Date: Mon, 09 May 2011 08:28:30 +0200 From: magnum <rawsmooth@...dband.net> To: john-dev@...ts.openwall.com Subject: Re: John core change patch (and md5-gen, etc) On 2011-05-09 02:50, JimF wrote: > I have a pen drive with Unbutu on it now, so can more easily test > intrinsic code, and get it fully working. But this may take some > coordination again, to get a good stable version which builds properly > if a user WANTS intrinsic code, but also builds properly if they do not > (such as using GCC, or 32 bit systems). You *want* intrinsics even if using gcc, on 64-bit, if you meant otherwise. Last I checked (gcc 4.5.1 vs icc 188.8.131.52 and 1.7.6-Jumbo-12+intrinsics+fixes) I got this: crypt-md5 gcc w/o intrinsics: 10832 c/s clang w/intrinsics: 18108 c/s gcc w/ intrinsics: 19284 c/s icc w/ intrinsics: 28608 c/s phpass/md5gen(17) gcc w/o intrinsics: 2321 c/s clang w/intrinsics: 9744 c/s gcc w/ intrinsics: 10296 c/s icc w/ intrinsics: 16152 c/s phps/md5gen(6) gcc w/o intrinsics: 4640K c/s clang w/intrinsics: 15711K c/s gcc w/ intrinsics: 16167K c/s icc w/ intrinsics: 23509K c/s Here is an example where only icc performed much better. If I understand things right, This format do not have intrinsics but icc managed to do fine without them, right? mscash gcc w/o intrinsics: 13965K c/s clang w/intrinsics: 13918K c/s gcc w/ intrinsics: 13937K c/s icc w/ intrinsics: 30502K c/s magnum
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