Bump CsCheck from 4.7.0 to 4.9.1 by dependabot[bot] · Pull Request #70 · GabrielMarquezMatte/FixedWidthParser

dependabot · 2026-09-24T15:04:26Z

Updated CsCheck from 4.7.0 to 4.9.1.

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--- updated-dependencies: - dependency-name: CsCheck dependency-version: 4.9.1 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>

dependabot · 2026-09-24T15:04:27Z

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github-actions · 2026-09-24T15:08:46Z

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 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	Allocated	Alloc Ratio
GeneratedReader_ReadAsync	100	5.063 μs	0.0831 μs	0.0216 μs	0.58	0.02	0.2518	4248 B	0.23
SpanReader_ReadAsync	100	7.284 μs	0.0564 μs	0.0087 μs	0.83	0.03	0.2518	4264 B	0.23
Naive_ReadLineAsync	100	8.742 μs	1.5688 μs	0.4074 μs	1.00	0.06	1.0986	18424 B	1.00
GeneratedReader_ReadAsync_Pooled	100	10.064 μs	0.0892 μs	0.0232 μs	1.15	0.05	0.0153	328 B	0.02
SpanReader_ReadAsync_Pooled	100	12.203 μs	0.0974 μs	0.0253 μs	1.40	0.06	0.0153	344 B	0.02

GeneratedReader_ReadAsync	1000	65.233 μs	0.4472 μs	0.1161 μs	0.84	0.00	2.3193	39528 B	0.216
SpanReader_ReadAsync	1000	70.630 μs	0.5243 μs	0.1362 μs	0.91	0.00	2.3193	39544 B	0.216
Naive_ReadLineAsync	1000	77.709 μs	1.4351 μs	0.2221 μs	1.00	0.00	10.8643	183304 B	1.000
GeneratedReader_ReadAsync_Pooled	1000	98.396 μs	1.7214 μs	0.4470 μs	1.27	0.01	-	328 B	0.002
SpanReader_ReadAsync_Pooled	1000	117.919 μs	0.8443 μs	0.2193 μs	1.52	0.00	-	344 B	0.002

Benchmarks.Perf.ByteReaderBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
Intel Xeon Platinum 8370C CPU 2.80GHz, 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-v4
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v4

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Allocated	Alloc Ratio
CharParser_Parse	100	5.336 μs	0.1413 μs	0.0367 μs	1.00	0.01	0.1526	3.83 KB	1.00
ByteParser_Parse	100	5.946 μs	0.0905 μs	0.0140 μs	1.11	0.01	0.1526	3.83 KB	1.00
CharParser_Parse_AfterUtf8Decode	100	7.653 μs	0.1375 μs	0.0357 μs	1.43	0.01	0.4425	10.86 KB	2.84

CharParser_Parse	1000	52.061 μs	0.9451 μs	0.2454 μs	1.00	0.01	1.5259	38.28 KB	1.00
ByteParser_Parse	1000	60.473 μs	0.6077 μs	0.1578 μs	1.16	0.01	1.5259	38.28 KB	1.00
CharParser_Parse_AfterUtf8Decode	1000	83.071 μs	3.6440 μs	0.9463 μs	1.60	0.02	4.3945	108.59 KB	2.84

Benchmarks.Perf.ByteReaderPoolingBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
Intel Xeon Platinum 8370C CPU 2.80GHz, 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-v4
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v4

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	Gen0	Allocated	Alloc Ratio
NoString	100	3.713 μs	0.1080 μs	0.0281 μs	0.55	-	-	0.00
WithString_NoPool	100	6.698 μs	0.0684 μs	0.0178 μs	1.00	0.1526	3920 B	1.00
WithString_Pooled	100	13.349 μs	0.1017 μs	0.0157 μs	1.99	-	-	0.00

NoString	1000	36.183 μs	0.2911 μs	0.0756 μs	0.51	-	-	0.00
WithString_NoPool	1000	71.357 μs	0.6522 μs	0.1694 μs	1.00	1.4648	39200 B	1.00
WithString_Pooled	1000	134.572 μs	0.5242 μs	0.1361 μs	1.89	-	-	0.00

Benchmarks.Perf.ByteReaderStreamBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
Intel Xeon Platinum 8370C CPU 2.80GHz, 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-v4
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v4

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	Gen0	Gen1	Gen2	Allocated	Alloc Ratio
ByteReader_Read	100	6.704 μs	0.0370 μs	0.0057 μs	0.29	0.1526	-	-	3.83 KB	0.02
CharReader_Read	100	22.846 μs	0.8655 μs	0.1339 μs	1.00	41.6565	41.6565	41.6565	196.04 KB	1.00

ByteReader_Read	1000	67.386 μs	1.3699 μs	0.2120 μs	0.71	1.4648	-	-	38.28 KB	0.17
CharReader_Read	1000	94.918 μs	1.5682 μs	0.2427 μs	1.00	41.6260	41.6260	41.6260	230.5 KB	1.00

