[Benchmark X64] [MihaZupan] Avoid bounds checks in JsonWriterHelper.EscapeNe ...

[MihuBot]

Job completed in 58 minutes 10 seconds (remote runner delay: 2 minutes 50 seconds).
dotnet/runtime#129803
Using arguments: benchmark Perf_Strings -medium
Main commit: dotnet/runtime@90a073c
PR commit: MihaZupan/runtime@529fac1

⚠️ The benchmark run did not complete successfully (exit code 1). Some benchmarks may be missing from the results below. See the job logs for details.

System.Text.Json.Tests.Perf_Strings

BenchmarkDotNet v0.16.0-nightly.20260518.1249, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V74 2.60GHz, 1 CPU, 8 logical and 4 physical cores
Memory: 31.34 GB Total, 4.55 GB Available
MediumRun : .NET 11.0.0 (11.0.0-dev, 42.42.42.42424), X64 RyuJIT x86-64-v4
Job=MediumRun  OutlierMode=DontRemove  IterationCount=15
LaunchCount=2  MemoryRandomization=True  WarmupCount=10

Method	Toolchain	Formatted	SkipValidation	Escaped	Mean	Error	Ratio	Allocated	Alloc Ratio
WriteStringsUtf8	Main	False	False	AllEscaped	30.186 ms	0.0553 ms	1.00	2176.11 KB	1.00
WriteStringsUtf8	PR	False	False	AllEscaped	NA	NA	?	NA	?
WriteStringsUtf16	Main	False	False	AllEscaped	29.409 ms	0.2139 ms	1.00	2176.26 KB	1.00
WriteStringsUtf16	PR	False	False	AllEscaped	30.376 ms	1.7712 ms	1.03	2176.2 KB	1.00
WriteStringsUtf8	Main	False	False	OneEscaped	5.416 ms	0.0138 ms	1.00	136.12 KB	1.00
WriteStringsUtf8	PR	False	False	OneEscaped	NA	NA	?	NA	?
WriteStringsUtf16	Main	False	False	OneEscaped	7.113 ms	0.0374 ms	1.00	136.13 KB	1.00
WriteStringsUtf16	PR	False	False	OneEscaped	7.146 ms	0.1714 ms	1.00	136.13 KB	1.00
WriteStringsUtf8	Main	False	False	NoneEscaped	1.843 ms	0.0054 ms	1.00	34.13 KB	1.00
WriteStringsUtf8	PR	False	False	NoneEscaped	1.847 ms	0.0058 ms	1.00	34.13 KB	1.00
WriteStringsUtf16	Main	False	False	NoneEscaped	3.293 ms	0.0082 ms	1.00	68.12 KB	1.00
WriteStringsUtf16	PR	False	False	NoneEscaped	3.279 ms	0.0133 ms	1.00	68.12 KB	1.00
WriteStringsUtf8	Main	False	True	AllEscaped	30.212 ms	0.0358 ms	1.00	2176.13 KB	1.00
WriteStringsUtf8	PR	False	True	AllEscaped	NA	NA	?	NA	?
WriteStringsUtf16	Main	False	True	AllEscaped	29.664 ms	0.5524 ms	1.00	2176.23 KB	1.00
WriteStringsUtf16	PR	False	True	AllEscaped	29.390 ms	0.0972 ms	0.99	2176.04 KB	1.00
WriteStringsUtf8	Main	False	True	OneEscaped	5.367 ms	0.0109 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	PR	False	True	OneEscaped	NA	NA	?	NA	?
WriteStringsUtf16	Main	False	True	OneEscaped	7.306 ms	0.1810 ms	1.00	136.1 KB	1.00
WriteStringsUtf16	PR	False	True	OneEscaped	7.031 ms	0.0147 ms	0.96	136.1 KB	1.00
WriteStringsUtf8	Main	False	True	NoneEscaped	1.813 ms	0.0056 ms	1.00	34.13 KB	1.00
WriteStringsUtf8	PR	False	True	NoneEscaped	1.805 ms	0.0064 ms	1.00	34.13 KB	1.00
WriteStringsUtf16	Main	False	True	NoneEscaped	3.315 ms	0.0294 ms	1.00	68.12 KB	1.00
WriteStringsUtf16	PR	False	True	NoneEscaped	3.279 ms	0.0111 ms	0.99	68.12 KB	1.00
WriteStringsUtf8	Main	True	False	AllEscaped	30.349 ms	0.0483 ms	1.00	2176.05 KB	1.00
WriteStringsUtf8	PR	True	False	AllEscaped	NA	NA	?	NA	?
WriteStringsUtf16	Main	True	False	AllEscaped	29.811 ms	0.2520 ms	1.00	2176.04 KB	1.00
WriteStringsUtf16	PR	True	False	AllEscaped	29.435 ms	0.0468 ms	0.99	2176.04 KB	1.00
WriteStringsUtf8	Main	True	False	OneEscaped	5.711 ms	0.0149 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	PR	True	False	OneEscaped	NA	NA	?	NA	?
