It is adapted from Jean-Loup Gailly's and Mark Adler's original implementation in zlib. A copy of the zlib copyright and license can be found in LICENSE-ZLIB.
BenchmarkDotNet=v0.12.0, OS=Windows 10.0.18363
Intel Core i7-8700 CPU 3.20GHz (Coffee Lake), 1 CPU, 12 logical and 6 physical cores
.NET Core SDK=3.1.201
[Host] : .NET Core 3.1.3 (CoreCLR 4.700.20.11803, CoreFX 4.700.20.12001), X64 RyuJIT
DefaultJob : .NET Core 3.1.3 (CoreCLR 4.700.20.11803, CoreFX 4.700.20.12001), X64 RyuJIT
| Method | TestArrayLength | Mean | Error | StdDev | Ratio |
|---|---|---|---|---|---|
| Adler32Simple | 1048576 | 3,565.44 us | 19.201 us | 17.961 us | 1.00 |
| Adler32Optimized | 1048576 | 539.25 us | 5.096 us | 4.767 us | 0.15 |
| Adler32Sse | 1048576 | 48.05 us | 0.217 us | 0.181 us | 0.01 |
| Adler32Simple | 268435456 | 918,145.36 us | 8,338.326 us | 7,799.675 us | 1.00 |
| Adler32Optimized | 268435456 | 137,536.77 us | 872.057 us | 815.722 us | 0.15 |
| Adler32Sse | 268435456 | 18,843.57 us | 161.503 us | 143.168 us | 0.02 |
| Adler32Simple | 1073741824 | 3,655,335.97 us | 26,997.570 us | 25,253.544 us | 1.00 |
| Adler32Optimized | 1073741824 | 553,457.84 us | 2,208.464 us | 1,957.746 us | 0.15 |
| Adler32Sse | 1073741824 | 75,345.60 us | 705.915 us | 625.776 us | 0.02 |
| Method | TestArrayLength | Mean | Error | StdDev | Ratio |
|---|---|---|---|---|---|
| Adler64Simple | 1048576 | 3,278.89 us | 11.125 us | 10.406 us | 1.00 |
| Adler64Optimized | 1048576 | 537.42 us | 7.890 us | 6.160 us | 0.16 |
| Adler64Sse | 1048576 | 62.79 us | 0.287 us | 0.254 us | 0.02 |
| Adler64Simple | 268435456 | 840,513.09 us | 5,000.305 us | 4,432.640 us | 1.00 |
| Adler64Optimized | 268435456 | 136,463.75 us | 516.511 us | 431.310 us | 0.16 |
| Adler64Sse | 268435456 | 21,027.56 us | 208.845 us | 195.354 us | 0.02 |
| Adler64Simple | 1073741824 | 3,407,771.96 us | 41,674.338 us | 36,943.215 us | 1.00 |
| Adler64Optimized | 1073741824 | 553,194.05 us | 6,017.076 us | 5,628.376 us | 0.16 |
| Adler64Sse | 1073741824 | 84,412.36 us | 652.594 us | 544.946 us | 0.02 |