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@leandromoh
leandromoh committed Oct 16, 2023
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Expand Up @@ -4,7 +4,7 @@

``` ini

BenchmarkDotNet=v0.13.2, OS=Windows 10 (10.0.19044.2364/21H2/November2021Update)
BenchmarkDotNet=v0.13.2, OS=Windows 10 (10.0.19045.3448)
Intel Core i7-8650U CPU 1.90GHz (Kaby Lake R), 1 CPU, 8 logical and 4 physical cores
.NET SDK=7.0.100
[Host] : .NET 7.0.0 (7.0.22.51805), X64 RyuJIT AVX2
Expand All @@ -13,20 +13,24 @@ Intel Core i7-8650U CPU 1.90GHz (Kaby Lake R), 1 CPU, 8 logical and 4 physical c
Job=.NET 7.0 Runtime=.NET 7.0

```
| Method | LimitRecord | Mean | Error | StdDev | Gen0 | Gen1 | Gen2 | Allocated |
|------------------------------------------- |------------ |-----------:|---------:|---------:|------------:|-----------:|----------:|----------:|
| Write_VariableLength_ManualString | 500000 | 635.6 ms | 12.71 ms | 22.92 ms | 30000.0000 | - | - | 121.45 MB |
| Write_VariableLength_RecordParser | 500000 | 623.3 ms | 12.35 ms | 28.13 ms | 1000.0000 | - | - | 5.17 MB |
| Write_VariableLength_FlatFiles | 500000 | 1,176.2 ms | 22.87 ms | 20.27 ms | 155000.0000 | - | - | 618.96 MB |
| Write_VariableLength_CSVHelper | 500000 | 938.2 ms | 17.82 ms | 17.50 ms | 71000.0000 | 10000.0000 | 5000.0000 | 523.14 MB |
| Write_VariableLength_SoftCircuitsCsvParser | 500000 | 1,213.2 ms | 26.72 ms | 78.37 ms | 118000.0000 | - | - | 473.08 MB |
| Write_VariableLength_ZString | 500000 | 608.5 ms | 12.15 ms | 33.45 ms | 1000.0000 | - | - | 5.15 MB |
| Method | LimitRecord | parallel | ordered | Mean | Error | StdDev | Gen0 | Gen1 | Gen2 | Allocated |
|-------------------------------------------- |------------ |--------- |-------- |-----------:|---------:|---------:|------------:|----------:|----------:|----------:|
| Write_VariableLength_RecordParser_Extension | 500000 | False | ? | 498.3 ms | 9.88 ms | 23.68 ms | - | - | - | 1.63 MB |
| Write_VariableLength_RecordParser_Extension | 500000 | True | False | 864.3 ms | 17.18 ms | 31.84 ms | - | - | - | 1.7 MB |
| Write_VariableLength_RecordParser_Extension | 500000 | True | True | 892.6 ms | 16.88 ms | 38.45 ms | - | - | - | 1.7 MB |
| Write_VariableLength_ManualString | 500000 | ? | ? | 660.0 ms | 13.13 ms | 31.20 ms | 30000.0000 | - | - | 121.45 MB |
| Write_VariableLength_RecordParser | 500000 | ? | ? | 622.5 ms | 12.32 ms | 29.99 ms | 1000.0000 | - | - | 5.17 MB |
| Write_VariableLength_FlatFiles | 500000 | ? | ? | 1,138.8 ms | 19.50 ms | 23.95 ms | 155000.0000 | - | - | 618.96 MB |
| Write_VariableLength_CSVHelper | 500000 | ? | ? | 946.5 ms | 18.72 ms | 27.45 ms | 73000.0000 | 7000.0000 | 7000.0000 | 523.16 MB |
| Write_VariableLength_SoftCircuitsCsvParser | 500000 | ? | ? | 1,150.2 ms | 21.87 ms | 24.31 ms | 118000.0000 | - | - | 473.08 MB |
