CI test #99871
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CI test #99871
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@EgorBot -arm64 -amd -intel using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System.Runtime.InteropServices;
BenchmarkRunner.Run<Utf8Bench>(args: args);
public unsafe class Utf8Bench
{
byte* _ptr1 = null;
byte* _ptr2 = null;
[GlobalSetup]
public void GlobalSetup()
{
_ptr1 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64) + 8;
_ptr2 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64) + 8;
}
[GlobalCleanup]
public void GlobalCleanup()
{
NativeMemory.Free(_ptr1);
NativeMemory.Free(_ptr2);
}
public static IEnumerable<long> Sizes()
{
yield return 1_000;
yield return 10_000;
yield return 100_000;
yield return 1_000_000;
yield return 10_000_000;
yield return 100_000_000;
}
[Benchmark]
[ArgumentsSource(nameof(Sizes))]
public void Managed(long size) => Buffer.MemoryCopy(_ptr1, _ptr2, size, size);
[Benchmark]
[ArgumentsSource(nameof(Sizes))]
public void Native(long size) => memcpy(_ptr1, _ptr2, (nuint)size);
[DllImport("libc")]
static extern nuint memcpy(byte* dest, byte* src, nuint size);
} |
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@EgorBot -intel using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System.Runtime.InteropServices;
BenchmarkRunner.Run<Utf8Bench>(args: args);
public unsafe class Utf8Bench
{
byte* _ptr1 = null;
byte* _ptr2 = null;
[GlobalSetup]
public void GlobalSetup()
{
_ptr1 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
_ptr2 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
}
[GlobalCleanup]
public void GlobalCleanup()
{
NativeMemory.Free(_ptr1);
NativeMemory.Free(_ptr2);
}
public static IEnumerable<long> Sizes()
{
yield return 100_000;
}
[Benchmark]
[ArgumentsSource(nameof(Sizes))]
public void Managed(long size) => Buffer.MemoryCopy(_ptr1, _ptr2, size, size);
} |
4 similar comments
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@EgorBot -intel using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System.Runtime.InteropServices;
BenchmarkRunner.Run<Utf8Bench>(args: args);
public unsafe class Utf8Bench
{
byte* _ptr1 = null;
byte* _ptr2 = null;
[GlobalSetup]
public void GlobalSetup()
{
_ptr1 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
_ptr2 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
}
[GlobalCleanup]
public void GlobalCleanup()
{
NativeMemory.Free(_ptr1);
NativeMemory.Free(_ptr2);
}
public static IEnumerable<long> Sizes()
{
yield return 100_000;
}
[Benchmark]
[ArgumentsSource(nameof(Sizes))]
public void Managed(long size) => Buffer.MemoryCopy(_ptr1, _ptr2, size, size);
} |
|
@EgorBot -intel using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System.Runtime.InteropServices;
BenchmarkRunner.Run<Utf8Bench>(args: args);
public unsafe class Utf8Bench
{
byte* _ptr1 = null;
byte* _ptr2 = null;
[GlobalSetup]
public void GlobalSetup()
{
_ptr1 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
_ptr2 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
}
[GlobalCleanup]
public void GlobalCleanup()
{
NativeMemory.Free(_ptr1);
NativeMemory.Free(_ptr2);
}
public static IEnumerable<long> Sizes()
{
yield return 100_000;
}
[Benchmark]
[ArgumentsSource(nameof(Sizes))]
public void Managed(long size) => Buffer.MemoryCopy(_ptr1, _ptr2, size, size);
} |
|
@EgorBot -intel using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System.Runtime.InteropServices;
BenchmarkRunner.Run<Utf8Bench>(args: args);
public unsafe class Utf8Bench
{
byte* _ptr1 = null;
byte* _ptr2 = null;
[GlobalSetup]
public void GlobalSetup()
{
_ptr1 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
_ptr2 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
}
[GlobalCleanup]
public void GlobalCleanup()
{
NativeMemory.Free(_ptr1);
NativeMemory.Free(_ptr2);
