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Why do we even need SIMD instructions?

6 ibobev 2 8/9/2025, 10:36:50 PM lemire.me ↗

Comments (2)

rbanffy · 2h ago

Ideally, a compiler would recognize the code can be turned into SIMD instructions and just issue those, but C doesn't have syntax for making it trivial. If C had a portable syntax for at least some vector operations, compilers could readily generate code with those instructions and we'd all be a lot happier.

zdw · 2h ago

That header image is some truly cursed AI abomination.