Bump CsCheck from 4.7.0 to 4.8.0 by dependabot[bot] · Pull Request #51 · GabrielMarquezMatte/FixedWidthParser

dependabot · 2026-08-06T14:58:51Z

Updated CsCheck from 4.7.0 to 4.8.0.

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--- updated-dependencies: - dependency-name: CsCheck dependency-version: 4.8.0 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>

dependabot · 2026-08-06T14:58:52Z

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github-actions · 2026-08-06T15:02:58Z

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 2.60GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.302
  [Host]     : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	Gen0	Allocated	Alloc Ratio
GeneratedReader_ReadAsync	100	5.033 μs	0.0341 μs	0.0053 μs	0.63	0.2518	4248 B	0.23
SpanReader_ReadAsync	100	7.149 μs	0.0917 μs	0.0238 μs	0.89	0.2518	4264 B	0.23
Naive_ReadLineAsync	100	8.021 μs	0.2171 μs	0.0564 μs	1.00	1.0986	18424 B	1.00
GeneratedReader_ReadAsync_Pooled	100	9.209 μs	0.2129 μs	0.0553 μs	1.15	0.0153	328 B	0.02
SpanReader_ReadAsync_Pooled	100	11.447 μs	0.1891 μs	0.0491 μs	1.43	0.0153	344 B	0.02

GeneratedReader_ReadAsync	1000	49.474 μs	0.5654 μs	0.0875 μs	0.61	2.3193	39528 B	0.216
SpanReader_ReadAsync	1000	68.941 μs	1.1222 μs	0.2914 μs	0.85	2.3193	39544 B	0.216
Naive_ReadLineAsync	1000	81.259 μs	0.7862 μs	0.1217 μs	1.00	10.8643	183304 B	1.000
GeneratedReader_ReadAsync_Pooled	1000	90.725 μs	2.0622 μs	0.5356 μs	1.12	-	328 B	0.002
SpanReader_ReadAsync_Pooled	1000	111.639 μs	1.2224 μs	0.1892 μs	1.37	-	344 B	0.002

Benchmarks.Perf.ByteReaderBenchmarks


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 10.0.302
  [Host]     : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	Gen0	Allocated	Alloc Ratio
CharParser_Parse	100	5.301 μs	0.1110 μs	0.0288 μs	1.00	0.2289	3.83 KB	1.00
ByteParser_Parse	100	6.323 μs	0.0224 μs	0.0058 μs	1.19	0.2289	3.83 KB	1.00
CharParser_Parse_AfterUtf8Decode	100	7.352 μs	0.0774 μs	0.0201 μs	1.39	0.6638	10.86 KB	2.84

CharParser_Parse	1000	53.200 μs	0.5734 μs	0.1489 μs	1.00	2.3193	38.28 KB	1.00
ByteParser_Parse	1000	61.484 μs	0.3457 μs	0.0535 μs	1.16	2.3193	38.28 KB	1.00
CharParser_Parse_AfterUtf8Decode	1000	74.754 μs	0.9283 μs	0.2411 μs	1.41	6.5918	108.59 KB	2.84

Benchmarks.Perf.ByteReaderPoolingBenchmarks


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 10.0.302
  [Host]     : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	Gen0	Allocated	Alloc Ratio
NoString	100	4.472 μs	0.1378 μs	0.0358 μs	0.61	-	-	0.00
WithString_NoPool	100	7.277 μs	0.0182 μs	0.0028 μs	1.00	0.2289	3920 B	1.00
WithString_Pooled	100	13.092 μs	0.0136 μs	0.0021 μs	1.80	-	-	0.00

NoString	1000	44.504 μs	0.0568 μs	0.0088 μs	0.61	-	-	0.00
WithString_NoPool	1000	73.050 μs	0.5362 μs	0.0830 μs	1.00	2.3193	39200 B	1.00
WithString_Pooled	1000	130.438 μs	0.2990 μs	0.0776 μs	1.79	-	-	0.00

