Add AsmJit, SSE, AVX support!

[prepare]

see

1. https://github.com/asmjit/asmjit
2. https://github.com/hypeartist/AsmJit
3. https://github.com/blend2d/blend2d

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also

https://www.codeproject.com/Tips/855149/Csharp-Fast-Memory-Copy-Method-with-x-Assembly-Usa

https://blogs.msdn.microsoft.com/devinj/2005/07/13/dynamically-writing-and-executing-native-assembly-in-c/

https://blogs.msdn.microsoft.com/dotnet/2018/10/10/using-net-hardware-intrinsics-api-to-accelerate-machine-learning-scenarios/?utm_source=vs_developer_news&utm_medium=referral

https://github.com/google/swiftshader

https://github.com/john-h-k/MathSharp

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OR

https://github.com/ispc/ispc