Benchmarks for dotnet/runtime#128459 (for @AndyAyersMS)

[EgorBot]

Processing benchmark request from PR dotnet/runtime#128459.

Targets: macos15_helix_arm64, ubuntu24_azure_cobalt100, ubuntu24_azure_emeraldrapids, ubuntu24_azure_turin
Commits: main;PR_128459

• macos15_helix_arm64: live logs
• ubuntu24_azure_cobalt100: live logs
• ubuntu24_azure_emeraldrapids: live logs
• ubuntu24_azure_turin: live logs

Results will be posted here once they are ready.

[EgorBot]

Results for macos15_helix_arm64

@AndyAyersMS

BenchmarkDotNet v0.16.0-nightly.20260518.1249, macOS Sequoia 15.4.1 (24E263) [Darwin 24.4.0]
Apple M4, 1 CPU, 10 logical and 10 physical cores
Memory: 16 GB Total, 4.81 GB Available
.NET SDK 11.0.100-preview.5.26276.113
  [Host]     : .NET 10.0.8 (10.0.8, 10.0.826.23019), Arm64 RyuJIT armv8.0-a

EvaluateOverhead=False  PowerPlanMode=  IterationTime=250ms  
MaxIterationCount=20  MinIterationCount=15  WarmupCount=1  

