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Updated xunit.runner.visualstudio from 3.1.5 to 4.0.0.

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Sourced from xunit.runner.visualstudio's releases.

4.0.0

Release notes: https://xunit.net/releases/visualstudio/4.0.0

4.0.0-pre.5

Release notes: https://xunit.net/releases/visualstudio/4.0.0-pre.5

4.0.0-pre.4

Release notes: https://xunit.net/releases/visualstudio/4.0.0-pre.4

4.0.0-pre.3

Release notes: https://xunit.net/releases/visualstudio/4.0.0-pre.3

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Updated xunit.v3.mtp-v2 from 3.2.2 to 4.0.1.

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Bumps xunit.runner.visualstudio from 3.1.5 to 4.0.0
Bumps xunit.v3.mtp-v2 from 3.2.2 to 4.0.1

---
updated-dependencies:
- dependency-name: xunit.runner.visualstudio
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: test
- dependency-name: xunit.runner.visualstudio
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: test
- dependency-name: xunit.v3.mtp-v2
  dependency-version: 4.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: test
- dependency-name: xunit.v3.mtp-v2
  dependency-version: 4.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: test
...

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Benchmark Results

Measured on ubuntu-latest (GitHub Actions). Runner noise may affect absolute numbers; use these for relative comparisons within a PR.

Benchmarks.Perf.AsyncReaderBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
AMD EPYC 9V74 2.87GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.401
  [Host]     : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1  

Method Count Mean Error StdDev Ratio Gen0 Allocated Alloc Ratio
GeneratedReader_ReadAsync 100 4.945 μs 0.0260 μs 0.0040 μs 0.65 0.2518 4248 B 0.23
SpanReader_ReadAsync 100 6.946 μs 0.0301 μs 0.0078 μs 0.92 0.2518 4264 B 0.23
Naive_ReadLineAsync 100 7.558 μs 0.2161 μs 0.0561 μs 1.00 1.0986 18424 B 1.00
GeneratedReader_ReadAsync_Pooled 100 9.207 μs 0.2362 μs 0.0613 μs 1.22 0.0153 328 B 0.02
SpanReader_ReadAsync_Pooled 100 11.399 μs 0.1967 μs 0.0511 μs 1.51 0.0153 344 B 0.02
GeneratedReader_ReadAsync 1000 48.686 μs 0.9930 μs 0.2579 μs 0.64 2.3193 39528 B 0.216
SpanReader_ReadAsync 1000 69.956 μs 1.0499 μs 0.2727 μs 0.93 2.3193 39544 B 0.216
Naive_ReadLineAsync 1000 75.578 μs 2.1093 μs 0.3264 μs 1.00 10.8643 183304 B 1.000
GeneratedReader_ReadAsync_Pooled 1000 90.228 μs 1.9908 μs 0.3081 μs 1.19 - 328 B 0.002
SpanReader_ReadAsync_Pooled 1000 123.505 μs 0.7616 μs 0.1179 μs 1.63 - 344 B 0.002

Benchmarks.Perf.ByteReaderBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
AMD EPYC 7763 2.60GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.401
  [Host]     : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1  

Method Count Mean Error StdDev Ratio Gen0 Allocated Alloc Ratio
CharParser_Parse 100 5.056 μs 0.1591 μs 0.0246 μs 1.00 0.2289 3.83 KB 1.00
ByteParser_Parse 100 6.225 μs 0.0749 μs 0.0116 μs 1.23 0.2289 3.83 KB 1.00
CharParser_Parse_AfterUtf8Decode 100 7.584 μs 0.1116 μs 0.0173 μs 1.50 0.6561 10.86 KB 2.84
CharParser_Parse 1000 56.706 μs 0.4755 μs 0.0736 μs 1.00 2.3193 38.28 KB 1.00
ByteParser_Parse 1000 58.165 μs 0.3095 μs 0.0804 μs 1.03 2.3193 38.28 KB 1.00
CharParser_Parse_AfterUtf8Decode 1000 71.280 μs 1.5249 μs 0.3960 μs 1.26 6.5918 108.59 KB 2.84

Benchmarks.Perf.ByteReaderPoolingBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
AMD EPYC 7763 2.60GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.401
  [Host]     : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1  