}
public static IEnumerable<long> Sizes()
{
yield return 100_000;
}
[Benchmark]
[ArgumentsSource(nameof(Sizes))]
public void Managed(long size) => Buffer.MemoryCopy(_ptr1, _ptr2, size, size);
} |
|
@EgorBot -intel using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System.Runtime.InteropServices;
BenchmarkRunner.Run<Utf8Bench>(args: args);
public unsafe class Utf8Bench
{
byte* _ptr1 = null;
byte* _ptr2 = null;
[GlobalSetup]
public void GlobalSetup()
{
_ptr1 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
_ptr2 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
}
[GlobalCleanup]
public void GlobalCleanup()
{
NativeMemory.Free(_ptr1);
NativeMemory.Free(_ptr2);
}
public static IEnumerable<long> Sizes()
{
yield return 100_000;
}
[Benchmark]
[ArgumentsSource(nameof(Sizes))]
public void Managed(long size) => Buffer.MemoryCopy(_ptr1, _ptr2, size, size);
} |
❌ Benchmark failed on Intel |
|
@EgorBot -intel using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System.Runtime.InteropServices;
BenchmarkRunner.Run<Utf8Bench>(args: args);
public unsafe class Utf8Bench
{
byte* _ptr1 = null;
byte* _ptr2 = null;
[GlobalSetup]
public void GlobalSetup()
{
_ptr1 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
_ptr2 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
}
[GlobalCleanup]
public void GlobalCleanup()
{
NativeMemory.Free(_ptr1);
NativeMemory.Free(_ptr2);
}
public static IEnumerable<long> Sizes()
{
yield return 100_000;
}
[Benchmark]
[ArgumentsSource(nameof(Sizes))]
public void Managed(long size) => Buffer.MemoryCopy(_ptr1, _ptr2, size, size);
} |
❌ Benchmark failed on Intel |
|
@EgorBot -intel using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System.Runtime.InteropServices;
BenchmarkRunner.Run<Utf8Bench>(args: args);
public unsafe class Utf8Bench
{
byte* _ptr1 = null;
byte* _ptr2 = null;
[GlobalSetup]
public void GlobalSetup()
{
_ptr1 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
_ptr2 = (byte*)NativeMemory.AlignedAlloc(300 * 1024 * 1024, 64);
}
[GlobalCleanup]
public void GlobalCleanup()
{
NativeMemory.Free(_ptr1);
NativeMemory.Free(_ptr2);
}
public static IEnumerable<long> Sizes()
{
yield return 100_000;
}
[Benchmark]
[ArgumentsSource(nameof(Sizes))]
public void Managed(long size) => Buffer.MemoryCopy(_ptr1, _ptr2, size, size);
} |
Benchmark results on Intel
|
|
@EgorBot -intel using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
BenchmarkRunner.Run<MyBench>(args: args); // args must be forwarded to BDN!
public class MyBench
{
string _str = "dotnet/RUNTIME";
[Benchmark]
public bool Test() =>
// JIT is expected to unroll this with SIMD:
_str.Equals("dotnet/runtime", StringComparison.OrdinalIgnoreCase);
} |
|
@EgorBot -intel using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
BenchmarkRunner.Run<MyBench>(args: args); // args must be forwarded to BDN!
public class MyBench
{
string _str = "dotnet/RUNTIME";
[Benchmark]
public bool Test() =>
// JIT is expected to unroll this with SIMD:
_str.Equals("dotnet/runtime", StringComparison.OrdinalIgnoreCase);
} |
Benchmark results on Intel
|
|
@EgorBot -arm64 -profile using System.Runtime.CompilerServices;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
BenchmarkRunner.Run<Bench>(args: args);
public class Bench
{
// struct in heap
MyStruct MS = new();
[Benchmark]
public void CheckedWB_InHeap()
{
string str = new string('x', 1);
for (long i = 0; i < 200000000; i++)
CheckedWriteBarrier(ref MS, str);
}
[MethodImpl(MethodImplOptions.NoInlining)]
void CheckedWriteBarrier(ref MyStruct ms, string str) => ms.Str = str;
}
public record struct MyStruct(string Str);
internal class Foo
{
public volatile Foo x;
} |
Benchmark results on Arm64
Flame graphs: Main vs PR 🔥 For clean |
This was referenced Sep 1, 2024
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