Method	OutlierMode	Toolchain	MemoryRandomization	repeat	length	Mean	Error	Ratio	Gen0	Gen1	Gen2	Allocated	Alloc Ratio
AppendLine_Strings	Default	main**	Default	?	?	85.59 ns	0.581 ns	1.02	0.1501	0.0007	-	1256 B	1.00
AppendLine_Strings	Default	PR #128459	Default	?	?	84.03 ns	0.764 ns	1.00	0.1500	0.0007	-	1256 B	1.00
Append_Primitives	Default	main	Default	?	?	310.76 ns	0.588 ns	0.99	0.1299	-	-	1096 B	1.00
Append_Primitives	Default	PR #128459	Default	?	?	312.35 ns	0.749 ns	1.00	0.1310	-	-	1096 B	1.00
Append_ValueTypes	Default	main	Default	?	?	678.19 ns	9.163 ns	1.00	0.3412	-	-	2864 B	1.00
Append_ValueTypes	Default	PR #128459	Default	?	?	676.54 ns	12.547 ns	1.00	0.3424	-	-	2864 B	1.00
Append_Memory	Default	main	Default	?	?	199.73 ns	1.052 ns	1.00	0.4335	0.0056	-	3632 B	1.00
Append_Memory	Default	PR #128459	Default	?	?	198.78 ns	1.464 ns	1.00	0.4338	0.0056	-	3632 B	1.00
Append_NonEmptySpan	Default	main	Default	?	?	193.43 ns	0.951 ns	1.00	0.4339	0.0054	-	3632 B	1.00
Append_NonEmptySpan	Default	PR #128459	Default	?	?	193.13 ns	1.721 ns	1.00	0.4335	0.0054	-	3632 B	1.00
Append_ValueTypes_Interpolated	DontRemove	main	True	?	?	850.70 ns	5.788 ns	0.97	0.2569	-	-	2152 B	1.00
Append_ValueTypes_Interpolated	DontRemove	PR #128459	True	?	?	879.26 ns	41.916 ns	1.00	0.2567	-	-	2152 B	1.00
Insert_Primitives	DontRemove	main	True	?	?	7,615.21 ns	482.644 ns	1.02	1.2162	0.0297	-	10416 B	1.00
Insert_Primitives	DontRemove	PR #128459	True	?	?	7,438.55 ns	60.806 ns	1.00	1.2214	0.0298	-	10416 B	1.00
Insert_Strings	DontRemove	main	True	?	?	196.50 ns	12.598 ns	1.04	0.1581	0.0008	-	1328 B	1.00
Insert_Strings	DontRemove	PR #128459	True	?	?	188.81 ns	0.918 ns	1.00	0.1583	0.0008	-	1328 B	1.00
Append_Strings	Default	main**	Default	1	?	77.81 ns	0.488 ns	1.00	0.1491	0.0004	-	1248 B	1.00
Append_Strings	Default	PR #128459	Default	1	?	78.00 ns	0.521 ns	1.00	0.1490	0.0006	-	1248 B	1.00
ctor_capacity	Default	main**	Default	?	100	10.67 ns	0.082 ns	1.02	0.0325	-	-	272 B	1.00
ctor_capacity	Default	PR #128459	Default	?	100	10.46 ns	0.107 ns	1.00	0.0325	-	-	272 B	1.00
ToString_SingleSegment	Default	main	Default	?	100	11.06 ns	0.086 ns	1.01	0.0267	-	-	224 B	1.00
ToString_SingleSegment	Default	PR #128459	Default	?	100	10.97 ns	0.076 ns	1.00	0.0268	-	-	224 B	1.00
ToString_MultipleSegments	Default	main	Default	?	100	14.53 ns	0.092 ns	1.01	0.0267	-	-	224 B	1.00
ToString_MultipleSegments	Default	PR #128459	Default	?	100	14.45 ns	0.046 ns	1.00	0.0267	-	-	224 B	1.00
Append_Char_Capacity	Default	main	Default	?	100	126.40 ns	1.335 ns	0.90	0.0321	-	-	272 B	1.00
Append_Char_Capacity	Default	PR #128459	Default	?	100	140.09 ns	0.455 ns	1.00	0.0324	-	-	272 B	1.00
ctor_string	DontRemove	main	True	?	100	13.81 ns	0.127 ns	0.99	0.0325	-	-	272 B	1.00
ctor_string	DontRemove	PR #128459	True	?	100	14.01 ns	0.935 ns	1.00	0.0325	-	-	272 B	1.00
Append_Char	DontRemove	main	True	?	100	140.69 ns	1.913 ns	0.98	0.0650	-	-	544 B	1.00
Append_Char	DontRemove	PR #128459	True	?	100	143.75 ns	6.965 ns	1.00	0.0646	-	-	544 B	1.00
Append_Strings	Default	main**	Default	1000	?	26,717.46 ns	221.112 ns	1.00	66.7301	51.2902	-	559264 B	1.00
Append_Strings	Default	PR #128459	Default	1000	?	26,722.92 ns	272.967 ns	1.00	66.7301	51.2902	-	559264 B	1.00
ctor_capacity	Default	main**	Default	?	100000	6,169.16 ns	103.427 ns	1.00	62.4754	62.4754	62.4754	200111 B	1.00
ctor_capacity	Default	PR #128459	Default	?	100000	6,162.69 ns	94.731 ns	1.00	62.4755	62.4755	62.4755	200111 B	1.00
ToString_SingleSegment	Default	main	Default	?	100000	15,300.24 ns	273.155 ns	0.99	62.4393	62.4393	62.4393	200063 B	1.00
ToString_SingleSegment	Default	PR #128459	Default	?	100000	15,473.62 ns	262.509 ns	1.00	62.4394	62.4394	62.4394	200063 B	1.00
ToString_MultipleSegments	Default	main	Default	?	100000	16,549.07 ns	236.472 ns	1.00	62.4339	62.4339	62.4339	200063 B	1.00
ToString_MultipleSegments	Default	PR #128459	Default	?	100000	16,586.53 ns	270.150 ns	1.00	62.4359	62.4359	62.4359	200063 B	1.00
Append_Char_Capacity	Default	main	Default	?	100000	149,747.59 ns	166.492 ns	1.00	61.9048	61.9048	61.9048	200111 B	1.00
Append_Char_Capacity	Default	PR #128459	Default	?	100000	149,761.52 ns	116.104 ns	1.00	61.9048	61.9048	61.9048	200111 B	1.00
ctor_string	DontRemove	main	True	?	100000	15,523.55 ns	1,103.524 ns	1.02	62.4408	62.4408	62.4408	200111 B	1.00
ctor_string	DontRemove	PR #128459	True	?	100000	15,213.37 ns	287.471 ns	1.00	62.4398	62.4398	62.4398	200111 B	1.00
Append_Char	DontRemove	main	True	?	100000	142,943.99 ns	8,090.649 ns	1.02	24.8894	11.0619	-	209968 B	1.00
Append_Char	DontRemove	PR #128459	True	?	100000	139,489.16 ns	135.006 ns	1.00	24.5536	11.1607	-	209968 B	1.00

