BenchmarkDotNet=v0.12.1, OS=Windows 10.0.17763.1217 (1809/October2018Update/Redstone5)
Intel Xeon CPU E3-1270 V2 3.50GHz, 1 CPU, 8 logical and 4 physical cores
.NET Core SDK=3.1.302
  [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
MethodFileNameMeanErrorStdDevRatioRatioSD
NaturalC4p00743.bmp245.38 ms0.994 ms0.881 ms2.350.03
UnsafeC4p00743.bmp104.67 ms1.206 ms1.128 ms1.000.00
LinqC4p00743.bmp103.65 ms0.573 ms0.478 ms0.990.01
LinqC4VectorCachedp00743.bmp52.79 ms0.464 ms0.412 ms0.500.01