| Write_VariableLength_ZString | 500000 | ? | ? | 568.4 ms | 14.39 ms | 41.05 ms | 1000.0000 | - | - | 5.15 MB |


### VariableLength Read

``` ini

BenchmarkDotNet=v0.13.2, OS=Windows 10 (10.0.19045.3208)
BenchmarkDotNet=v0.13.2, OS=Windows 10 (10.0.19045.3448)
Intel Core i7-8650U CPU 1.90GHz (Kaby Lake R), 1 CPU, 8 logical and 4 physical cores
.NET SDK=7.0.100
[Host] : .NET 7.0.0 (7.0.22.51805), X64 RyuJIT AVX2
Expand All @@ -35,30 +39,32 @@ Intel Core i7-8650U CPU 1.90GHz (Kaby Lake R), 1 CPU, 8 logical and 4 physical c
Job=.NET 7.0 Runtime=.NET 7.0

```
| Method | LimitRecord | parallel | quoted | Mean | Error | StdDev | Gen0 | Gen1 | Gen2 | Allocated |
|------------------------------------------ |------------ |--------- |------- |-----------:|---------:|---------:|------------:|------------:|----------:|-----------:|
| Read_VariableLength_RecordParser_Parallel | 500000 | False | False | 671.0 ms | 6.10 ms | 5.10 ms | 7000.0000 | 4000.0000 | 1000.0000 | 107.65 MB |
| Read_VariableLength_RecordParser_Raw | 500000 | False | False | 1,114.6 ms | 13.91 ms | 12.33 ms | 15000.0000 | 8000.0000 | 2000.0000 | 154.09 MB |
| Read_VariableLength_RecordParser_Parallel | 500000 | False | True | 671.8 ms | 10.96 ms | 10.25 ms | 7000.0000 | 4000.0000 | 1000.0000 | 107.66 MB |
| Read_VariableLength_RecordParser_Raw | 500000 | False | True | 1,118.7 ms | 14.47 ms | 13.54 ms | 16000.0000 | 9000.0000 | 2000.0000 | 154.09 MB |
| Read_VariableLength_RecordParser_Parallel | 500000 | True | False | 243.1 ms | 4.71 ms | 9.41 ms | 10666.6667 | 6333.3333 | 1000.0000 | 54.73 MB |
| Read_VariableLength_RecordParser_Raw | 500000 | True | False | 625.8 ms | 12.21 ms | 17.89 ms | 22000.0000 | 12000.0000 | 3000.0000 | 276.38 MB |
| Read_VariableLength_RecordParser_Parallel | 500000 | True | True | 268.1 ms | 4.46 ms | 3.72 ms | 10500.0000 | 5500.0000 | 1000.0000 | 54.87 MB |
| Read_VariableLength_RecordParser_Raw | 500000 | True | True | 641.3 ms | 12.78 ms | 17.06 ms | 22000.0000 | 12000.0000 | 3000.0000 | 275.11 MB |
| Read_VariableLength_ManualString | 500000 | ? | ? | 502.6 ms | 9.59 ms | 10.26 ms | 90000.0000 | - | - | 360.43 MB |
| Read_VariableLength_RecordParser | 500000 | ? | ? | 457.1 ms | 8.83 ms | 9.45 ms | 12000.0000 | - | - | 49.37 MB |
| Read_VariableLength_FlatFiles | 500000 | ? | ? | 1,672.7 ms | 27.02 ms | 25.28 ms | 207000.0000 | - | - | 825.79 MB |
| Read_VariableLength_ManualSpan | 500000 | ? | ? | 386.5 ms | 7.34 ms | 6.86 ms | 12000.0000 | - | - | 49.32 MB |
| Read_VariableLength_CSVHelper | 500000 | ? | ? | 1,690.9 ms | 12.68 ms | 11.24 ms | 36000.0000 | 15000.0000 | 4000.0000 | 275.34 MB |
| Read_VariableLength_TinyCsvParser | 500000 | ? | ? | 621.1 ms | 12.18 ms | 13.04 ms | 277000.0000 | 138000.0000 | 2000.0000 | 1308.19 MB |