Full logs

[EgorBot]

Results for ubuntu24_azure_turin

@AndyAyersMS

BenchmarkDotNet v0.16.0-nightly.20260518.1249, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V45 2.60GHz, 1 CPU, 8 logical and 4 physical cores
Memory: 31.34 GB Total, 4.97 GB Available
.NET SDK 11.0.100-preview.5.26276.113
  [Host]     : .NET 10.0.8 (10.0.8, 10.0.826.23019), X64 RyuJIT x86-64-v4

EvaluateOverhead=False  PowerPlanMode=  IterationTime=250ms  
MaxIterationCount=20  MinIterationCount=15  WarmupCount=1  

Method	OutlierMode	Toolchain	MemoryRandomization	repeat	length	Mean	Error	Ratio	Gen0	Gen1	Gen2	Allocated	Alloc Ratio
AppendLine_Strings	Default	main**	Default	?	?	79.784 ns	0.3745 ns	1.00	0.0750	0.0003	-	1256 B	1.00
AppendLine_Strings	Default	PR #128459	Default	?	?	80.158 ns	0.7406 ns	1.00	0.0750	0.0003	-	1256 B	1.00
Append_Primitives	Default	main	Default	?	?	359.152 ns	2.1424 ns	1.01	0.0646	-	-	1096 B	1.00
Append_Primitives	Default	PR #128459	Default	?	?	356.039 ns	3.1296 ns	1.00	0.0650	-	-	1096 B	1.00
Append_ValueTypes	Default	main	Default	?	?	562.089 ns	2.6205 ns	0.99	0.1690	-	-	2832 B	1.00
Append_ValueTypes	Default	PR #128459	Default	?	?	566.072 ns	1.6358 ns	1.00	0.1692	-	-	2832 B	1.00
Append_Memory	Default	main	Default	?	?	167.033 ns	1.9152 ns	1.02	0.2166	0.0026	-	3632 B	1.00
Append_Memory	Default	PR #128459	Default	?	?	164.232 ns	0.9610 ns	1.00	0.2170	0.0026	-	3632 B	1.00
Append_NonEmptySpan	Default	main	Default	?	?	160.166 ns	1.4418 ns	0.99	0.2166	0.0026	-	3632 B	1.00
Append_NonEmptySpan	Default	PR #128459	Default	?	?	161.557 ns	2.2375 ns	1.00	0.2170	0.0025	-	3632 B	1.00
Append_ValueTypes_Interpolated	DontRemove	main	True	?	?	676.575 ns	3.2373 ns	1.00	0.1267	-	-	2152 B	1.00
Append_ValueTypes_Interpolated	DontRemove	PR #128459	True	?	?	677.778 ns	5.9910 ns	1.00	0.1265	-	-	2152 B	1.00
Insert_Primitives	DontRemove	main	True	?	?	9,176.188 ns	74.1780 ns	1.01	0.6195	-	-	10416 B	1.00
Insert_Primitives	DontRemove	PR #128459	True	?	?	9,127.839 ns	60.0066 ns	1.00	0.6185	-	-	10416 B	1.00
Insert_Strings	DontRemove	main	True	?	?	195.790 ns	3.0339 ns	1.02	0.0788	-	-	1328 B	1.00
Insert_Strings	DontRemove	PR #128459	True	?	?	191.519 ns	3.1678 ns	1.00	0.0790	-	-	1328 B	1.00
Append_Strings	Default	main**	Default	1	?	76.547 ns	0.3590 ns	1.00	0.0745	0.0003	-	1248 B	1.00
Append_Strings	Default	PR #128459	Default	1	?	76.312 ns	0.7006 ns	1.00	0.0745	0.0003	-	1248 B	1.00
ctor_capacity	Default	main**	Default	?	100	10.372 ns	0.0669 ns	1.00	0.0162	-	-	272 B	1.00
ctor_capacity	Default	PR #128459	Default	?	100	10.369 ns	0.1664 ns	1.00	0.0163	-	-	272 B	1.00
