In C#, you can write (pseudo-code): if (AVX2) { ... } else if (SSE) { ... } else ... Then, when you run the program, the JIT will pick the first supported opti

In C#, you can write (pseudo-code): if (AVX2) { ... } else if (SSE) { ... } else ... Then, when you run the program, the JIT will pick the first supported option and eliminate the other ones.