Benchmarks.Perf.ByteReaderStreamBenchmarks


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 10.0.302
  [Host]     : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	Gen0	Gen1	Gen2	Allocated	Alloc Ratio
ByteReader_Read	100	7.275 μs	0.0635 μs	0.0165 μs	0.27	0.2289	-	-	3.83 KB	0.02
CharReader_Read	100	26.489 μs	0.9937 μs	0.2581 μs	1.00	41.6565	41.6565	41.6565	196.04 KB	1.00

ByteReader_Read	1000	71.655 μs	0.6523 μs	0.1694 μs	0.63	2.3193	-	-	38.28 KB	0.17
CharReader_Read	1000	114.043 μs	2.8712 μs	0.7456 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 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.302
  [Host]     : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	Gen0	Gen1	Allocated	Alloc Ratio
FixedWidthParser_Generated	100	4.469 μs	0.0689 μs	0.0179 μs	0.13	0.2289	-	3.86 KB	0.09
FixedWidthParser_Read	100	6.783 μs	0.0330 μs	0.0051 μs	0.19	0.2289	-	3.86 KB	0.09
RecordParser_Read	100	11.199 μs	0.0510 μs	0.0132 μs	0.32	0.2441	-	4.23 KB	0.10
FileHelpers_Read	100	35.330 μs	0.7453 μs	0.1153 μs	1.00	2.5024	0.0610	41.49 KB	1.00
FlatFiles_Read	100	69.034 μs	1.9727 μs	0.3053 μs	1.95	6.2256	0.1221	103.13 KB	2.49

FixedWidthParser_Generated	1000	46.063 μs	0.8779 μs	0.2280 μs	0.14	2.3193	-	38.31 KB	0.09
FixedWidthParser_Read	1000	60.808 μs	0.6142 μs	0.1595 μs	0.18	2.3193	-	38.31 KB	0.09
RecordParser_Read	1000	103.915 μs	1.5042 μs	0.3906 μs	0.31	2.3193	-	38.69 KB	0.10
FileHelpers_Read	1000	338.288 μs	2.4752 μs	0.6428 μs	1.00	24.4141	5.8594	406.42 KB	1.00
FlatFiles_Read	1000	682.939 μs	10.7992 μs	2.8045 μs	2.02	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 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.302
  [Host]     : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Gen1	Allocated	Alloc Ratio
FixedWidthParser_Write	1	133.1 ns	0.44 ns	0.07 ns	0.69	0.00	-	-	-	0.00
FileHelpers_Write	1	193.8 ns	2.38 ns	0.62 ns	1.00	0.00	0.0215	-	360 B	1.00
FlatFiles_Write	1	448.5 ns	2.14 ns	0.33 ns	2.31	0.01	0.0424	-	712 B	1.98
RecordParser_Write	1	23,245.9 ns	4,708.71 ns	1,222.84 ns	119.95	5.77	1.0986	-	18128 B	50.36

FixedWidthParser_Write	100	13,562.2 ns	101.83 ns	15.76 ns	0.70	0.00	-	-	-	0.00
FileHelpers_Write	100	19,263.8 ns	194.11 ns	50.41 ns	1.00	0.00	1.9531	-	32832 B	1.00
FlatFiles_Write	100	45,221.4 ns	414.77 ns	64.19 ns	2.35	0.01	4.2114	-	71200 B	2.17
RecordParser_Write	100	57,701.0 ns	12,409.68 ns	3,222.75 ns	3.00	0.15	1.2207	-	20440 B	0.62

FixedWidthParser_Write	1000	134,101.4 ns	1,656.75 ns	430.25 ns	0.70	0.00	-	-	-	0.00
FileHelpers_Write	1000	190,473.2 ns	3,630.93 ns	561.89 ns	1.00	0.00	19.5313	-	328032 B	1.00
FlatFiles_Write	1000	498,826.8 ns	9,443.15 ns	2,452.36 ns	2.62	0.01	41.9922	-	712000 B	2.17
RecordParser_Write	1000	506,127.5 ns	166,649.33 ns	43,278.30 ns	2.66	0.21	80.0781	78.1250	1334140 B	4.07

