[Benchmark ARM64] [xtqqczze] Optimise `Guid.DecodeByte`

[MihuBot]

Job completed in 40 minutes 57 seconds (remote runner delay: 44 seconds).
dotnet/runtime#116574
Using arguments: benchmark Perf_Guid -medium -arm

System.Tests.Perf_Guid

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
Unknown processor, 8 physical cores
MediumRun : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
Job=MediumRun  IterationCount=15  LaunchCount=2
WarmupCount=10

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
NewGuid	Main	360.7914 ns	0.2896 ns	1.00	-	NA
NewGuid	PR	360.4806 ns	0.2844 ns	1.00	-	NA
ctor_bytes	Main	0.6046 ns	0.0232 ns	1.00	-	NA
ctor_bytes	PR	0.5415 ns	0.0002 ns	0.90	-	NA
EqualsSame	Main	0.3042 ns	0.0399 ns	1.03	-	NA
EqualsSame	PR	0.1276 ns	0.0856 ns	0.43	-	NA
EqualsNotSame	Main	0.1779 ns	0.1209 ns	?	-	?
EqualsNotSame	PR	0.0000 ns	0.0000 ns	?	-	?
EqualsOperator	Main	0.2288 ns	0.0908 ns	1.52	-	NA
EqualsOperator	PR	0.2377 ns	0.0930 ns	1.58	-	NA
NotEqualsOperator	Main	0.4406 ns	0.0009 ns	1.000	-	NA
NotEqualsOperator	PR	0.0000 ns	0.0000 ns	0.000	-	NA
ParseExactD	Main	18.5836 ns	0.0154 ns	1.00	-	NA
ParseExactD	PR	13.9214 ns	0.0105 ns	0.75	-	NA
GuidToString	Main	11.3054 ns	0.0902 ns	1.00	96 B	1.00
GuidToString	PR	11.2633 ns	0.0959 ns	1.00	96 B	1.00
TryWriteBytes	Main	0.0000 ns	0.0000 ns	?	-	?
TryWriteBytes	PR	0.0000 ns	0.0000 ns	?	-	?
ctor_str	Main	18.8576 ns	0.0353 ns	1.00	-	NA
ctor_str	PR	13.9297 ns	0.0096 ns	0.74	-	NA
Parse	Main	18.8300 ns	0.0395 ns	1.00	-	NA
Parse	PR	13.9466 ns	0.0549 ns	0.74	-	NA

System.Text.Json.Tests.Perf_Guids

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
Unknown processor, 8 physical cores
MediumRun : .NET 10.0.0 (42.42.42.42424), Arm64 RyuJIT AdvSIMD
Job=MediumRun  OutlierMode=DontRemove  IterationCount=15
LaunchCount=2  MemoryRandomization=True  WarmupCount=10

Method	Toolchain	Formatted	SkipValidation	Mean	Error	Ratio	Allocated	Alloc Ratio
WriteGuids	Main	False	False	708.2 μs	2.76 μs	1.00	8.63 KB	1.00
WriteGuids	PR	False	False	709.6 μs	2.94 μs	1.00	8.63 KB	1.00
WriteGuids	Main	False	True	685.1 μs	2.12 μs	1.00	8.63 KB	1.00
WriteGuids	PR	False	True	681.6 μs	3.56 μs	0.99	8.63 KB	1.00
WriteGuids	Main	True	False	1,083.1 μs	4.41 μs	1.00	17.13 KB	1.00
WriteGuids	PR	True	False	1,079.9 μs	3.04 μs	1.00	17.13 KB	1.00
WriteGuids	Main	True	True	1,091.8 μs	2.72 μs	1.00	17.13 KB	1.00
WriteGuids	PR	True	True	1,093.9 μs	3.57 μs	1.00	17.13 KB	1.00

Artifacts:

• BDN_Artifacts.zip (189 KB)
• results.md (5 KB)

[xtqqczze]

xtqqczze/dotnet-runtime@012d58e