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Bump Microsoft.CodeAnalysis.Analyzers and Microsoft.CodeAnalysis.CSharp#57
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Updated Microsoft.CodeAnalysis.Analyzers from 5.6.0 to 5.9.0-1.26328.17.

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Updated Microsoft.CodeAnalysis.CSharp from 5.6.0 to 5.9.0.

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Bump Microsoft.CodeAnalysis.Analyzers and Microsoft.CodeAnalysis.CSharp
2cfaad1 
Bumps Microsoft.CodeAnalysis.Analyzers from 5.6.0 to 5.9.0-1.26328.17
Bumps Microsoft.CodeAnalysis.CSharp from 5.6.0 to 5.9.0

---
updated-dependencies:
- dependency-name: Microsoft.CodeAnalysis.Analyzers
  dependency-version: 5.9.0-1.26328.17
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: Microsoft.CodeAnalysis.CSharp
  dependency-version: 5.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: Microsoft.CodeAnalysis.CSharp
  dependency-version: 5.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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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 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V74 2.86GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.400
  [Host]     : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1
Method Count Mean Error StdDev Ratio RatioSD Gen0 Allocated Alloc Ratio
GeneratedReader_ReadAsync 100 4.987 μs 0.1520 μs 0.0395 μs 0.64 0.01 0.2518 4248 B 0.23
SpanReader_ReadAsync 100 7.031 μs 0.1137 μs 0.0295 μs 0.90 0.00 0.2518 4264 B 0.23
Naive_ReadLineAsync 100 7.772 μs 0.1095 μs 0.0284 μs 1.00 0.00 1.0986 18424 B 1.00
GeneratedReader_ReadAsync_Pooled 100 9.090 μs 0.0412 μs 0.0064 μs 1.17 0.00 0.0153 328 B 0.02
SpanReader_ReadAsync_Pooled 100 11.657 μs 0.0708 μs 0.0110 μs 1.50 0.01 0.0153 344 B 0.02
GeneratedReader_ReadAsync 1000 49.789 μs 0.5837 μs 0.1516 μs 0.64 0.01 2.3193 39528 B 0.216
SpanReader_ReadAsync 1000 68.559 μs 0.3630 μs 0.0562 μs 0.88 0.01 2.3193 39544 B 0.216
Naive_ReadLineAsync 1000 78.111 μs 4.1073 μs 1.0666 μs 1.00 0.02 10.8643 183304 B 1.000
GeneratedReader_ReadAsync_Pooled 1000 88.568 μs 0.8889 μs 0.1376 μs 1.13 0.01 - 328 B 0.002
SpanReader_ReadAsync_Pooled 1000 113.271 μs 0.6865 μs 0.1783 μs 1.45 0.02 - 344 B 0.002

Benchmarks.Perf.ByteReaderBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.400
  [Host]     : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1
Method Count Mean Error StdDev Ratio Gen0 Allocated Alloc Ratio
CharParser_Parse 100 4.997 μs 0.1444 μs 0.0375 μs 1.00 0.2289 3.83 KB 1.00
ByteParser_Parse 100 6.594 μs 0.0667 μs 0.0103 μs 1.32 0.2289 3.83 KB 1.00
CharParser_Parse_AfterUtf8Decode 100 6.764 μs 0.0314 μs 0.0049 μs 1.35 0.6638 10.86 KB 2.84
CharParser_Parse 1000 49.918 μs 0.2489 μs 0.0385 μs 1.00 2.3193 38.28 KB 1.00
ByteParser_Parse 1000 63.689 μs 0.4781 μs 0.1242 μs 1.28 2.3193 38.28 KB 1.00
CharParser_Parse_AfterUtf8Decode 1000 71.640 μs 0.9854 μs 0.2559 μs 1.44 6.5918 108.59 KB 2.84