Method Count Mean Error StdDev Ratio RatioSD Gen0 Allocated Alloc Ratio
NoString 100 4.239 μs 0.0947 μs 0.0246 μs 0.59 0.00 - - 0.00
WithString_NoPool 100 7.245 μs 0.1034 μs 0.0269 μs 1.00 0.00 0.2289 3920 B 1.00
WithString_Pooled 100 14.064 μs 0.0858 μs 0.0223 μs 1.94 0.01 - - 0.00
NoString 1000 44.804 μs 0.4556 μs 0.1183 μs 0.67 0.00 - - 0.00
WithString_NoPool 1000 67.252 μs 0.5365 μs 0.0830 μs 1.00 0.00 2.3193 39200 B 1.00
WithString_Pooled 1000 146.088 μs 7.0826 μs 1.8393 μs 2.17 0.03 - - 0.00

Benchmarks.Perf.ByteReaderStreamBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
AMD EPYC 7763 2.60GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.401
  [Host]     : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1  

Method Count Mean Error StdDev Ratio RatioSD Gen0 Gen1 Gen2 Allocated Alloc Ratio
ByteReader_Read 100 7.164 μs 0.0284 μs 0.0044 μs 0.29 0.00 0.2289 - - 3.83 KB 0.02
CharReader_Read 100 25.066 μs 1.2072 μs 0.3135 μs 1.00 0.02 41.6565 41.6565 41.6565 196.04 KB 1.00
ByteReader_Read 1000 67.340 μs 2.3416 μs 0.3624 μs 0.66 0.00 2.3193 - - 38.28 KB 0.17
CharReader_Read 1000 102.249 μs 1.4927 μs 0.3876 μs 1.00 0.00 41.6260 41.6260 41.6260 230.5 KB 1.00

Benchmarks.Perf.ComparisonBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
AMD EPYC 7763 3.10GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.401
  [Host]     : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1  

Method Count Mean Error StdDev Ratio RatioSD Gen0 Gen1 Allocated Alloc Ratio
FixedWidthParser_Generated 100 4.612 μs 0.0649 μs 0.0169 μs 0.13 0.00 0.2289 - 3.86 KB 0.09
FixedWidthParser_Read 100 5.921 μs 0.0234 μs 0.0061 μs 0.16 0.00 0.2289 - 3.86 KB 0.09
RecordParser_Read 100 11.029 μs 0.0588 μs 0.0153 μs 0.31 0.00 0.2441 - 4.23 KB 0.10
FileHelpers_Read 100 35.984 μs 1.1932 μs 0.3099 μs 1.00 0.01 2.5024 0.0610 41.49 KB 1.00
FlatFiles_Read 100 71.164 μs 2.3288 μs 0.3604 μs 1.98 0.02 6.2256 0.1221 103.13 KB 2.49
FixedWidthParser_Generated 1000 45.755 μs 0.9199 μs 0.2389 μs 0.13 0.00 2.3193 - 38.31 KB 0.09
FixedWidthParser_Read 1000 58.290 μs 0.7004 μs 0.1819 μs 0.17 0.00 2.3193 - 38.31 KB 0.09
RecordParser_Read 1000 107.929 μs 2.1030 μs 0.5461 μs 0.31 0.00 2.3193 - 38.69 KB 0.10
FileHelpers_Read 1000 345.806 μs 6.5851 μs 1.7101 μs 1.00 0.01 24.4141 5.8594 406.42 KB 1.00
FlatFiles_Read 1000 714.084 μs 20.9523 μs 3.2424 μs 2.07 0.01 57.6172 1.9531 953.2 KB 2.35

Benchmarks.Perf.ComparisonWriterBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
AMD EPYC 7763 3.10GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.401
  [Host]     : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1  

