EgorBot for EgorBo in #111564

[EgorBot]

Processing dotnet/runtime#111564 (comment) command:

Command

-intel --envvars DOTNET_EnableAVX:0

using System.Collections;
using BenchmarkDotNet.Attributes;

public class Benchmarks
{
    bool[] buffer = new bool[1000];

    [Benchmark]
    [ArgumentsSource(nameof(TestData))]
    public void BitArrayCopyTo(BitArray bitArray) => bitArray.CopyTo(buffer, 0);

    public IEnumerable<BitArray> TestData()
    {
        yield return new BitArray(31);
        yield return new BitArray(32);
        yield return new BitArray(33);
        yield return new BitArray(64);
        yield return new BitArray(127);
        yield return new BitArray(128);
        yield return new BitArray(129);
        yield return new BitArray(256);
    }
}

(EgorBot will reply in this issue)

[EgorBot]

Benchmark results on linux_azure_cascadelake

BenchmarkDotNet v0.14.0, Ubuntu 24.04.1 LTS (Noble Numbat)
Intel Xeon Platinum 8370C CPU 2.80GHz, 1 CPU, 16 logical and 8 physical cores
  Job-RYRZNO : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT SSE4.2
  Job-SCDOVF : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT SSE4.2
EnvironmentVariables=DOTNET_EnableAVX=0

Method	Toolchain	bitArray	Mean	Error	Ratio
BitArrayCopyTo	Main	Syste(...)Array [27]	28.767 ns	0.0185 ns	1.00
BitArrayCopyTo	Main	Syste(...)Array [27]	29.831 ns	0.0070 ns	1.04
BitArrayCopyTo	Main	Syste(...)Array [27]	30.699 ns	0.0109 ns	1.07
BitArrayCopyTo	Main	Syste(...)Array [27]	56.888 ns	0.0120 ns	1.98
BitArrayCopyTo	Main	Syste(...)Array [27]	113.207 ns	0.0199 ns	3.94
BitArrayCopyTo	Main	Syste(...)Array [27]	7.712 ns	0.0204 ns	0.27
BitArrayCopyTo	Main	Syste(...)Array [27]	8.555 ns	0.0086 ns	0.30
BitArrayCopyTo	Main	Syste(...)Array [27]	12.015 ns	0.0035 ns	0.42
BitArrayCopyTo	PR	Syste(...)Array [27]	29.083 ns	0.0103 ns	1.01
BitArrayCopyTo	PR	Syste(...)Array [27]	3.948 ns	0.0032 ns	0.14
BitArrayCopyTo	PR	Syste(...)Array [27]	5.139 ns	0.0152 ns	0.18
BitArrayCopyTo	PR	Syste(...)Array [27]	5.240 ns	0.0004 ns	0.18
BitArrayCopyTo	PR	Syste(...)Array [27]	33.575 ns	0.0095 ns	1.17
BitArrayCopyTo	PR	Syste(...)Array [27]	8.361 ns	0.0050 ns	0.29
BitArrayCopyTo	PR	Syste(...)Array [27]	8.924 ns	0.0408 ns	0.31
BitArrayCopyTo	PR	Syste(...)Array [27]	12.207 ns	0.2609 ns	0.42

BDN_Artifacts.zip

cc @EgorBo (agent_logs.txt). EgorBot manual: link.

[EgorBo]

@EgorBot -intel -pr 111564 --envvars DOTNET_EnableAVX:0

using System.Collections;
using BenchmarkDotNet.Attributes;

public class Benchmarks
{
    bool[] buffer = new bool[1000];

    [Benchmark]
    [ArgumentsSource(nameof(TestData))]
    public void BitArrayCopyTo(BitArray bitArray, int len /* for BDN reporting*/) 
        => bitArray.CopyTo(buffer, 0);

    public IEnumerable<object[]> TestData()
    {
        yield return [new BitArray(31), 31];
        yield return [new BitArray(32), 32];
        yield return [new BitArray(33), 33];
        yield return [new BitArray(64), 64];
        yield return [new BitArray(127), 127];
        yield return [new BitArray(128), 128];
        yield return [new BitArray(129), 129];
        yield return [new BitArray(256), 256];
    }
}

[EgorBot]

Benchmark results on linux_azure_cascadelake

BenchmarkDotNet v0.14.0, Ubuntu 24.04.1 LTS (Noble Numbat)
Intel Xeon Platinum 8370C CPU 2.80GHz, 1 CPU, 16 logical and 8 physical cores
  Job-VGGOZV : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT SSE4.2
  Job-ZAUWTF : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT SSE4.2
EnvironmentVariables=DOTNET_EnableAVX=0

Method	Toolchain	bitArray	len	Mean	Error	Ratio
BitArrayCopyTo	Main	Syste(...)Array [27]	31	29.486 ns	0.0223 ns	1.00
BitArrayCopyTo	PR	Syste(...)Array [27]	31	29.474 ns	0.0080 ns	1.00
BitArrayCopyTo	Main	Syste(...)Array [27]	32	30.318 ns	0.0106 ns	1.00
BitArrayCopyTo	PR	Syste(...)Array [27]	32	4.127 ns	0.0069 ns	0.14
BitArrayCopyTo	Main	Syste(...)Array [27]	33	31.181 ns	0.0078 ns	1.00
BitArrayCopyTo	PR	Syste(...)Array [27]	33	5.541 ns	0.0209 ns	0.18
BitArrayCopyTo	Main	Syste(...)Array [27]	64	57.695 ns	0.0123 ns	1.00
BitArrayCopyTo	PR	Syste(...)Array [27]	64	5.698 ns	0.0415 ns	0.10
BitArrayCopyTo	Main	Syste(...)Array [27]	127	112.872 ns	0.5945 ns	1.00
BitArrayCopyTo	PR	Syste(...)Array [27]	127	33.487 ns	0.0070 ns	0.30
BitArrayCopyTo	Main	Syste(...)Array [27]	128	8.122 ns	0.0136 ns	1.00
BitArrayCopyTo	PR	Syste(...)Array [27]	128	8.286 ns	0.0191 ns	1.02
BitArrayCopyTo	Main	Syste(...)Array [27]	129	9.324 ns	0.0072 ns	1.00
BitArrayCopyTo	PR	Syste(...)Array [27]	129	9.072 ns	0.0212 ns	0.97
BitArrayCopyTo	Main	Syste(...)Array [27]	256	12.652 ns	0.0023 ns	1.00
BitArrayCopyTo	PR	Syste(...)Array [27]	256	12.449 ns	0.0032 ns	0.98

BDN_Artifacts.zip

cc @EgorBo (agent_logs.txt). EgorBot manual: link.