Benchmarks.Perf.ByteReaderPoolingBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.400
  [Host]     : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1
Method Count Mean Error StdDev Ratio Gen0 Allocated Alloc Ratio
NoString 100 4.174 μs 0.0196 μs 0.0030 μs 0.61 - - 0.00
WithString_NoPool 100 6.841 μs 0.0483 μs 0.0125 μs 1.00 0.2289 3920 B 1.00
WithString_Pooled 100 13.614 μs 0.0395 μs 0.0061 μs 1.99 - - 0.00
NoString 1000 43.981 μs 0.0590 μs 0.0153 μs 0.58 - - 0.00
WithString_NoPool 1000 75.960 μs 1.8687 μs 0.4853 μs 1.00 2.3193 39200 B 1.00
WithString_Pooled 1000 143.673 μs 0.9952 μs 0.2584 μs 1.89 - - 0.00

Benchmarks.Perf.ByteReaderStreamBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.400
  [Host]     : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1
Method Count Mean Error StdDev Ratio Gen0 Gen1 Gen2 Allocated Alloc Ratio
ByteReader_Read 100 6.676 μs 0.0387 μs 0.0101 μs 0.27 0.2289 - - 3.83 KB 0.02
CharReader_Read 100 25.082 μs 0.7292 μs 0.1894 μs 1.00 41.6565 41.6565 41.6565 196.04 KB 1.00
ByteReader_Read 1000 69.269 μs 0.3528 μs 0.0546 μs 0.65 2.3193 - - 38.28 KB 0.17
CharReader_Read 1000 106.778 μs 1.0126 μs 0.1567 μs 1.00 41.6260 41.6260 41.6260 230.5 KB 1.00

Benchmarks.Perf.ComparisonBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V74 2.60GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.400
  [Host]     : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1
Method Count Mean Error StdDev Ratio RatioSD Gen0 Gen1 Allocated Alloc Ratio
FixedWidthParser_Generated 100 4.672 μs 0.0754 μs 0.0196 μs 0.13 0.00 0.2289 - 3.86 KB 0.09
FixedWidthParser_Read 100 6.102 μs 0.0600 μs 0.0156 μs 0.18 0.00 0.2289 - 3.86 KB 0.09
RecordParser_Read 100 10.977 μs 0.2486 μs 0.0385 μs 0.31 0.01 0.2441 - 4.23 KB 0.10
FileHelpers_Read 100 34.873 μs 2.4687 μs 0.6411 μs 1.00 0.02 2.5024 0.0610 41.49 KB 1.00
FlatFiles_Read 100 62.909 μs 0.4768 μs 0.0738 μs 1.80 0.03 6.2256 0.1221 103.13 KB 2.49
FixedWidthParser_Generated 1000 45.775 μs 0.9420 μs 0.2446 μs 0.13 0.00 2.3193 - 38.31 KB 0.09
FixedWidthParser_Read 1000 59.238 μs 0.3875 μs 0.1006 μs 0.17 0.00 2.3193 - 38.31 KB 0.09
RecordParser_Read 1000 108.217 μs 0.4993 μs 0.0773 μs 0.31 0.00 2.3193 - 38.69 KB 0.10
FileHelpers_Read 1000 344.097 μs 9.4999 μs 1.4701 μs 1.00 0.01 24.4141 5.8594 406.42 KB 1.00
FlatFiles_Read 1000 621.999 μs 6.0534 μs 1.5721 μs 1.81 0.01 57.6172 1.9531 953.2 KB 2.35

Benchmarks.Perf.ComparisonWriterBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V74 2.60GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.400
  [Host]     : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1
Method Count Mean Error StdDev Ratio RatioSD Gen0 Gen1 Allocated Alloc Ratio
FixedWidthParser_Write 1 129.7 ns 0.41 ns 0.06 ns 0.72 0.00 - - - 0.00
FileHelpers_Write 1 181.3 ns 3.32 ns 0.86 ns 1.00 0.01 0.0215 - 360 B 1.00
FlatFiles_Write 1 416.2 ns 4.54 ns 1.18 ns 2.30 0.01 0.0424 - 712 B 1.98
RecordParser_Write 1 18,626.3 ns 2,408.10 ns 625.38 ns 102.73 3.18 1.0986 0.0305 18128 B 50.36
FixedWidthParser_Write 100 13,090.3 ns 40.48 ns 6.26 ns 0.73 0.00 - - - 0.00
FileHelpers_Write 100 17,840.5 ns 178.71 ns 46.41 ns 1.00 0.00 1.9531 - 32832 B 1.00
FlatFiles_Write 100 41,354.9 ns 1,050.17 ns 272.72 ns 2.32 0.01 4.2114 - 71200 B 2.17
RecordParser_Write 100 53,262.9 ns 7,758.70 ns 1,200.67 ns 2.99 0.06 1.2207 - 20440 B 0.62
FixedWidthParser_Write 1000 132,464.5 ns 1,351.72 ns 209.18 ns 0.72 0.01 - - - 0.00
FileHelpers_Write 1000 184,545.3 ns 15,481.15 ns 4,020.41 ns 1.00 0.03 19.5313 - 328032 B 1.00
FlatFiles_Write 1000 426,980.4 ns 9,813.56 ns 2,548.55 ns 2.31 0.05 42.4805 - 712000 B 2.17
RecordParser_Write 1000 480,859.1 ns 85,007.26 ns 22,076.11 ns 2.61 0.12 80.0781 78.1250 1344573 B 4.10