WriteStringsUtf16	Main	True	False	OneEscaped	7.284 ms	0.0237 ms	1.00	136.1 KB	1.00
WriteStringsUtf16	PR	True	False	OneEscaped	7.304 ms	0.0230 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	Main	True	False	NoneEscaped	2.346 ms	0.0910 ms	1.00	68.12 KB	1.00
WriteStringsUtf8	PR	True	False	NoneEscaped	2.279 ms	0.0092 ms	0.97	68.12 KB	1.00
WriteStringsUtf16	Main	True	False	NoneEscaped	3.465 ms	0.0082 ms	1.00	68.12 KB	1.00
WriteStringsUtf16	PR	True	False	NoneEscaped	3.449 ms	0.0086 ms	1.00	68.12 KB	1.00
WriteStringsUtf8	Main	True	True	AllEscaped	30.275 ms	0.0459 ms	1.00	2176.05 KB	1.00
WriteStringsUtf8	PR	True	True	AllEscaped	NA	NA	?	NA	?
WriteStringsUtf16	Main	True	True	AllEscaped	29.461 ms	0.3147 ms	1.00	2176.04 KB	1.00
WriteStringsUtf16	PR	True	True	AllEscaped	29.523 ms	0.1415 ms	1.00	2176.04 KB	1.00
WriteStringsUtf8	Main	True	True	OneEscaped	5.691 ms	0.0189 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	PR	True	True	OneEscaped	NA	NA	?	NA	?
WriteStringsUtf16	Main	True	True	OneEscaped	7.242 ms	0.0188 ms	1.00	136.1 KB	1.00
WriteStringsUtf16	PR	True	True	OneEscaped	7.210 ms	0.0128 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	Main	True	True	NoneEscaped	2.262 ms	0.0115 ms	1.00	68.12 KB	1.00
WriteStringsUtf8	PR	True	True	NoneEscaped	2.293 ms	0.0676 ms	1.01	68.12 KB	1.00
WriteStringsUtf16	Main	True	True	NoneEscaped	3.450 ms	0.0240 ms	1.00	68.12 KB	1.00
WriteStringsUtf16	PR	True	True	NoneEscaped	3.435 ms	0.0141 ms	1.00	68.12 KB	1.00
Benchmarks with issues:
Perf_Strings.WriteStringsUtf8: MediumRun(OutlierMode=DontRemove, Toolchain=PR, IterationCount=15, LaunchCount=2, MemoryRandomization=True, WarmupCount=10) [Formatted=False, SkipValidation=False, Escaped=AllEscaped]
Perf_Strings.WriteStringsUtf8: MediumRun(OutlierMode=DontRemove, Toolchain=PR, IterationCount=15, LaunchCount=2, MemoryRandomization=True, WarmupCount=10) [Formatted=False, SkipValidation=False, Escaped=OneEscaped]
Perf_Strings.WriteStringsUtf8: MediumRun(OutlierMode=DontRemove, Toolchain=PR, IterationCount=15, LaunchCount=2, MemoryRandomization=True, WarmupCount=10) [Formatted=False, SkipValidation=True, Escaped=AllEscaped]
Perf_Strings.WriteStringsUtf8: MediumRun(OutlierMode=DontRemove, Toolchain=PR, IterationCount=15, LaunchCount=2, MemoryRandomization=True, WarmupCount=10) [Formatted=False, SkipValidation=True, Escaped=OneEscaped]
Perf_Strings.WriteStringsUtf8: MediumRun(OutlierMode=DontRemove, Toolchain=PR, IterationCount=15, LaunchCount=2, MemoryRandomization=True, WarmupCount=10) [Formatted=True, SkipValidation=False, Escaped=AllEscaped]
Perf_Strings.WriteStringsUtf8: MediumRun(OutlierMode=DontRemove, Toolchain=PR, IterationCount=15, LaunchCount=2, MemoryRandomization=True, WarmupCount=10) [Formatted=True, SkipValidation=False, Escaped=OneEscaped]
Perf_Strings.WriteStringsUtf8: MediumRun(OutlierMode=DontRemove, Toolchain=PR, IterationCount=15, LaunchCount=2, MemoryRandomization=True, WarmupCount=10) [Formatted=True, SkipValidation=True, Escaped=AllEscaped]
Perf_Strings.WriteStringsUtf8: MediumRun(OutlierMode=DontRemove, Toolchain=PR, IterationCount=15, LaunchCount=2, MemoryRandomization=True, WarmupCount=10) [Formatted=True, SkipValidation=True, Escaped=OneEscaped]

Artifacts:

• BDN_Artifacts.zip (170 KB)
• results.md (12 KB)