ToString_SingleSegment	Default	main	Default	?	100	9.669 ns	0.1780 ns	1.00	0.0134	-	-	224 B	1.00
ToString_SingleSegment	Default	PR #128459	Default	?	100	9.627 ns	0.0997 ns	1.00	0.0134	-	-	224 B	1.00
ToString_MultipleSegments	Default	main	Default	?	100	14.018 ns	0.1441 ns	1.00	0.0133	-	-	224 B	1.00
ToString_MultipleSegments	Default	PR #128459	Default	?	100	14.076 ns	0.2729 ns	1.00	0.0134	-	-	224 B	1.00
Append_Char_Capacity	Default	main	Default	?	100	41.782 ns	0.1854 ns	0.98	0.0161	-	-	272 B	1.00
Append_Char_Capacity	Default	PR #128459	Default	?	100	42.444 ns	0.3128 ns	1.00	0.0161	-	-	272 B	1.00
ctor_string	DontRemove	main	True	?	100	12.569 ns	0.2059 ns	0.96	0.0162	-	-	272 B	1.00
ctor_string	DontRemove	PR #128459	True	?	100	13.070 ns	0.2608 ns	1.00	0.0162	-	-	272 B	1.00
Append_Char	DontRemove	main	True	?	100	68.860 ns	0.5503 ns	1.02	0.0324	-	-	544 B	1.00
Append_Char	DontRemove	PR #128459	True	?	100	67.695 ns	0.3868 ns	1.00	0.0324	-	-	544 B	1.00
Append_Strings	Default	main**	Default	1000	?	17,257.428 ns	326.3587 ns	0.98	33.3991	24.6618	-	559264 B	1.00
Append_Strings	Default	PR #128459	Default	1000	?	17,618.112 ns	342.0409 ns	1.00	33.3724	24.6633	-	559264 B	1.00
ctor_capacity	Default	main**	Default	?	100000	9,086.400 ns	24.7859 ns	0.99	62.4638	62.4638	62.4638	200111 B	1.00
ctor_capacity	Default	PR #128459	Default	?	100000	9,144.169 ns	54.5346 ns	1.00	62.4636	62.4636	62.4636	200111 B	1.00
ToString_SingleSegment	Default	main	Default	?	100000	68,983.789 ns	556.7499 ns	1.00	62.2283	62.2283	62.2283	200063 B	1.00
ToString_SingleSegment	Default	PR #128459	Default	?	100000	69,154.681 ns	611.1139 ns	1.00	62.2271	62.2271	62.2271	200063 B	1.00
ToString_MultipleSegments	Default	main	Default	?	100000	100,857.935 ns	670.5722 ns	1.01	62.1019	62.1019	62.1019	200063 B	1.00
ToString_MultipleSegments	Default	PR #128459	Default	?	100000	100,274.963 ns	720.4193 ns	1.00	62.0994	62.0994	62.0994	200063 B	1.00
Append_Char_Capacity	Default	main	Default	?	100000	96,263.972 ns	365.6118 ns	1.00	62.1166	62.1166	62.1166	200111 B	1.00
Append_Char_Capacity	Default	PR #128459	Default	?	100000	96,655.377 ns	524.0036 ns	1.00	62.1142	62.1142	62.1142	200111 B	1.00
ctor_string	DontRemove	main	True	?	100000	70,472.482 ns	2,613.2568 ns	1.01	62.2247	62.2247	62.2247	200111 B	1.00
ctor_string	DontRemove	PR #128459	True	?	100000	70,122.237 ns	2,405.4794 ns	1.00	62.2247	62.2247	62.2247	200111 B	1.00
Append_Char	DontRemove	main	True	?	100000	48,195.254 ns	243.0296 ns	0.99	12.4617	4.2178	-	209968 B	1.00
Append_Char	DontRemove	PR #128459	True	?	100000	48,543.314 ns	668.6672 ns	1.00	12.4617	4.2178	-	209968 B	1.00