Benchmarks.Perf.ParserBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
INTEL XEON PLATINUM 8573C 3.00GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.400
  [Host]     : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v4
  Job-MEHJPP : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v4

IterationCount=5  WarmupCount=1
Method Line Mean Error StdDev Ratio Gen0 Allocated Alloc Ratio
Parse_NoPool Jane (...)0.00 [25] 49.13 ns 1.236 ns 0.321 ns 1.00 0.0005 48 B 1.00
Parse_WithStringPool Jane (...)0.00 [25] 75.55 ns 0.875 ns 0.227 ns 1.54 - - 0.00
Parse_NoPool John (...)0.00 [25] 45.89 ns 1.025 ns 0.159 ns 1.00 0.0005 40 B 1.00
Parse_WithStringPool John (...)0.00 [25] 75.54 ns 0.975 ns 0.151 ns 1.65 - - 0.00

Benchmarks.Perf.PipeReaderBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.400
  [Host]     : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1
Method Count Mean Error StdDev Ratio RatioSD Gen0 Allocated Alloc Ratio
Stream_ReadAsync 100 8.007 μs 0.0721 μs 0.0187 μs 1.00 0.00 0.2441 4.09 KB 1.00
Pipe_ReadAsync 100 16.620 μs 0.0937 μs 0.0243 μs 2.08 0.01 0.2441 4.48 KB 1.10
Pipe_ReadAsync_SmallSegments 100 60.676 μs 1.9432 μs 0.5046 μs 7.58 0.06 0.2441 4.67 KB 1.14
Stream_ReadAsync 1000 72.490 μs 0.1993 μs 0.0308 μs 1.00 0.00 2.3193 38.54 KB 1.00
Pipe_ReadAsync 1000 177.003 μs 0.0894 μs 0.0138 μs 2.44 0.00 2.1973 39.03 KB 1.01
Pipe_ReadAsync_SmallSegments 1000 628.781 μs 5.9396 μs 0.9192 μs 8.67 0.01 1.9531 39.13 KB 1.02

Benchmarks.Perf.ReaderBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V74 2.86GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.400
  [Host]     : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1
Method Count Mean Error StdDev Ratio Gen0 Allocated Alloc Ratio
GeneratedReader_Read 100 4.770 μs 0.0570 μs 0.0148 μs 0.69 0.2289 3952 B 0.354
SpanReader_Read 100 6.478 μs 0.1094 μs 0.0284 μs 0.94 0.2289 3952 B 0.354
Naive_ReadLine 100 6.873 μs 0.1997 μs 0.0519 μs 1.00 0.6638 11152 B 1.000
GeneratedReader_Read_Pooled 100 8.869 μs 0.0790 μs 0.0205 μs 1.29 - 32 B 0.003
SpanReader_Read_Pooled 100 9.964 μs 0.0637 μs 0.0166 μs 1.45 - 32 B 0.003
GeneratedReader_Read 1000 46.901 μs 0.2654 μs 0.0411 μs 0.70 2.3193 39232 B 0.353
SpanReader_Read 1000 61.868 μs 0.6841 μs 0.1059 μs 0.92 2.3193 39232 B 0.353
Naive_ReadLine 1000 67.292 μs 1.4396 μs 0.3739 μs 1.00 6.5918 111232 B 1.000
GeneratedReader_Read_Pooled 1000 88.537 μs 0.1747 μs 0.0454 μs 1.32 - 32 B 0.000
SpanReader_Read_Pooled 1000 106.651 μs 0.2781 μs 0.0722 μs 1.58 - 32 B 0.000