Benchmarks.Perf.ParserBenchmarks


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 10.0.302
  [Host]     : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.10 (10.0.10, 10.0.1026.32716), 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]	56.92 ns	1.757 ns	0.272 ns	1.00	0.0029	48 B	1.00
Parse_WithStringPool	Jane (...)0.00 [25]	105.26 ns	0.545 ns	0.142 ns	1.85	-	-	0.00

Parse_NoPool	John (...)0.00 [25]	63.14 ns	0.403 ns	0.062 ns	1.00	0.0024	40 B	1.00
Parse_WithStringPool	John (...)0.00 [25]	100.70 ns	0.083 ns	0.013 ns	1.60	-	-	0.00

Benchmarks.Perf.PipeReaderBenchmarks


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 10.0.302
  [Host]     : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Allocated	Alloc Ratio
Stream_ReadAsync	100	7.766 μs	0.0308 μs	0.0048 μs	1.00	0.00	0.2441	4.09 KB	1.00
Pipe_ReadAsync	100	17.535 μs	0.1230 μs	0.0190 μs	2.26	0.00	0.2441	4.48 KB	1.10
Pipe_ReadAsync_SmallSegments	100	54.962 μs	0.3707 μs	0.0574 μs	7.08	0.01	0.2441	4.67 KB	1.14

Stream_ReadAsync	1000	76.643 μs	0.1730 μs	0.0268 μs	1.00	0.00	2.3193	38.54 KB	1.00
Pipe_ReadAsync	1000	167.707 μs	1.3755 μs	0.3572 μs	2.19	0.00	2.1973	39.03 KB	1.01
Pipe_ReadAsync_SmallSegments	1000	538.032 μs	12.2849 μs	3.1904 μs	7.02	0.04	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 2.60GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.302
  [Host]     : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	Gen0	Allocated	Alloc Ratio
GeneratedReader_Read	100	4.845 μs	0.1548 μs	0.0402 μs	0.71	0.2289	3952 B	0.354
SpanReader_Read	100	6.450 μs	0.1250 μs	0.0193 μs	0.95	0.2289	3952 B	0.354
Naive_ReadLine	100	6.814 μs	0.1613 μs	0.0250 μs	1.00	0.6638	11152 B	1.000
GeneratedReader_Read_Pooled	100	8.767 μs	0.0882 μs	0.0137 μs	1.29	-	32 B	0.003
SpanReader_Read_Pooled	100	9.970 μs	0.2953 μs	0.0457 μs	1.46	-	32 B	0.003

GeneratedReader_Read	1000	47.103 μs	0.4121 μs	0.1070 μs	0.66	2.3193	39232 B	0.353
SpanReader_Read	1000	62.975 μs	0.6523 μs	0.1009 μs	0.88	2.3193	39232 B	0.353
Naive_ReadLine	1000	71.609 μs	0.7007 μs	0.1820 μs	1.00	6.5918	111232 B	1.000
GeneratedReader_Read_Pooled	1000	86.438 μs	0.4408 μs	0.1145 μs	1.21	-	32 B	0.000
SpanReader_Read_Pooled	1000	105.761 μs	0.9156 μs	0.2378 μs	1.48	-	32 B	0.000

Benchmarks.Perf.ReaderStartupBenchmarks


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 10.0.302
  [Host]     : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1

Method	Mean	Error	StdDev	Ratio	Gen0	Allocated	Alloc Ratio
ReflectionReader_ConstructAndReadOne	105.5 ns	1.37 ns	0.21 ns	1.00	0.0057	96 B	1.00
GeneratedReader_ReadOne	115.8 ns	4.00 ns	1.04 ns	1.10	0.0043	72 B	0.75

Benchmarks.Perf.SourceGenParserBenchmarks


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 10.0.302
  [Host]     : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3
  Job-MEHJPP : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v3

