jeme edited a comment on issue #297:
URL: https://github.com/apache/lucenenet/issues/297#issuecomment-693274279
I threw a very quick-n-dirty benchmark together just to get an early idea.
``` ini
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 μs | 2.26 μs | 3.58 μs |
| Math_Acosh | 243.6 μs | 4.74 μs | 6.94 μs |
| MathUtil_Asinh | 111.5 μs | 1.55 μs | 1.45 μs |
| Math_Asinh | 306.2 μs | 3.28 μs | 2.91 μs |
| MathUtil_Log | 139.7 μs | 2.79 μs | 4.42 μs |
| Math_Log | 180.5 μs | 2.39 μs | 1.99 μs |
| MathUtil_Atanh | 649.9 μs | 10.32 μs | 8.06 μs |
| Math_Atanh | 519.9 μs | 10.33 μs | 11.48 μs |
There is quite a few things to sort out, like platformes etc. but just
wanted to add the early indications.
This is the numbers for running the computation over 10.000 randomly
selected doubles from 0 to ~int.max...
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