| Read_VariableLength_Cursively_Async | 500000 | ? | ? | 381.1 ms | 7.30 ms | 15.56 ms | 12000.0000 | - | - | 49.4 MB |
| Read_VariableLength_Cursively_Sync | 500000 | ? | ? | 332.9 ms | 6.42 ms | 8.12 ms | 12000.0000 | - | - | 49.47 MB |
| Method | parallel | quoted | Mean | Error | StdDev | Median | Gen0 | Gen1 | Gen2 | Allocated |
|----------------------------------------------------- |--------- |------- |-----------:|----------:|----------:|-----------:|------------:|------------:|----------:|-----------:|
| Read_VariableLength_RecordParser_Parallel | False | False | 630.6 ms | 12.46 ms | 13.33 ms | 629.6 ms | 8000.0000 | 5000.0000 | 2000.0000 | 123.66 MB |
| Read_VariableLength_RecordParser_Raw | False | False | 1,069.3 ms | 17.73 ms | 17.41 ms | 1,066.0 ms | 16000.0000 | 9000.0000 | 3000.0000 | 170.1 MB |
| Read_VariableLength_FullQuoted_RecordParser_Parallel | False | True | 880.2 ms | 16.98 ms | 18.87 ms | 874.6 ms | 8000.0000 | 5000.0000 | 2000.0000 | 123.66 MB |
| Read_VariableLength_RecordParser_Parallel | False | True | 630.8 ms | 12.20 ms | 13.05 ms | 626.3 ms | 8000.0000 | 5000.0000 | 2000.0000 | 123.66 MB |
| Read_VariableLength_RecordParser_Raw | False | True | 1,097.8 ms | 19.93 ms | 49.27 ms | 1,081.0 ms | 16000.0000 | 9000.0000 | 3000.0000 | 170.09 MB |
| Read_VariableLength_RecordParser_Parallel | True | False | 268.0 ms | 12.70 ms | 34.77 ms | 257.4 ms | 17500.0000 | 12500.0000 | 3000.0000 | 131.49 MB |
| Read_VariableLength_RecordParser_Raw | True | False | 779.9 ms | 62.07 ms | 175.07 ms | 692.3 ms | 24000.0000 | 14000.0000 | 4000.0000 | 292.69 MB |
| Read_VariableLength_FullQuoted_RecordParser_Parallel | True | True | 494.6 ms | 19.31 ms | 55.73 ms | 477.0 ms | 11000.0000 | 8000.0000 | 2000.0000 | 77.84 MB |
| Read_VariableLength_RecordParser_Parallel | True | True | 275.8 ms | 16.36 ms | 46.67 ms | 259.0 ms | 18000.0000 | 14000.0000 | 3000.0000 | 139.46 MB |
| Read_VariableLength_RecordParser_Raw | True | True | 779.1 ms | 58.37 ms | 162.71 ms | 712.7 ms | 24000.0000 | 14000.0000 | 4000.0000 | 294.67 MB |
| Read_VariableLength_ManualString | ? | ? | 672.6 ms | 44.27 ms | 130.55 ms | 630.9 ms | 90000.0000 | - | - | 360.43 MB |
| Read_VariableLength_RecordParser | ? | ? | 536.3 ms | 30.41 ms | 87.25 ms | 494.9 ms | 12000.0000 | - | - | 49.38 MB |
| Read_VariableLength_FlatFiles | ? | ? | 2,526.6 ms | 215.40 ms | 631.75 ms | 2,461.8 ms | 207000.0000 | - | - | 825.79 MB |
| Read_VariableLength_ManualSpan | ? | ? | 478.5 ms | 34.55 ms | 100.77 ms | 418.9 ms | 12000.0000 | - | - | 49.32 MB |
| Read_VariableLength_CSVHelper | ? | ? | 2,254.4 ms | 202.15 ms | 592.87 ms | 1,950.0 ms | 36000.0000 | 15000.0000 | 4000.0000 | 275.33 MB |