Full logs

[EgorBot]

ubuntu24_azure_cobalt100 — Failed

@AndyAyersMS

Agent failed with exit code 1

Job | Full logs

[EgorBot]

Results for ubuntu24_azure_emeraldrapids

@AndyAyersMS

BenchmarkDotNet v0.16.0-nightly.20260518.1249, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
INTEL XEON PLATINUM 8573C 2.30GHz, 1 CPU, 8 logical and 4 physical cores
Memory: 31.34 GB Total, 4.9 GB Available
.NET SDK 11.0.100-preview.5.26276.113
  [Host]     : .NET 10.0.8 (10.0.8, 10.0.826.23019), X64 RyuJIT x86-64-v4

EvaluateOverhead=False  PowerPlanMode=  IterationTime=250ms  
MaxIterationCount=20  MinIterationCount=15  WarmupCount=1  

Method	OutlierMode	Toolchain	MemoryRandomization	repeat	length	Mean	Error	Ratio	Gen0	Gen1	Gen2	Allocated	Alloc Ratio
AppendLine_Strings	Default	main**	Default	?	?	134.86 ns	1.284 ns	0.99	0.0146	-	-	1256 B	1.00
AppendLine_Strings	Default	PR #128459	Default	?	?	136.26 ns	0.541 ns	1.00	0.0147	-	-	1256 B	1.00
Append_Primitives	Default	main	Default	?	?	578.38 ns	6.813 ns	1.03	0.0115	-	-	1096 B	1.00
Append_Primitives	Default	PR #128459	Default	?	?	563.98 ns	2.677 ns	1.00	0.0112	-	-	1096 B	1.00
Append_ValueTypes	Default	main	Default	?	?	962.17 ns	7.750 ns	1.01	0.0308	-	-	2832 B	1.00
Append_ValueTypes	Default	PR #128459	Default	?	?	953.75 ns	5.620 ns	1.00	0.0304	-	-	2832 B	1.00
Append_Memory	Default	main	Default	?	?	318.72 ns	19.683 ns	1.06	0.0424	-	-	3632 B	1.00
Append_Memory	Default	PR #128459	Default	?	?	299.80 ns	0.576 ns	1.00	0.0430	-	-	3632 B	1.00
Append_NonEmptySpan	Default	main	Default	?	?	283.40 ns	0.848 ns	0.96	0.0432	-	-	3632 B	1.00
Append_NonEmptySpan	Default	PR #128459	Default	?	?	294.45 ns	0.838 ns	1.00	0.0423	-	-	3632 B	1.00
Append_ValueTypes_Interpolated	DontRemove	main	True	?	?	1,091.28 ns	7.930 ns	1.01	0.0220	-	-	2152 B	1.00
Append_ValueTypes_Interpolated	DontRemove	PR #128459	True	?	?	1,078.13 ns	8.730 ns	1.00	0.0215	-	-	2152 B	1.00
Insert_Primitives	DontRemove	main	True	?	?	13,110.44 ns	126.084 ns	1.01	0.1040	-	-	10416 B	1.00
Insert_Primitives	DontRemove	PR #128459	True	?	?	12,979.26 ns	73.675 ns	1.00	0.1035	-	-	10416 B	1.00
Insert_Strings	DontRemove	main	True	?	?	347.50 ns	2.669 ns	1.05	0.0152	-	-	1328 B	1.00
Insert_Strings	DontRemove	PR #128459	True	?	?	329.88 ns	2.078 ns	1.00	0.0158	-	-	1328 B	1.00
Append_Strings	Default	main**	Default	1	?	130.66 ns	0.436 ns	1.00	0.0146	-	-	1248 B	1.00
Append_Strings	Default	PR #128459	Default	1	?	131.22 ns	0.243 ns	1.00	0.0147	-	-	1248 B	1.00
ctor_capacity	Default	main**	Default	?	100	18.06 ns	0.042 ns	1.01	0.0032	-	-	272 B	1.00
ctor_capacity	Default	PR #128459	Default	?	100	17.95 ns	0.076 ns	1.00	0.0032	-	-	272 B	1.00
