcBinaryDeserializer.Deserialize<TestOrder>(acBinaryWithRef);
var acWithRefDeserMs = sw.Elapsed.TotalMilliseconds;
// === Deserialize NoRef ===
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
_ = AcBinaryDeserializer.Deserialize<TestOrder>(acBinaryNoRef);
var acNoRefDeserMs = sw.Elapsed.TotalMilliseconds;
// === MessagePack Deserialize ===
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
_ = MessagePackSerializer.Deserialize<TestOrder>(msgPackData, MsgPackOptions);
var msgPackDeserMs = sw.Elapsed.TotalMilliseconds;
// === Populate (AcBinary only) ===
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
{
var target = CreatePopulateTarget(testOrder);
AcBinaryDeserializer.Populate(acBinaryNoRef, target);
}
var acPopulateMs = sw.Elapsed.TotalMilliseconds;
// === PopulateMerge (AcBinary only) ===
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
{
var target = CreatePopulateTarget(testOrder);
AcBinaryDeserializer.PopulateMerge(acBinaryNoRef.AsSpan(), target);
}
var acMergeMs = sw.Elapsed.TotalMilliseconds;
// Print performance table
PrintTableHeader("PERFORMANCE COMPARISON (lower is better)");
PrintTableRow("Serialize (WithRef)", acWithRefSerMs, msgPackSerMs);
PrintTableRow("Serialize (NoRef)", acNoRefSerMs, msgPackSerMs);
PrintTableRow("Deserialize (WithRef)", acWithRefDeserMs, msgPackDeserMs);
PrintTableRow("Deserialize (NoRef)", acNoRefDeserMs, msgPackDeserMs);
PrintTableRow("Populate (NoRef)", acPopulateMs, 0);
PrintTableRow("Merge (NoRef)", acMergeMs, 0);
PrintTableRow("Round-trip (WithRef)", acWithRefSerMs + acWithRefDeserMs, msgPackSerMs + msgPackDeserMs);
PrintTableRow("Round-trip (NoRef)", acNoRefSerMs + acNoRefDeserMs, msgPackSerMs + msgPackDeserMs);
PrintTableFooter();
PrintSummary(acBinaryNoRef.Length, msgPackData.Length, acNoRefSerMs, msgPackSerMs, acNoRefDeserMs, msgPackDeserMs);
// Assertions
Assert.IsTrue(acBinaryWithRef.Length < msgPackData.Length, "AcBinary WithRef should be smaller than MessagePack");
Assert.IsTrue(acBinaryNoRef.Length < msgPackData.Length, "AcBinary NoRef should be smaller than MessagePack");
}
[TestMethod]
public void RunWithRefVsNoRefComparison()
{
PrintBanner("AcBinary WithRef vs NoRef Comparison");
// Create test data WITH shared references (to show WithRef advantage)
TestDataFactory.ResetIdCounter();
var sharedTag = TestDataFactory.CreateTag("SharedTag");
var sharedUser = TestDataFactory.CreateUser("shareduser");
var sharedMeta = TestDataFactory.CreateMetadata("shared", withChild: true);
var testOrder = TestDataFactory.CreateOrder(
itemCount: 5,
palletsPerItem: 4,
measurementsPerPallet: 3,
pointsPerMeasurement: 5,
sharedTag: sharedTag,
sharedUser: sharedUser,
sharedMetadata: sharedMeta);
var withRefOptions = new AcBinarySerializerOptions();
var noRefOptions = AcBinarySerializerOptions.WithoutReferenceHandling();
// Warmup
Console.WriteLine("Warming up...");
for (int i = 0; i < 50; i++)
{
_ = AcBinarySerializer.Serialize(testOrder, withRefOptions);
_ = AcBinarySerializer.Serialize(testOrder, noRefOptions);
}
var withRefData = AcBinarySerializer.Serialize(testOrder, withRefOptions);
var noRefData = AcBinarySerializer.Serialize(testOrder, noRefOptions);
Console.WriteLine($"Iterations: {DefaultIterations:N0}");
// Size comparison
PrintBanner("SIZE COMPARISON (bytes)");
Console.WriteLine($"WithRef : {withRefData.Length,12:N0} (baseline)");
var sizeDiff = noRefData.Length - withRefData.Length;
var ratio = withRefData.Length == 0 ? 0 : 100.0 * noRefData.Length / withRefData.Length;
Console.WriteLine($"NoRef : {noRefData.Length,12:N0} (diff {sizeDiff:+#;-#;0}) => {ratio:F1}% of WithRef");
var sw = Stopwatch.StartNew();
// Serialize WithRef
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
_ = AcBinarySerializer.Serialize(testOrder, withRefOptions);
var withRefSerMs = sw.Elapsed.TotalMilliseconds;
// Serialize NoRef
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
_ = AcBinarySerializer.Serialize(testOrder, noRefOptions);
var noRefSerMs = sw.Elapsed.TotalMilliseconds;
// Deserialize WithRef
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