Method Count Mean Error StdDev Ratio RatioSD Gen0 Gen1 Allocated Alloc Ratio
FixedWidthParser_Write 1 132.4 ns 0.21 ns 0.05 ns 0.60 0.00 - - - 0.00
FileHelpers_Write 1 219.5 ns 5.87 ns 1.52 ns 1.00 0.01 0.0215 - 360 B 1.00
FlatFiles_Write 1 465.3 ns 19.26 ns 2.98 ns 2.12 0.02 0.0424 - 712 B 1.98
RecordParser_Write 1 22,062.3 ns 504.93 ns 78.14 ns 100.49 0.72 1.0986 - 18128 B 50.36
FixedWidthParser_Write 100 13,251.6 ns 30.36 ns 4.70 ns 0.67 0.00 - - - 0.00
FileHelpers_Write 100 19,777.7 ns 355.55 ns 92.34 ns 1.00 0.01 1.9531 - 32832 B 1.00
FlatFiles_Write 100 47,583.1 ns 926.13 ns 240.51 ns 2.41 0.02 4.2114 - 71200 B 2.17
RecordParser_Write 100 57,223.2 ns 16,338.89 ns 4,243.16 ns 2.89 0.20 1.2207 - 20440 B 0.62
FixedWidthParser_Write 1000 132,571.0 ns 198.45 ns 51.54 ns 0.66 0.01 - - - 0.00
FileHelpers_Write 1000 201,150.8 ns 6,593.77 ns 1,712.38 ns 1.00 0.01 19.5313 - 328032 B 1.00
RecordParser_Write 1000 452,863.8 ns 73,266.60 ns 11,338.09 ns 2.25 0.05 78.1250 76.1719 1326621 B 4.04
FlatFiles_Write 1000 482,272.1 ns 12,430.19 ns 3,228.08 ns 2.40 0.02 41.9922 - 712000 B 2.17

Benchmarks.Perf.ParserBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
AMD EPYC 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.401
  [Host]     : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1  

Method Line Mean Error StdDev Ratio Gen0 Allocated Alloc Ratio
Parse_NoPool Jane (...)0.00 [25] 54.33 ns 1.584 ns 0.411 ns 1.00 0.0029 48 B 1.00
Parse_WithStringPool Jane (...)0.00 [25] 104.84 ns 1.067 ns 0.165 ns 1.93 - - 0.00
Parse_NoPool John (...)0.00 [25] 53.29 ns 0.163 ns 0.025 ns 1.00 0.0024 40 B 1.00
Parse_WithStringPool John (...)0.00 [25] 102.66 ns 0.203 ns 0.053 ns 1.93 - - 0.00

Benchmarks.Perf.PipeReaderBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
AMD EPYC 7763 2.60GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.401
  [Host]     : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1  

Method Count Mean Error StdDev Ratio RatioSD Gen0 Allocated Alloc Ratio
Stream_ReadAsync 100 8.234 μs 0.1111 μs 0.0172 μs 1.00 0.00 0.2441 4.09 KB 1.00
Pipe_ReadAsync 100 17.070 μs 0.2457 μs 0.0380 μs 2.07 0.01 0.2441 4.48 KB 1.10
Pipe_ReadAsync_SmallSegments 100 58.317 μs 0.3259 μs 0.0504 μs 7.08 0.01 0.2441 4.67 KB 1.14
Stream_ReadAsync 1000 81.525 μs 0.6943 μs 0.1803 μs 1.00 0.00 2.3193 38.54 KB 1.00
Pipe_ReadAsync 1000 165.573 μs 1.2758 μs 0.1974 μs 2.03 0.00 2.1973 39.03 KB 1.01
Pipe_ReadAsync_SmallSegments 1000 590.465 μs 19.2322 μs 2.9762 μs 7.24 0.04 1.9531 39.13 KB 1.02

Benchmarks.Perf.ReaderBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
AMD EPYC 9V74 2.87GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.401
  [Host]     : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1  