ToString_SingleSegment	Default	main	Default	?	100	16.00 ns	0.023 ns	0.95	0.0026	-	-	224 B	1.00
ToString_SingleSegment	Default	PR #128459	Default	?	100	16.80 ns	0.045 ns	1.00	0.0027	-	-	224 B	1.00
ToString_MultipleSegments	Default	main	Default	?	100	21.71 ns	0.101 ns	1.00	0.0027	-	-	224 B	1.00
ToString_MultipleSegments	Default	PR #128459	Default	?	100	21.66 ns	0.048 ns	1.00	0.0026	-	-	224 B	1.00
Append_Char_Capacity	Default	main	Default	?	100	138.53 ns	16.372 ns	0.73	0.0026	-	-	272 B	1.00
Append_Char_Capacity	Default	PR #128459	Default	?	100	190.91 ns	5.368 ns	1.00	0.0028	-	-	272 B	1.00
ctor_string	DontRemove	main	True	?	100	22.23 ns	0.033 ns	1.03	0.0032	-	-	272 B	1.00
ctor_string	DontRemove	PR #128459	True	?	100	21.56 ns	0.050 ns	1.00	0.0032	-	-	272 B	1.00
Append_Char	DontRemove	main	True	?	100	189.44 ns	4.256 ns	1.19	0.0060	-	-	544 B	1.00
Append_Char	DontRemove	PR #128459	True	?	100	158.94 ns	3.067 ns	1.00	0.0062	-	-	544 B	1.00
Append_Strings	Default	main**	Default	1000	?	41,867.75 ns	117.853 ns	1.02	6.6845	6.5174	-	559264 B	1.00
Append_Strings	Default	PR #128459	Default	1000	?	41,085.86 ns	107.561 ns	1.00	6.5274	6.3642	-	559264 B	1.00
ctor_capacity	Default	main**	Default	?	100000	7,279.32 ns	24.189 ns	1.00	62.4712	62.4712	62.4712	200111 B	1.00
ctor_capacity	Default	PR #128459	Default	?	100000	7,297.75 ns	28.063 ns	1.00	62.4711	62.4711	62.4711	200111 B	1.00
ToString_SingleSegment	Default	main	Default	?	100000	62,036.75 ns	274.901 ns	1.00	62.2520	62.2520	62.2520	200063 B	1.00
ToString_SingleSegment	Default	PR #128459	Default	?	100000	62,183.81 ns	202.209 ns	1.00	62.2520	62.2520	62.2520	200063 B	1.00
ToString_MultipleSegments	Default	main	Default	?	100000	96,766.65 ns	2,295.648 ns	1.04	62.1069	62.1069	62.1069	200063 B	1.00
ToString_MultipleSegments	Default	PR #128459	Default	?	100000	93,449.45 ns	1,160.440 ns	1.00	62.1302	62.1302	62.1302	200063 B	1.00
Append_Char_Capacity	Default	main	Default	?	100000	209,751.70 ns	1,413.555 ns	1.35	61.6554	61.6554	61.6554	200110 B	1.00
Append_Char_Capacity	Default	PR #128459	Default	?	100000	155,665.21 ns	826.626 ns	1.00	61.8812	61.8812	61.8812	200111 B	1.00
ctor_string	DontRemove	main	True	?	100000	62,868.89 ns	1,745.812 ns	0.98	62.2539	62.2539	62.2539	200111 B	1.00
ctor_string	DontRemove	PR #128459	True	?	100000	64,365.06 ns	1,902.549 ns	1.00	62.2520	62.2520	62.2520	200111 B	1.00
Append_Char	DontRemove	main	True	?	100000	68,648.95 ns	366.792 ns	1.00	2.4671	0.8224	-	209968 B	1.00
Append_Char	DontRemove	PR #128459	True	?	100000	68,913.60 ns	626.561 ns	1.00	2.4780	0.8260	-	209968 B	1.00

Full logs