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

[MihuBot]

Job completed in 1 hour 3 minutes (remote runner delay: 1 minute 34 seconds).
dotnet/runtime#129803
Using arguments: benchmark Perf_Strings -medium
Main commit: dotnet/runtime@9c1fdae
PR commit: MihaZupan/runtime@3f2302b

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, 4.92 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	30.806 ms	0.4841 ms	1.00	4352.16 KB	1.00
WriteStringsUtf8	PR	False	False	AllEscaped	21.812 ms	0.0767 ms	0.71	2176.13 KB	0.50
WriteStringsUtf16	Main	False	False	AllEscaped	29.416 ms	0.1771 ms	1.00	2176.23 KB	1.00
WriteStringsUtf16	PR	False	False	AllEscaped	29.479 ms	0.1541 ms	1.00	2176.26 KB	1.00
WriteStringsUtf8	Main	False	False	OneEscaped	5.442 ms	0.0240 ms	1.00	136.12 KB	1.00
WriteStringsUtf8	PR	False	False	OneEscaped	5.338 ms	0.0235 ms	0.98	136.12 KB	1.00
WriteStringsUtf16	Main	False	False	OneEscaped	7.136 ms	0.0180 ms	1.00	136.13 KB	1.00
WriteStringsUtf16	PR	False	False	OneEscaped	7.100 ms	0.0172 ms	0.99	136.13 KB	1.00
WriteStringsUtf8	Main	False	False	NoneEscaped	1.859 ms	0.0101 ms	1.00	34.13 KB	1.00
WriteStringsUtf8	PR	False	False	NoneEscaped	1.875 ms	0.0167 ms	1.01	34.13 KB	1.00
WriteStringsUtf16	Main	False	False	NoneEscaped	3.301 ms	0.0100 ms	1.00	68.12 KB	1.00
WriteStringsUtf16	PR	False	False	NoneEscaped	3.327 ms	0.0633 ms	1.01	68.12 KB	1.00
WriteStringsUtf8	Main	False	True	AllEscaped	30.625 ms	0.7438 ms	1.00	2176.14 KB	1.00
WriteStringsUtf8	PR	False	True	AllEscaped	21.705 ms	0.0408 ms	0.71	2176.05 KB	1.00
WriteStringsUtf16	Main	False	True	AllEscaped	29.472 ms	0.2190 ms	1.00	2176.04 KB	1.00
WriteStringsUtf16	PR	False	True	AllEscaped	29.824 ms	0.4920 ms	1.01	2176.04 KB	1.00
WriteStringsUtf8	Main	False	True	OneEscaped	5.410 ms	0.0197 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	PR	False	True	OneEscaped	5.273 ms	0.0225 ms	0.97	136.1 KB	1.00
WriteStringsUtf16	Main	False	True	OneEscaped	7.086 ms	0.0238 ms	1.00	136.1 KB	1.00
WriteStringsUtf16	PR	False	True	OneEscaped	7.072 ms	0.0180 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	Main	False	True	NoneEscaped	1.832 ms	0.0084 ms	1.00	34.13 KB	1.00
WriteStringsUtf8	PR	False	True	NoneEscaped	1.834 ms	0.0096 ms	1.00	34.13 KB	1.00
WriteStringsUtf16	Main	False	True	NoneEscaped	3.290 ms	0.0150 ms	1.00	68.12 KB	1.00
WriteStringsUtf16	PR	False	True	NoneEscaped	3.282 ms	0.0150 ms	1.00	68.12 KB	1.00
WriteStringsUtf8	Main	True	False	AllEscaped	30.510 ms	0.0523 ms	1.00	2176.05 KB	1.00
WriteStringsUtf8	PR	True	False	AllEscaped	25.121 ms	3.3172 ms	0.82	2176.05 KB	1.00
WriteStringsUtf16	Main	True	False	AllEscaped	29.473 ms	0.1377 ms	1.00	4642.06 KB	1.00
WriteStringsUtf16	PR	True	False	AllEscaped	29.561 ms	0.1220 ms	1.00	2176.04 KB	0.47
WriteStringsUtf8	Main	True	False	OneEscaped	5.726 ms	0.0156 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	PR	True	False	OneEscaped	5.610 ms	0.0120 ms	0.98	136.1 KB	1.00
WriteStringsUtf16	Main	True	False	OneEscaped	7.268 ms	0.0175 ms	1.00	136.1 KB	1.00
WriteStringsUtf16	PR	True	False	OneEscaped	7.306 ms	0.0351 ms	1.01	136.1 KB	1.00
WriteStringsUtf8	Main	True	False	NoneEscaped	2.310 ms	0.0103 ms	1.00	68.12 KB	1.00
WriteStringsUtf8	PR	True	False	NoneEscaped	2.319 ms	0.0626 ms	1.00	68.12 KB	1.00
WriteStringsUtf16	Main	True	False	NoneEscaped	3.484 ms	0.0150 ms	1.00	68.12 KB	1.00
WriteStringsUtf16	PR	True	False	NoneEscaped	3.466 ms	0.0112 ms	0.99	68.12 KB	1.00
WriteStringsUtf8	Main	True	True	AllEscaped	30.493 ms	0.1379 ms	1.00	2176.05 KB	1.00
WriteStringsUtf8	PR	True	True	AllEscaped	21.984 ms	0.0650 ms	0.72	2176.05 KB	1.00
WriteStringsUtf16	Main	True	True	AllEscaped	29.493 ms	0.0936 ms	1.00	2176.04 KB	1.00
WriteStringsUtf16	PR	True	True	AllEscaped	29.819 ms	0.1110 ms	1.01	2176.04 KB	1.00
WriteStringsUtf8	Main	True	True	OneEscaped	5.758 ms	0.0207 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	PR	True	True	OneEscaped	5.613 ms	0.0176 ms	0.97	136.1 KB	1.00
WriteStringsUtf16	Main	True	True	OneEscaped	7.263 ms	0.0232 ms	1.00	136.1 KB	1.00
WriteStringsUtf16	PR	True	True	OneEscaped	7.292 ms	0.0174 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	Main	True	True	NoneEscaped	2.278 ms	0.0111 ms	1.00	68.12 KB	1.00
WriteStringsUtf8	PR	True	True	NoneEscaped	2.290 ms	0.0142 ms	1.01	68.12 KB	1.00
WriteStringsUtf16	Main	True	True	NoneEscaped	3.430 ms	0.0101 ms	1.00	68.12 KB	1.00
WriteStringsUtf16	PR	True	True	NoneEscaped	3.427 ms	0.0091 ms	1.00	68.12 KB	1.00

Artifacts:

• BDN_Artifacts.zip (191 KB)
• results.md (10 KB)