Date: Sat, 30 May 2015 02:03:56 +0200 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: bitslice SHA-256 On 2015-05-30 01:59, magnum wrote: > On 2015-05-29 20:13, Alain Espinosa wrote: >> Hand-crafted AVX2 assembly code done for "normal" SHA256. >> Performance in a core i5-4670 3.4GHz, single thread: >> >> - 23.7 millions keys per second. 87% faster than the bitslice one >> with AVX2 intrinsics. > > What's the main cause for this huge difference between normal SHA256 > implemented in assembly versus intrinsics? Sorry, I mis-read. I though it was 87% faster than a *non* bitslice using AVX2 intrinsics. magnum
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