Benchmarks.Perf.ReaderStartupBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V74 2.86GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.400
  [Host]     : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1
Method Mean Error StdDev Ratio Gen0 Allocated Alloc Ratio
GeneratedReader_ReadOne 113.6 ns 2.03 ns 0.53 ns 0.97 0.0043 72 B 0.75
ReflectionReader_ConstructAndReadOne 116.6 ns 2.05 ns 0.53 ns 1.00 0.0057 96 B 1.00

Benchmarks.Perf.SourceGenParserBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
INTEL XEON PLATINUM 8573C 3.00GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.400
  [Host]     : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v4
  Job-MEHJPP : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v4

IterationCount=5  WarmupCount=1
Method Line Mean Error StdDev Ratio Gen0 Allocated Alloc Ratio
Generated John (...)00.00 [25] 31.60 ns 1.348 ns 0.209 ns 0.67 0.0005 40 B 1.00
Reflection John (...)00.00 [25] 47.41 ns 1.344 ns 0.349 ns 1.00 0.0005 40 B 1.00

Benchmarks.Perf.WriterBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 7763 2.80GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.400
  [Host]     : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.11 (10.0.11, 10.0.1126.37416), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1
Method Count Mean Error StdDev Ratio RatioSD Gen0 Gen1 Allocated Alloc Ratio
WriteMany_ReuseWriter 1 131.6 ns 0.90 ns 0.14 ns 0.46 0.01 - - - 0.00
WriteMany_ReuseWriterSpan 1 132.8 ns 4.72 ns 1.23 ns 0.47 0.01 - - - 0.00
WriteMany_AsyncReuseWriter 1 189.6 ns 2.14 ns 0.33 ns 0.66 0.01 0.0019 - 32 B 0.01
WriteMany_NewStream 1 285.4 ns 24.17 ns 6.28 ns 1.00 0.03 0.1326 - 2224 B 1.00
WriteMany_AsyncNewStream 1 652.0 ns 56.62 ns 8.76 ns 2.29 0.05 0.3204 0.0029 5360 B 2.41
WriteMany_ReuseWriterSpan 100 13,458.4 ns 73.17 ns 11.32 ns 0.98 0.00 - - - 0.000
WriteMany_ReuseWriter 100 13,472.8 ns 46.76 ns 7.24 ns 0.98 0.00 - - - 0.000
WriteMany_NewStream 100 13,791.2 ns 155.51 ns 40.39 ns 1.00 0.00 0.3052 - 5328 B 1.000
WriteMany_AsyncReuseWriter 100 15,258.5 ns 148.56 ns 38.58 ns 1.11 0.00 - - 32 B 0.006
WriteMany_AsyncNewStream 100 15,970.7 ns 224.83 ns 58.39 ns 1.16 0.00 0.3052 - 5360 B 1.006
WriteMany_ReuseWriter 1000 133,162.8 ns 701.15 ns 182.09 ns 1.00 0.00 - - - 0.000
WriteMany_NewStream 1000 133,234.2 ns 325.97 ns 50.44 ns 1.00 0.00 0.2441 - 5328 B 1.000
WriteMany_ReuseWriterSpan 1000 140,859.7 ns 1,616.86 ns 419.89 ns 1.06 0.00 - - - 0.000
WriteMany_AsyncReuseWriter 1000 149,887.9 ns 379.61 ns 98.58 ns 1.12 0.00 - - 32 B 0.006
WriteMany_AsyncNewStream 1000 150,155.3 ns 1,805.79 ns 279.45 ns 1.13 0.00 0.2441 - 5360 B 1.006

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Superseded by #58.

@dependabot dependabot Bot closed this Aug 27, 2026
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dependabot Bot deleted the dependabot/nuget/develop/multi-f1e6270e1a branch August 27, 2026 15:03
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