IterationCount=5  WarmupCount=1

Method	Line	Mean	Error	StdDev	Ratio	Gen0	Allocated	Alloc Ratio
Generated	John (...)00.00 [25]	38.34 ns	0.799 ns	0.208 ns	0.76	0.0024	40 B	1.00
Reflection	John (...)00.00 [25]	50.30 ns	0.517 ns	0.134 ns	1.00	0.0024	40 B	1.00

Benchmarks.Perf.WriterBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
INTEL XEON PLATINUM 8573C 2.30GHz, 1 CPU, 4 logical and 2 physical cores
.NET SDK 10.0.302
  [Host]     : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v4
  Job-MEHJPP : .NET 10.0.10 (10.0.10, 10.0.1026.32716), X64 RyuJIT x86-64-v4

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Gen1	Allocated	Alloc Ratio
WriteMany_ReuseWriter	1	87.57 ns	4.753 ns	1.234 ns	0.39	0.01	-	-	-	0.00
WriteMany_ReuseWriterSpan	1	89.59 ns	5.610 ns	1.457 ns	0.40	0.01	-	-	-	0.00
WriteMany_AsyncReuseWriter	1	124.20 ns	9.307 ns	1.440 ns	0.56	0.01	0.0002	-	32 B	0.01
WriteMany_NewStream	1	222.37 ns	9.193 ns	1.423 ns	1.00	0.01	0.0265	-	2224 B	1.00
WriteMany_AsyncNewStream	1	422.26 ns	14.596 ns	3.791 ns	1.90	0.02	0.0639	0.0005	5360 B	2.41

WriteMany_ReuseWriter	100	9,504.22 ns	530.053 ns	137.653 ns	0.96	0.02	-	-	-	0.000
WriteMany_ReuseWriterSpan	100	9,588.35 ns	795.447 ns	206.575 ns	0.96	0.02	-	-	-	0.000
WriteMany_NewStream	100	9,940.78 ns	390.014 ns	101.285 ns	1.00	0.01	0.0610	-	5328 B	1.000
WriteMany_AsyncReuseWriter	100	10,487.17 ns	436.519 ns	113.363 ns	1.06	0.01	-	-	32 B	0.006
WriteMany_AsyncNewStream	100	10,799.21 ns	674.237 ns	104.339 ns	1.09	0.01	0.0610	-	5360 B	1.006

WriteMany_ReuseWriterSpan	1000	93,606.75 ns	5,158.349 ns	1,339.607 ns	0.99	0.02	-	-	-	0.000
WriteMany_NewStream	1000	94,810.50 ns	8,410.789 ns	2,184.255 ns	1.00	0.03	-	-	5328 B	1.000
WriteMany_ReuseWriter	1000	94,841.59 ns	8,311.547 ns	2,158.482 ns	1.00	0.03	-	-	-	0.000
WriteMany_AsyncNewStream	1000	101,730.27 ns	3,858.692 ns	1,002.090 ns	1.07	0.02	-	-	5360 B	1.006
WriteMany_AsyncReuseWriter	1000	103,488.89 ns	7,577.411 ns	1,172.613 ns	1.09	0.03	-	-	32 B	0.006

Bump CsCheck from 4.7.0 to 4.8.0

e1a1ea1

--- updated-dependencies: - dependency-name: CsCheck dependency-version: 4.8.0 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>

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Bump CsCheck from 4.7.0 to 4.8.0 - #51

Bump CsCheck from 4.7.0 to 4.8.0#51
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Benchmark Results

Benchmarks.Perf.AsyncReaderBenchmarks

Benchmarks.Perf.ByteReaderBenchmarks

Benchmarks.Perf.ByteReaderPoolingBenchmarks

Benchmarks.Perf.ByteReaderStreamBenchmarks

Benchmarks.Perf.ComparisonBenchmarks

Benchmarks.Perf.ComparisonWriterBenchmarks

Benchmarks.Perf.ParserBenchmarks

Benchmarks.Perf.PipeReaderBenchmarks

Benchmarks.Perf.ReaderBenchmarks

Benchmarks.Perf.ReaderStartupBenchmarks

Benchmarks.Perf.SourceGenParserBenchmarks

Benchmarks.Perf.WriterBenchmarks

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