Benchmarks.Perf.ComparisonBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
AMD EPYC 7763 2.70GHz, 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	4.758 μs	0.0653 μs	0.0170 μs	0.14	0.00	0.2289	-	3.86 KB	0.09
FixedWidthParser_Read	100	7.473 μs	0.0521 μs	0.0081 μs	0.22	0.00	0.2289	-	3.86 KB	0.09
RecordParser_Read	100	10.495 μs	0.0782 μs	0.0203 μs	0.32	0.00	0.2441	-	4.23 KB	0.10
FileHelpers_Read	100	33.274 μs	2.5414 μs	0.3933 μs	1.00	0.01	2.5024	0.0610	41.49 KB	1.00
FlatFiles_Read	100	71.317 μs	1.0250 μs	0.2662 μs	2.14	0.02	6.2256	0.1221	103.13 KB	2.49

FixedWidthParser_Generated	1000	47.048 μs	0.2751 μs	0.0714 μs	0.13	0.00	2.3193	-	38.31 KB	0.09
FixedWidthParser_Read	1000	60.757 μs	0.6147 μs	0.0951 μs	0.17	0.00	2.3193	-	38.31 KB	0.09
RecordParser_Read	1000	105.660 μs	0.5343 μs	0.1387 μs	0.29	0.00	2.3193	-	38.69 KB	0.10
FileHelpers_Read	1000	366.420 μs	14.8203 μs	3.8488 μs	1.00	0.01	24.4141	5.8594	406.42 KB	1.00
FlatFiles_Read	1000	710.529 μs	16.3089 μs	4.2354 μs	1.94	0.02	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 2.70GHz, 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	129.3 ns	0.27 ns	0.07 ns	0.62	0.01	-	-	-	0.00
FileHelpers_Write	1	208.7 ns	8.24 ns	2.14 ns	1.00	0.01	0.0215	-	360 B	1.00
FlatFiles_Write	1	474.5 ns	21.56 ns	5.60 ns	2.27	0.03	0.0420	-	712 B	1.98
RecordParser_Write	1	21,671.7 ns	4,072.64 ns	630.25 ns	103.84	2.85	1.0986	-	18128 B	50.36

FixedWidthParser_Write	100	13,343.9 ns	96.25 ns	25.00 ns	0.68	0.00	-	-	-	0.00
FileHelpers_Write	100	19,594.4 ns	250.68 ns	65.10 ns	1.00	0.00	1.9531	-	32832 B	1.00
FlatFiles_Write	100	43,848.8 ns	2,255.06 ns	348.97 ns	2.24	0.02	4.2114	-	71200 B	2.17
RecordParser_Write	100	56,473.0 ns	25,011.95 ns	3,870.63 ns	2.88	0.18	1.2207	-	20440 B	0.62

FixedWidthParser_Write	1000	133,700.7 ns	476.48 ns	73.74 ns	0.69	0.00	-	-	-	0.00
FileHelpers_Write	1000	193,761.6 ns	2,491.91 ns	647.14 ns	1.00	0.00	19.5313	-	328032 B	1.00
RecordParser_Write	1000	452,414.7 ns	66,463.10 ns	10,285.24 ns	2.33	0.05	78.1250	76.1719	1314575 B	4.01
FlatFiles_Write	1000	453,686.7 ns	10,327.63 ns	1,598.21 ns	2.34	0.01	42.4805	-	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]	51.18 ns	1.156 ns	0.300 ns	1.00	0.0029	48 B	1.00
Parse_WithStringPool	Jane (...)0.00 [25]	83.95 ns	0.335 ns	0.052 ns	1.64	-	-	0.00

Parse_NoPool	John (...)0.00 [25]	55.52 ns	1.184 ns	0.307 ns	1.00	0.0024	40 B	1.00
Parse_WithStringPool	John (...)0.00 [25]	79.31 ns	0.425 ns	0.066 ns	1.43	-	-	0.00

Benchmarks.Perf.PipeReaderBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
Intel Xeon Platinum 8370C CPU 2.80GHz, 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-v4
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v4

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Allocated	Alloc Ratio
Stream_ReadAsync	100	7.511 μs	0.0839 μs	0.0218 μs	1.00	0.00	0.1602	4.09 KB	1.00
Pipe_ReadAsync	100	15.189 μs	0.0602 μs	0.0093 μs	2.02	0.01	0.1678	4.48 KB	1.10
Pipe_ReadAsync_SmallSegments	100	54.932 μs	0.2679 μs	0.0696 μs	7.31	0.02	0.1831	4.67 KB	1.14

Stream_ReadAsync	1000	74.906 μs	1.2745 μs	0.1972 μs	1.00	0.00	1.4648	38.54 KB	1.00
Pipe_ReadAsync	1000	163.922 μs	2.2686 μs	0.5891 μs	2.19	0.01	1.4648	39.03 KB	1.01
Pipe_ReadAsync_SmallSegments	1000	547.100 μs	2.5526 μs	0.3950 μs	7.30	0.02	0.9766	39.13 KB	1.02

