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Date: Sun, 26 Jul 2015 16:11:52 +0200
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: PHC: Lyra2 vs yescrypt benchmarks 2
Agnieszka,
On Sun, Jul 26, 2015 at 04:02:19PM +0200, Agnieszka Bielec wrote:
> my undestranding was that when intrinsic are in SSE2 but AVX is
> avalialbe they are compiled to AVX,
Yes, although that's only part of the story.
> and similarly SSE4 -> AVX2
No. This indicates that you don't understand what SSE4 is, and what
AVX2 is. Please read up on them, then answer my question again.
And you really ought to be reading assembly output to get a feeling of
this stuff.
Thanks,
Alexander
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