[GitHub] [lucenenet] jeme commented on issue #297: Investigate Performance of Math Functions in .NET Standard 2.1+

[GitBox <gi...@apache.org>]

jeme commented on issue #297:
URL: https://github.com/apache/lucenenet/issues/297#issuecomment-693274279


   Some very early indications:
   
   ```
   // * Summary *
   
   BenchmarkDotNet=v0.12.1, OS=Windows 10.0.18363.1016 (1909/November2018Update/19H2)
   Intel Core i7-6700 CPU 3.40GHz (Skylake), 1 CPU, 8 logical and 4 physical cores
   .NET Core SDK=5.0.100-preview.7.20366.15
     [Host]     : .NET Core 3.1.6 (CoreCLR 4.700.20.26901, CoreFX 4.700.20.31603), X64 RyuJIT
     DefaultJob : .NET Core 3.1.6 (CoreCLR 4.700.20.26901, CoreFX 4.700.20.31603), X64 RyuJIT
   
   
   |         Method |     Mean |    Error |   StdDev |
   |--------------- |---------:|---------:|---------:|
   | MathUtil_Acosh | 115.0 us |  2.26 us |  3.58 us |
   |     Math_Acosh | 243.6 us |  4.74 us |  6.94 us |
   | MathUtil_Asinh | 111.5 us |  1.55 us |  1.45 us |
   |     Math_Asinh | 306.2 us |  3.28 us |  2.91 us |
   |   MathUtil_Log | 139.7 us |  2.79 us |  4.42 us |
   |       Math_Log | 180.5 us |  2.39 us |  1.99 us |
   | MathUtil_Atanh | 649.9 us | 10.32 us |  8.06 us |
   |     Math_Atanh | 519.9 us | 10.33 us | 11.48 us |
   ```


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