Benchmarks.Perf.ReaderBenchmarks


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	Gen0	Allocated	Alloc Ratio
GeneratedReader_Read	100	4.575 μs	0.0455 μs	0.0118 μs	0.58	0.2289	3952 B	0.354
SpanReader_Read	100	5.981 μs	0.0851 μs	0.0132 μs	0.76	0.2289	3952 B	0.354
Naive_ReadLine	100	7.877 μs	0.1644 μs	0.0254 μs	1.00	0.6561	11152 B	1.000
GeneratedReader_Read_Pooled	100	9.489 μs	0.0827 μs	0.0128 μs	1.20	-	32 B	0.003
SpanReader_Read_Pooled	100	11.969 μs	0.0792 μs	0.0206 μs	1.52	-	32 B	0.003

GeneratedReader_Read	1000	47.302 μs	0.1787 μs	0.0276 μs	0.68	2.3193	39232 B	0.353
SpanReader_Read	1000	60.827 μs	0.2560 μs	0.0665 μs	0.87	2.3193	39232 B	0.353
Naive_ReadLine	1000	69.660 μs	0.4199 μs	0.1090 μs	1.00	6.5918	111232 B	1.000
GeneratedReader_Read_Pooled	1000	91.334 μs	0.5680 μs	0.1475 μs	1.31	-	32 B	0.000
SpanReader_Read_Pooled	1000	108.365 μs	1.3431 μs	0.3488 μs	1.56	-	32 B	0.000

Benchmarks.Perf.ReaderStartupBenchmarks


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	Mean	Error	StdDev	Ratio	Gen0	Allocated	Alloc Ratio
ReflectionReader_ConstructAndReadOne	117.1 ns	1.88 ns	0.49 ns	1.00	0.0057	96 B	1.00
GeneratedReader_ReadOne	124.5 ns	2.47 ns	0.64 ns	1.06	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]	37.79 ns	0.273 ns	0.042 ns	0.76	0.0024	40 B	1.00
Reflection	John (...)00.00 [25]	49.62 ns	1.246 ns	0.324 ns	1.00	0.0024	40 B	1.00

Benchmarks.Perf.WriterBenchmarks


BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.5 LTS (Noble Numbat)
INTEL XEON PLATINUM 8573C 2.30GHz, 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-v4
  Job-MEHJPP : .NET 10.0.12 (10.0.12, 10.0.1226.42308), X64 RyuJIT x86-64-v4

IterationCount=5  WarmupCount=1

Method	Count	Mean	Error	StdDev	Ratio	Gen0	Allocated	Alloc Ratio
WriteMany_ReuseWriter	1	101.8 ns	0.10 ns	0.02 ns	0.27	-	-	0.00
WriteMany_ReuseWriterSpan	1	102.1 ns	0.89 ns	0.23 ns	0.27	-	-	0.00
WriteMany_AsyncReuseWriter	1	148.8 ns	2.39 ns	0.37 ns	0.39	0.0002	32 B	0.01
WriteMany_NewStream	1	378.4 ns	5.83 ns	0.90 ns	1.00	0.0262	2224 B	1.00
WriteMany_AsyncNewStream	1	780.8 ns	6.89 ns	1.07 ns	2.06	0.0639	5360 B	2.41

WriteMany_ReuseWriter	100	10,847.1 ns	66.95 ns	17.39 ns	0.94	-	-	0.000
WriteMany_ReuseWriterSpan	100	10,910.5 ns	64.11 ns	16.65 ns	0.95	-	-	0.000
WriteMany_NewStream	100	11,536.0 ns	66.67 ns	10.32 ns	1.00	0.0610	5328 B	1.000
WriteMany_AsyncReuseWriter	100	12,263.7 ns	116.40 ns	30.23 ns	1.06	-	32 B	0.006
WriteMany_AsyncNewStream	100	12,469.3 ns	387.98 ns	100.76 ns	1.08	0.0610	5360 B	1.006

WriteMany_ReuseWriterSpan	1000	108,203.1 ns	269.41 ns	41.69 ns	0.99	-	-	0.000
WriteMany_NewStream	1000	109,247.0 ns	721.58 ns	187.39 ns	1.00	-	5328 B	1.000
WriteMany_ReuseWriter	1000	109,861.4 ns	714.73 ns	185.61 ns	1.01	-	-	0.000
WriteMany_AsyncReuseWriter	1000	117,279.6 ns	451.27 ns	117.19 ns	1.07	-	32 B	0.006
WriteMany_AsyncNewStream	1000	120,617.4 ns	602.99 ns	93.31 ns	1.10	-	5360 B	1.006

Bump CsCheck from 4.7.0 to 4.9.1

fe496cd

--- updated-dependencies: - dependency-name: CsCheck dependency-version: 4.9.1 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>

dependabot Bot mentioned this pull request Sep 24, 2026

Bump CsCheck from 4.7.0 to 4.9.0 #66

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Bump CsCheck from 4.7.0 to 4.9.1 - #70

Bump CsCheck from 4.7.0 to 4.9.1#70
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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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