_ = AcBinaryDeserializer.Deserialize<TestOrder>(withRefData);
var withRefDeserMs = sw.Elapsed.TotalMilliseconds;
// Deserialize NoRef
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
_ = AcBinaryDeserializer.Deserialize<TestOrder>(noRefData);
var noRefDeserMs = sw.Elapsed.TotalMilliseconds;
PrintBanner("PERFORMANCE COMPARISON (ms)");
Console.WriteLine($"Serialize -> WithRef: {withRefSerMs,8:F2} | NoRef: {noRefSerMs,8:F2}");
Console.WriteLine($"Deserialize-> WithRef: {withRefDeserMs,8:F2} | NoRef: {noRefDeserMs,8:F2}");
Console.WriteLine($"Round-trip -> WithRef: {withRefSerMs + withRefDeserMs,8:F2} | NoRef: {noRefSerMs + noRefDeserMs,8:F2}");
if (withRefData.Length < noRefData.Length)
{
Console.WriteLine($"[OK] WithRef saves {noRefData.Length - withRefData.Length:N0} bytes by deduplicating shared references.");
}
else
{
Console.WriteLine($"[INFO] NoRef saves {withRefData.Length - noRefData.Length:N0} bytes because it skips reference metadata.");
}
// Verify correctness
var resultWithRef = AcBinaryDeserializer.Deserialize<TestOrder>(withRefData);
var resultNoRef = AcBinaryDeserializer.Deserialize<TestOrder>(noRefData);
Assert.IsNotNull(resultWithRef);
Assert.IsNotNull(resultNoRef);
Assert.AreEqual(testOrder.Id, resultWithRef.Id);
Assert.AreEqual(testOrder.Id, resultNoRef.Id);
}
[TestMethod]
public void RunPopulateAndMergeBenchmark()
{
PrintBanner("AcBinary Populate & Merge Benchmark");
TestDataFactory.ResetIdCounter();
var testOrder = TestDataFactory.CreateBenchmarkOrder(
itemCount: 3,
palletsPerItem: 3,
measurementsPerPallet: 3,
pointsPerMeasurement: 4);
var options = AcBinarySerializerOptions.WithoutReferenceHandling();
var binaryData = AcBinarySerializer.Serialize(testOrder, options);
Console.WriteLine("Warming up...");
for (int i = 0; i < 50; i++)
{
var target = CreatePopulateTarget(testOrder);
AcBinaryDeserializer.Populate(binaryData, target);
AcBinaryDeserializer.PopulateMerge(binaryData.AsSpan(), target);
}
Console.WriteLine($"Iterations: {DefaultIterations:N0}");
Console.WriteLine($"Data size: {binaryData.Length:N0} bytes");
var sw = Stopwatch.StartNew();
// Deserialize (creates new object)
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
_ = AcBinaryDeserializer.Deserialize<TestOrder>(binaryData);
var deserializeMs = sw.Elapsed.TotalMilliseconds;
// Populate (reuses existing object)
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
{
var target = CreatePopulateTarget(testOrder);
AcBinaryDeserializer.Populate(binaryData, target);
}
var populateMs = sw.Elapsed.TotalMilliseconds;
// PopulateMerge (IId-based merge)
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
{
var target = CreatePopulateTarget(testOrder);
AcBinaryDeserializer.PopulateMerge(binaryData.AsSpan(), target);
}
var mergeMs = sw.Elapsed.TotalMilliseconds;
// PopulateMerge with RemoveOrphanedItems
var mergeWithRemoveOptions = new AcBinarySerializerOptions { RemoveOrphanedItems = true };
sw.Restart();
for (int i = 0; i < DefaultIterations; i++)
{
var target = CreatePopulateTarget(testOrder);
AcBinaryDeserializer.PopulateMerge(binaryData.AsSpan(), target, mergeWithRemoveOptions);
}
var mergeWithRemoveMs = sw.Elapsed.TotalMilliseconds;
PrintBanner("OPERATION COMPARISON (ms)");
Console.WriteLine($"Deserialize (new object): {deserializeMs:F2} (baseline)");
Console.WriteLine($"Populate (reuse obj) : {populateMs:F2} ({populateMs / deserializeMs:F2}x of baseline)");
Console.WriteLine($"PopulateMerge : {mergeMs:F2} ({mergeMs / deserializeMs:F2}x of baseline)");
Console.WriteLine($"PopulateMerge + cleanup: {mergeWithRemoveMs:F2} ({mergeWithRemoveMs / deserializeMs:F2}x of baseline)");
Console.WriteLine("[INFO] Populate/Merge reuse existing objects - ideal for UI data binding scenarios.");
Assert.IsTrue(true); // Test passed if no exceptions
}
#endregion
#region Test Models
public class TestClassWithRepeatedValues
{
public int Id { get; set; }
public string Status { get; set; } = "";
public string Category { get; set; } = "";
public string Priority { get; set; } = "";
}
#endregion
}