IceLake/AVX2, Skylake/AVX or Generic/x86-64? How to decide the target?

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1 year ago
130

How to decide which architecture you are going to use as your compiler target?
Use a generic architecture as x86-64 and you lose speed.
Use a SIMD-heavy target as icelake and your code might not run in older machines.
Thankfully, you do not need to decide!

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