EgorBot for EgorBo in #110413

[EgorBot]

Processing dotnet/runtime#110413 (comment) command:

Command

-intel -commit dotnet/runtime@cf7a744 vs previous --envvars DOTNET_JitDisasm:GetIndexOfFirstNonAsciiChar --filter System.Text.Perf_Utf8Encoding.GetByteCount

(EgorBot will reply in this issue)

[EgorBot]

Benchmark results on linux_azure_cascadelake

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 24.04.1 LTS (Noble Numbat)
Intel Xeon Platinum 8370C CPU 2.80GHz, 1 CPU, 16 logical and 8 physical cores
  Job-ODFSCV : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-DQFXLV : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=DontRemove  EnvironmentVariables=DOTNET_JitDisasm=GetIndexOfFirstNonAsciiChar  PowerPlanMode=00000000-0000-0000-0000-000000000000
IterationTime=250ms  MaxIterationCount=20  MemoryRandomization=True
MinIterationCount=15  WarmupCount=1

Method	Toolchain	Input	Mean	Error	Ratio	Allocated	Alloc Ratio
GetByteCount	Before	EnglishAllAscii	2.410 μs	0.0549 μs	1.00	-	NA
GetByteCount	After	EnglishAllAscii	2.383 μs	0.0018 μs	0.99	-	NA
GetByteCount	Before	EnglishMostlyAscii	23.022 μs	1.0233 μs	1.00	-	NA
GetByteCount	After	EnglishMostlyAscii	22.020 μs	0.1287 μs	0.96	-	NA
GetByteCount	Before	Chinese	10.324 μs	0.4028 μs	1.00	-	NA
GetByteCount	After	Chinese	10.027 μs	0.0031 μs	0.97	-	NA
GetByteCount	Before	Cyrillic	8.785 μs	0.4043 μs	1.00	-	NA
GetByteCount	After	Cyrillic	8.520 μs	0.1894 μs	0.97	-	NA
GetByteCount	Before	Greek	10.936 μs	0.0458 μs	1.00	-	NA
GetByteCount	After	Greek	10.956 μs	0.0047 μs	1.00	-	NA

BDN_Artifacts.zip

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