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DelimiterSeparatedTextParser

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Performant delimeter-separated value (CSV, TSV, etc.) text parser.

Benchmark Results

BenchmarkDotNet=v0.10.14, OS=Windows 10.0.17134
Intel Core i7-4790K CPU 4.00GHz (Haswell), 1 CPU, 8 logical and 4 physical cores
Frequency=3903987 Hz, Resolution=256.1484 ns, Timer=TSC
.NET Core SDK=2.1.301
  [Host]     : .NET Core 2.1.1 (CoreCLR 4.6.26606.02, CoreFX 4.6.26606.05), 64bit RyuJIT
  DefaultJob : .NET Core 2.1.1 (CoreCLR 4.6.26606.02, CoreFX 4.6.26606.05), 64bit RyuJIT

Method DataSize Mean Error StdDev Scaled ScaledSD Gen 0 Gen 1 Gen 2 Allocated
DelimiterSeparatedTextReader Large 24,929.372 us 341.7452 us 319.6686 us 1.00 0.00 - - - 0 B
FastCsvParser Large 58,659.486 us 507.6749 us 474.8794 us 2.35 0.03 11437.5000 187.5000 - 48360656 B
CsvTextFieldParser Large 105,256.008 us 990.7970 us 926.7921 us 4.22 0.06 44437.5000 - - 186400144 B
CsvHelper Large 196,541.906 us 1,421.1963 us 1,259.8534 us 7.89 0.11 42312.5000 - - 177611728 B
DelimiterSeparatedTextParser Large 59,266.792 us 1,169.8543 us 1,251.7309 us 1.00 0.00 2750.0000 1312.5000 437.5000 16499337 B
StringSplit Large 89,254.220 us 336.0341 us 280.6036 us 1.51 0.03 19687.5000 4687.5000 1625.0000 88000057 B
TinyCsvParser Large 160,947.603 us 2,219.3522 us 2,075.9832 us 2.72 0.07 64875.0000 4687.5000 1000.0000 25674926 B
FileHelpers Large 265,223.622 us 933.2992 us 779.3470 us 4.48 0.09 15187.5000 6500.0000 2062.5000 85322864 B
DelimiterSeparatedTextReader Medium 244.256 us 3.5335 us 3.3053 us 1.00 0.00 - - - 96 B
FastCsvParser Medium 686.830 us 9.0364 us 8.4526 us 2.81 0.05 166.0156 83.0078 83.0078 815328 B
CsvTextFieldParser Medium 1,050.241 us 16.9236 us 15.8303 us 4.30 0.08 443.3594 - - 1864144 B
CsvHelper Medium 1,957.324 us 28.4206 us 26.5846 us 8.01 0.15 425.7813 - - 1789016 B
DelimiterSeparatedTextParser Medium 375.222 us 3.1718 us 2.6486 us 1.00 0.00 38.0859 1.4648 - 160936 B
StringSplit Medium 394.238 us 4.1344 us 3.6650 us 1.05 0.01 190.4297 47.3633 - 879984 B
TinyCsvParser Medium 2,311.955 us 9.8217 us 9.1872 us 6.16 0.05 500.0000 246.0938 11.7188 330044 B
FileHelpers Medium 2,014.732 us 38.6427 us 47.4567 us 5.37 0.13 164.0625 82.0313 - 871837 B
DelimiterSeparatedTextReader Small 2.494 us 0.0361 us 0.0338 us 1.00 0.00 0.0191 - - 96 B
FastCsvParser Small 22.896 us 0.3485 us 0.3260 us 9.18 0.17 41.6565 41.6565 41.6565 208784 B
CsvTextFieldParser Small 10.506 us 0.1106 us 0.0981 us 4.21 0.07 4.4708 - - 18784 B
CsvHelper Small 21.624 us 0.2660 us 0.2488 us 8.67 0.15 6.9885 - - 29392 B
DelimiterSeparatedTextParser Small 3.985 us 0.0724 us 0.0677 us 1.00 0.00 0.4959 - - 2104 B
StringSplit Small 3.825 us 0.0751 us 0.1003 us 0.96 0.03 2.0905 - - 8784 B
TinyCsvParser Small 1,050.156 us 12.7396 us 11.2933 us 263.60 5.07 25.3906 11.7188 - 76532 B
FileHelpers Small 680.903 us 12.8899 us 13.2370 us 170.91 4.25 6.8359 2.9297 - 31812 B

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Performant delimeter-separated value (CSV, TSV, etc.) text parser.

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  • C# 100.0%