57 lines
2.4 KiB
C#
57 lines
2.4 KiB
C#
using AyCode.Core.Serializers;
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using AyCode.Core.Tests.TestModels;
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using MemoryPack;
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using System.Buffers;
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using System.Runtime.CompilerServices;
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namespace AyCode.Core.Benchmarks.Workloads.Scenarios;
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/// <summary>
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/// Benchmarks MemoryPack via the IBufferWriter overload, allocating a FRESH ArrayBufferWriter on EVERY call.
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/// Apples-to-apples counterpart to <see cref="AcBinaryFreshBufferWriterBenchmark{T}"/>.
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/// </summary>
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public sealed class MemoryPackFreshBufferWriterBenchmark<T> : ISerializerBenchmark where T : class
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{
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private readonly T _order;
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private readonly MemoryPackSerializerOptions _options;
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private readonly byte[] _serialized;
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public BenchmarkEngine Engine => BenchmarkEngine.MemoryPack;
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public BenchmarkIoMode IoMode => BenchmarkIoMode.BufWrNew;
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public BenchmarkDispatchMode DispatchMode => BenchmarkDispatchMode.SGen; // MemoryPack always uses [MemoryPackable] source-generated formatters
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public Type OrderType => typeof(T);
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public string OptionsPreset { get; }
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public int SerializedSize => _serialized.Length;
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public long SetupSerializeAllocBytes => 0;
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public long SetupDeserializeAllocBytes => 0;
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public string? OptionsDescription => $"StringEncoding={_options.StringEncoding}";
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public MemoryPackFreshBufferWriterBenchmark(T order, WireMode wireMode, string optionsPreset)
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{
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_order = order;
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OptionsPreset = optionsPreset;
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_options = BenchmarkOptions.GetMemPack(wireMode);
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_serialized = MemoryPackSerializer.Serialize(order, _options);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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public void Serialize()
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{
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var abw = new ArrayBufferWriter<byte>();
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MemoryPackSerializer.Serialize(abw, _order, _options);
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}
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// BufWr semantic: read from a ReadOnlySequence<byte> overload (apples-to-apples with AcBinary's
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// BufWr Deser path). MemoryPack's ROS overload also single-segment-fast-paths internally.
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[MethodImpl(MethodImplOptions.NoInlining)]
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public void Deserialize() => MemoryPackSerializer.Deserialize<T>(new ReadOnlySequence<byte>(_serialized), _options);
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public bool VerifyRoundTrip()
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{
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var abw = new ArrayBufferWriter<byte>();
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MemoryPackSerializer.Serialize(abw, _order, _options);
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var roundTripped = MemoryPackSerializer.Deserialize<T>(new ReadOnlySequence<byte>(abw.WrittenMemory), _options);
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return RoundTripValidator.DeepEqualsViaJson(_order, roundTripped);
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}
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}
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