Method Count Mean Error StdDev Ratio Gen0 Allocated Alloc Ratio
GeneratedReader_Read 100 4.747 μs 0.0779 μs 0.0202 μs 0.70 0.2289 3952 B 0.354
SpanReader_Read 100 6.517 μs 0.0681 μs 0.0177 μs 0.95 0.2289 3952 B 0.354
Naive_ReadLine 100 6.829 μs 0.1097 μs 0.0170 μs 1.00 0.6638 11152 B 1.000
GeneratedReader_Read_Pooled 100 8.650 μs 0.0467 μs 0.0072 μs 1.27 - 32 B 0.003
SpanReader_Read_Pooled 100 10.526 μs 0.1853 μs 0.0481 μs 1.54 - 32 B 0.003
GeneratedReader_Read 1000 47.148 μs 0.7063 μs 0.1834 μs 0.68 2.3193 39232 B 0.353
SpanReader_Read 1000 64.738 μs 0.9932 μs 0.2579 μs 0.93 2.3193 39232 B 0.353
Naive_ReadLine 1000 69.387 μs 1.5083 μs 0.3917 μs 1.00 6.5918 111232 B 1.000
GeneratedReader_Read_Pooled 1000 88.797 μs 0.3315 μs 0.0861 μs 1.28 - 32 B 0.000
SpanReader_Read_Pooled 1000 108.222 μs 1.0950 μs 0.2844 μs 1.56 - 32 B 0.000

Benchmarks.Perf.ReaderStartupBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
AMD EPYC 9V74 2.87GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.401
  [Host]     : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1  

Method Mean Error StdDev Ratio Gen0 Allocated Alloc Ratio
ReflectionReader_ConstructAndReadOne 114.5 ns 1.71 ns 0.44 ns 1.00 0.0057 96 B 1.00
GeneratedReader_ReadOne 114.7 ns 2.53 ns 0.66 ns 1.00 0.0043 72 B 0.75

Benchmarks.Perf.SourceGenParserBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
AMD EPYC 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.401
  [Host]     : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1  

Method Line Mean Error StdDev Ratio Gen0 Allocated Alloc Ratio
Generated John (...)00.00 [25] 38.69 ns 2.336 ns 0.607 ns 0.46 0.0024 40 B 1.00
Reflection John (...)00.00 [25] 83.96 ns 1.244 ns 0.323 ns 1.00 0.0024 40 B 1.00

Benchmarks.Perf.WriterBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
AMD EPYC 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.401
  [Host]     : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1  

Method Count Mean Error StdDev Ratio RatioSD Gen0 Gen1 Allocated Alloc Ratio
WriteMany_ReuseWriter 1 131.2 ns 0.40 ns 0.06 ns 0.44 0.01 - - - 0.00
WriteMany_ReuseWriterSpan 1 132.7 ns 2.77 ns 0.43 ns 0.44 0.01 - - - 0.00
WriteMany_AsyncReuseWriter 1 179.8 ns 3.36 ns 0.87 ns 0.60 0.01 0.0019 - 32 B 0.01
WriteMany_NewStream 1 299.6 ns 25.26 ns 6.56 ns 1.00 0.03 0.1326 - 2224 B 1.00
WriteMany_AsyncNewStream 1 713.6 ns 42.37 ns 11.00 ns 2.38 0.06 0.3204 0.0029 5360 B 2.41
WriteMany_ReuseWriterSpan 100 13,264.2 ns 113.37 ns 29.44 ns 0.96 0.00 - - - 0.000
WriteMany_ReuseWriter 100 13,407.9 ns 366.60 ns 95.20 ns 0.97 0.01 - - - 0.000
WriteMany_NewStream 100 13,865.2 ns 250.68 ns 65.10 ns 1.00 0.01 0.3052 - 5328 B 1.000
WriteMany_AsyncNewStream 100 15,852.6 ns 188.58 ns 48.97 ns 1.14 0.01 0.3052 - 5360 B 1.006
WriteMany_AsyncReuseWriter 100 16,066.4 ns 36.92 ns 5.71 ns 1.16 0.00 - - 32 B 0.006
WriteMany_ReuseWriter 1000 131,685.9 ns 842.43 ns 130.37 ns 0.99 0.00 - - - 0.000
WriteMany_NewStream 1000 133,302.7 ns 1,958.62 ns 303.10 ns 1.00 0.00 0.2441 - 5328 B 1.000
WriteMany_ReuseWriterSpan 1000 133,742.7 ns 2,138.60 ns 330.95 ns 1.00 0.00 - - - 0.000
WriteMany_AsyncReuseWriter 1000 156,541.6 ns 618.69 ns 160.67 ns 1.17 0.00 - - 32 B 0.006
WriteMany_AsyncNewStream 1000 159,538.9 ns 2,383.25 ns 618.92 ns 1.20 0.00 0.2441 - 5360 B 1.006

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