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Message-ID: <CABob6ioJMXGW3k-7v5UdYPPBLH58sP8E=vyNrsvXEeZ=qSvD0w@mail.gmail.com>
Date: Wed, 7 Sep 2016 23:14:47 +0200
From: Lukas Odzioba <lukas.odzioba@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: Intel KNL test machine
2016-09-07 15:25 GMT+02:00 Solar Designer <solar@...nwall.com>:
> Yes, thanks. Lukas already ran some benchmarks on a similar device, but
> I think he never published those, in part because the descrypt ones were
> for AVX2 rather than AVX-512.
I think I can find some spare time this weekend to try to fix code,
rerun my tests
and post results, unless Lei wants to do this - which I don't mind :)
Have in mind that AVX512 there is a different set of instructions from
those on KNC,
so it's better to use some recent compiler. Also Linux kernel must
support avx512,
which you can check via $ cat /proc/cpuinfo | grep -i avx512
There should be avx512f, avx512pf, avx512cd, avx512er extensions.
Thanks,
Lukas
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