Benchmarks for #117583 (EgorBo)

[EgorBot]

Processing dotnet/runtime#117583 (comment) command:

Command

-amd -arm

using BenchmarkDotNet.Attributes;

public class Program
{
    private static object[] Arr = new Program[10];
    private static object Value = new Program();

    [Benchmark]
    public void Test()
    {
        var val = Value;
        var arr = Arr;
        arr[0] = val;
        arr[1] = val;
        arr[2] = val;
        arr[3] = val;
        arr[4] = val;
    }
}

(EgorBot will reply in this issue)

[EgorBot]

❌ Benchmark validation failed

cc @EgorBo (logs). EgorBot manual: link.

[EgorBo]

@EgorBot -amd -arm

using BenchmarkDotNet.Attributes;

public class Bench
{
    private static object[] Arr = new Bench[10];
    private static object Value = new Bench();

    [Benchmark]
    public void Test()
    {
        var val = Value;
        var arr = Arr;
        arr[0] = val;
        arr[1] = val;
        arr[2] = val;
        arr[3] = val;
        arr[4] = val;
    }
}

[EgorBot]

Benchmark results on linux_azure_genoa

BenchmarkDotNet v0.15.0, Linux Ubuntu 24.04.2 LTS (Noble Numbat)
AMD EPYC 9V74, 1 CPU, 16 logical and 8 physical cores
  Job-EQHBLP : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-PUYALL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

Method	Toolchain	Mean	Error	Ratio
Test	Main	13.09 ns	0.002 ns	1.00
Test	PR	15.82 ns	0.004 ns	1.21

BDN_Artifacts.zip

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

[EgorBot]

Benchmark results on linux_azure_cobalt100

BenchmarkDotNet v0.15.0, Linux Ubuntu 24.04.2 LTS (Noble Numbat)
Neoverse-N2, 16 physical cores
  Job-VPIKLM : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
  Job-HPHYCO : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD

Method	Toolchain	Mean	Error	Ratio
Test	Main	14.77 ns	0.007 ns	1.00
Test	PR	12.71 ns	0.002 ns	0.86

BDN_Artifacts.zip

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

[EgorBo]

@EgorBot -amd -arm

using BenchmarkDotNet.Attributes;

public class Bench
{
    private static object[] Arr = new Bench[10];
    private static object Value = new Bench();

    [Benchmark]
    public void Test1()
    {
        var val = Value;
        var arr = Arr;
        arr[0] = val;
        arr[1] = val;
        arr[2] = val;
        arr[3] = val;
        arr[4] = val;
    }

    [Benchmark]
    public void Test2()
    {
        Arr[0] = Value;
    }
}

[EgorBot]

Benchmark results on linux_azure_genoa

BenchmarkDotNet v0.15.0, Linux Ubuntu 24.04.2 LTS (Noble Numbat)
AMD EPYC 9V74, 1 CPU, 16 logical and 8 physical cores
  Job-WEZCOQ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-UYCLTX : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI

Method	Toolchain	Mean	Error	Ratio
Test1	Main	13.091 ns	0.0126 ns	1.00
Test1	PR	16.836 ns	0.4035 ns	1.29
Test2	Main	2.725 ns	0.0005 ns	1.00
Test2	PR	3.420 ns	0.0963 ns	1.26

BDN_Artifacts.zip

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

[EgorBot]

Benchmark results on linux_azure_cobalt100

BenchmarkDotNet v0.15.0, Linux Ubuntu 24.04.2 LTS (Noble Numbat)
Neoverse-N2, 16 physical cores
  Job-HHEOPF : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
  Job-VLTQDJ : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD

Method	Toolchain	Mean	Error	Ratio
Test1	Main	14.770 ns	0.0072 ns	1.00
Test1	PR	12.708 ns	0.0043 ns	0.86
Test2	Main	2.374 ns	0.0009 ns	1.00
Test2	PR	2.229 ns	0.0004 ns	0.94

BDN_Artifacts.zip

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

[EgorBo]

@EgorBot -amd -arm

using BenchmarkDotNet.Attributes;

public class Program
{
    private static object[] Arr = new Program[10];
    private static object Value = new Program();

    [Benchmark]
    public void Test()
    {
        var val = Value;
        var arr = Arr;
        arr[0] = val;
        arr[1] = val;
        arr[2] = val;
        arr[3] = val;
        arr[4] = val;
    }
}

[EgorBot]

❌ Benchmark validation failed

cc @EgorBo (logs). EgorBot manual: link.

[EgorBo]

@EgorBot -amd -arm --envvars DOTNET_JitDisasm:Test2

using BenchmarkDotNet.Attributes;

public class Bench
{
    private static object[] Arr = new Bench[10];
    private static object Value = new Bench();

    [Benchmark]
    public void Test1()
    {
        var val = Value;
        var arr = Arr;
        arr[0] = val;
        arr[1] = val;
        arr[2] = val;
        arr[3] = val;
        arr[4] = val;
    }

    [Benchmark]
    public void Test2()
    {
        Arr[0] = Value;
    }
}

[EgorBot]

Benchmark results on linux_azure_genoa

BenchmarkDotNet v0.15.0, Linux Ubuntu 24.04.2 LTS (Noble Numbat)
AMD EPYC 9V74, 1 CPU, 16 logical and 8 physical cores
  Job-UEYSQT : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-NHFACD : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
EnvironmentVariables=DOTNET_JitDisasm=Test2

Method	Toolchain	Mean	Error	Ratio
Test1	Main	13.083 ns	0.0011 ns	1.00
Test1	PR	9.539 ns	0.0011 ns	0.73
Test2	Main	2.726 ns	0.0005 ns	1.00
Test2	PR	2.135 ns	0.0690 ns	0.78

BDN_Artifacts.zip

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

[EgorBot]

Benchmark results on linux_azure_cobalt100

BenchmarkDotNet v0.15.0, Linux Ubuntu 24.04.2 LTS (Noble Numbat)
Neoverse-N2, 16 physical cores
  Job-FHHMIU : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
  Job-JNVLZP : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
EnvironmentVariables=DOTNET_JitDisasm=Test2

Method	Toolchain	Mean	Error	Ratio
Test1	Main	14.775 ns	0.0093 ns	1.00
Test1	PR	7.674 ns	0.0039 ns	0.52
Test2	Main	2.379 ns	0.0013 ns	1.00
Test2	PR	1.411 ns	0.0040 ns	0.59

BDN_Artifacts.zip

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