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Message-ID: <ecf66efcaac44bfcfa5b031e3705fdd8@smtp.hushmail.com> Date: Mon, 14 Oct 2013 00:16:06 +0200 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: Re: "AVX 4x" instead of "AVX 8x" On 2013-10-09 11:47, Dhiru Kholia wrote: > On 10/02/13 at 07:30pm, magnum wrote: >> Just to confuse you a bit more I just committed a change so you'll get 8x >> from now on (you'll need to "make clean" after pulling that) because this >> seems to be slightly faster for version 4.7 and 4.8 of gcc. > > It worked. I now get "8x" on my system too :-) Just for the record I changed this again, after finally realizing why I got different results at different times. Now, if you have gcc >= 4.7 *and* have (and build for) AVX/XOP, you get 8x, otherwise you get 4x. I tested a snapshot of gcc-4.9 and it too is fine with this. magnum
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