4 ms·
That's not entirely true. AVX from the beginning (introduced with Sandy Bridge), not AVX2 (introduced with Haswell), contains 128-bit instructions as well, and
by cpgxiii 4y ago
That's not entirely true. AVX from the beginning (introduced with Sandy Bridge), not AVX2 (introduced with Haswell), contains 128-bit instructions as well, and these are what's being used in the article (e.g. vpermilps).