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

[MihuBot]

Job completed in 1 hour 8 minutes (remote runner delay: 7 minutes 58 seconds).
dotnet/runtime#129803
Using arguments: benchmark Perf_Strings -medium
Main commit: dotnet/runtime@37d45de
PR commit: MihaZupan/runtime@7684cdc

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, 4.68 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	30.338 ms	0.1031 ms	1.00	2176.13 KB	1.00
WriteStringsUtf8	PR	False	False	AllEscaped	21.786 ms	0.1112 ms	0.72	2176.14 KB	1.00
WriteStringsUtf16	Main	False	False	AllEscaped	29.379 ms	0.1212 ms	1.00	2176.24 KB	1.00
WriteStringsUtf16	PR	False	False	AllEscaped	23.964 ms	0.3052 ms	0.82	2176.23 KB	1.00
WriteStringsUtf8	Main	False	False	OneEscaped	5.434 ms	0.0190 ms	1.00	136.12 KB	1.00
WriteStringsUtf8	PR	False	False	OneEscaped	5.400 ms	0.2374 ms	0.99	136.12 KB	1.00
WriteStringsUtf16	Main	False	False	OneEscaped	7.105 ms	0.0206 ms	1.00	136.13 KB	1.00
WriteStringsUtf16	PR	False	False	OneEscaped	7.087 ms	0.0610 ms	1.00	272.13 KB	2.00
WriteStringsUtf8	Main	False	False	NoneEscaped	1.846 ms	0.0067 ms	1.00	34.13 KB	1.00
WriteStringsUtf8	PR	False	False	NoneEscaped	1.859 ms	0.0084 ms	1.01	34.13 KB	1.00
WriteStringsUtf16	Main	False	False	NoneEscaped	3.293 ms	0.0224 ms	1.00	68.12 KB	1.00
WriteStringsUtf16	PR	False	False	NoneEscaped	3.293 ms	0.0095 ms	1.00	68.12 KB	1.00
WriteStringsUtf8	Main	False	True	AllEscaped	30.171 ms	0.0479 ms	1.00	2176.13 KB	1.00
WriteStringsUtf8	PR	False	True	AllEscaped	21.798 ms	0.2355 ms	0.72	2176.05 KB	1.00
WriteStringsUtf16	Main	False	True	AllEscaped	29.649 ms	0.5526 ms	1.00	2176.23 KB	1.00
WriteStringsUtf16	PR	False	True	AllEscaped	23.488 ms	0.0363 ms	0.79	2176.04 KB	1.00
WriteStringsUtf8	Main	False	True	OneEscaped	5.376 ms	0.0120 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	PR	False	True	OneEscaped	5.265 ms	0.0178 ms	0.98	136.1 KB	1.00
WriteStringsUtf16	Main	False	True	OneEscaped	7.056 ms	0.0160 ms	1.00	136.1 KB	1.00
WriteStringsUtf16	PR	False	True	OneEscaped	6.995 ms	0.0166 ms	0.99	136.1 KB	1.00
WriteStringsUtf8	Main	False	True	NoneEscaped	1.816 ms	0.0103 ms	1.00	34.13 KB	1.00
WriteStringsUtf8	PR	False	True	NoneEscaped	1.810 ms	0.0093 ms	1.00	34.13 KB	1.00
WriteStringsUtf16	Main	False	True	NoneEscaped	3.267 ms	0.0119 ms	1.00	68.12 KB	1.00
WriteStringsUtf16	PR	False	True	NoneEscaped	3.283 ms	0.0111 ms	1.01	68.12 KB	1.00
WriteStringsUtf8	Main	True	False	AllEscaped	33.004 ms	1.7328 ms	1.00	2176.05 KB	1.00
WriteStringsUtf8	PR	True	False	AllEscaped	22.234 ms	0.1917 ms	0.68	2176.05 KB	1.00
WriteStringsUtf16	Main	True	False	AllEscaped	30.377 ms	1.5128 ms	1.00	2176.04 KB	1.00
WriteStringsUtf16	PR	True	False	AllEscaped	23.563 ms	0.0339 ms	0.78	2176.04 KB	1.00
WriteStringsUtf8	Main	True	False	OneEscaped	5.731 ms	0.0140 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	PR	True	False	OneEscaped	5.599 ms	0.0135 ms	0.98	136.1 KB	1.00
WriteStringsUtf16	Main	True	False	OneEscaped	7.296 ms	0.0147 ms	1.00	136.1 KB	1.00
WriteStringsUtf16	PR	True	False	OneEscaped	7.261 ms	0.0208 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	Main	True	False	NoneEscaped	2.289 ms	0.0112 ms	1.00	68.12 KB	1.00
WriteStringsUtf8	PR	True	False	NoneEscaped	2.305 ms	0.0129 ms	1.01	68.12 KB	1.00
WriteStringsUtf16	Main	True	False	NoneEscaped	3.450 ms	0.0081 ms	1.00	68.12 KB	1.00
WriteStringsUtf16	PR	True	False	NoneEscaped	3.471 ms	0.0169 ms	1.01	68.12 KB	1.00
WriteStringsUtf8	Main	True	True	AllEscaped	30.533 ms	0.0683 ms	1.00	2176.05 KB	1.00
WriteStringsUtf8	PR	True	True	AllEscaped	21.949 ms	0.0925 ms	0.72	2176.05 KB	1.00
WriteStringsUtf16	Main	True	True	AllEscaped	29.449 ms	0.0715 ms	1.00	2176.04 KB	1.00
WriteStringsUtf16	PR	True	True	AllEscaped	23.475 ms	0.0329 ms	0.80	2176.04 KB	1.00
WriteStringsUtf8	Main	True	True	OneEscaped	5.715 ms	0.0166 ms	1.00	136.1 KB	1.00
WriteStringsUtf8	PR	True	True	OneEscaped	5.604 ms	0.0173 ms	0.98	136.1 KB	1.00
WriteStringsUtf16	Main	True	True	OneEscaped	7.237 ms	0.0176 ms	1.00	136.1 KB	1.00
WriteStringsUtf16	PR	True	True	OneEscaped	7.184 ms	0.0179 ms	0.99	136.1 KB	1.00
WriteStringsUtf8	Main	True	True	NoneEscaped	2.287 ms	0.0828 ms	1.00	68.12 KB	1.00
WriteStringsUtf8	PR	True	True	NoneEscaped	2.266 ms	0.0098 ms	0.99	68.12 KB	1.00
WriteStringsUtf16	Main	True	True	NoneEscaped	3.473 ms	0.0150 ms	1.00	68.12 KB	1.00
WriteStringsUtf16	PR	True	True	NoneEscaped	3.448 ms	0.0103 ms	0.99	68.12 KB	1.00

Artifacts:

• BDN_Artifacts.zip (186 KB)
• results.md (10 KB)