| Read_VariableLength_TinyCsvParser | ? | ? | 839.7 ms | 68.89 ms | 196.55 ms | 752.9 ms | 282000.0000 | 120000.0000 | 2000.0000 | 1308.21 MB |
| Read_VariableLength_Cursively_Async | ? | ? | 464.7 ms | 25.70 ms | 73.75 ms | 433.6 ms | 12000.0000 | - | - | 49.46 MB |
| Read_VariableLength_Cursively_Sync | ? | ? | 387.8 ms | 34.30 ms | 100.60 ms | 328.4 ms | 12000.0000 | - | - | 49.53 MB |

### FixedLength Read

``` ini

BenchmarkDotNet=v0.13.2, OS=Windows 10 (10.0.19044.2364/21H2/November2021Update)
BenchmarkDotNet=v0.13.2, OS=Windows 10 (10.0.19045.3448)
Intel Core i7-8650U CPU 1.90GHz (Kaby Lake R), 1 CPU, 8 logical and 4 physical cores
.NET SDK=7.0.100
[Host] : .NET 7.0.0 (7.0.22.51805), X64 RyuJIT AVX2
Expand All @@ -67,9 +73,13 @@ Intel Core i7-8650U CPU 1.90GHz (Kaby Lake R), 1 CPU, 8 logical and 4 physical c
Job=.NET 7.0 Runtime=.NET 7.0

```
| Method | LimitRecord | Mean | Error | StdDev | Median | Gen0 | Allocated |
|------------------------------ |------------ |-----------:|---------:|---------:|-----------:|------------:|----------:|
| Read_FixedLength_ManualString | 400000 | 541.4 ms | 10.80 ms | 28.08 ms | 532.8 ms | 74000.0000 | 295.59 MB |
| Read_FixedLength_RecordParser | 400000 | 335.1 ms | 8.25 ms | 23.81 ms | 331.4 ms | 9500.0000 | 39.51 MB |
| Read_FixedLength_ManualSpan | 400000 | 352.2 ms | 6.98 ms | 16.03 ms | 347.5 ms | 13000.0000 | 54.72 MB |
| Read_FixedLength_FlatFiles | 400000 | 1,418.9 ms | 27.83 ms | 43.33 ms | 1,419.2 ms | 247000.0000 | 989.03 MB |
| Method | LimitRecord | parallel | Mean | Error | StdDev | Median | Gen0 | Gen1 | Gen2 | Allocated |
|--------------------------------------- |------------ |--------- |-----------:|---------:|---------:|-----------:|------------:|----------:|----------:|----------:|
| Read_FixedLength_RecordParser_Parallel | 400000 | False | 421.5 ms | 8.26 ms | 20.88 ms | 414.5 ms | 7000.0000 | 4000.0000 | 2000.0000 | 80.55 MB |
| Read_FixedLength_RecordParser_Parallel | 400000 | True | 210.2 ms | 4.08 ms | 5.30 ms | 209.5 ms | 13666.6667 | 7666.6667 | 2333.3333 | 112.19 MB |
| Read_FixedLength_ManualString | 400000 | ? | 440.7 ms | 6.47 ms | 5.74 ms | 441.1 ms | 74000.0000 | - | - | 295.59 MB |
| Read_FixedLength_RecordParser | 400000 | ? | 295.8 ms | 5.75 ms | 6.39 ms | 296.8 ms | 9000.0000 | - | - | 39.51 MB |
| Read_FixedLength_RecordParser_GetLines | 400000 | ? | 401.9 ms | 7.60 ms | 7.47 ms | 399.2 ms | 7000.0000 | 4000.0000 | 2000.0000 | 80.55 MB |
| Read_FixedLength_ManualSpan | 400000 | ? | 317.6 ms | 6.05 ms | 5.94 ms | 316.0 ms | 9000.0000 | - | - | 39.46 MB |
| Read_FixedLength_FlatFiles | 400000 | ? | 1,346.6 ms | 25.69 ms | 32.49 ms | 1,358.1 ms | 247000.0000 | - | - | 989.04 MB |

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