Date: Sat, 23 Jun 2012 23:51:57 +0200 From: Frank Dittrich <frank_dittrich@...mail.com> To: john-dev@...ts.openwall.com Subject: Re: Some relbench results for linux-x86-sse2 (jumbo5 vs. upcoming jumbo6) On 06/23/2012 11:37 PM, Solar Designer wrote: > Frank, > > On Sat, Jun 23, 2012 at 11:11:09PM +0200, Frank Dittrich wrote: >> And these are the worst regressions: >> $ ./relbench -v j5-sse2-mod.txt j6-sse2.txt|grep "^Ratio:"|cut -f >> 2-|sort -n|head -n 10 > ... >> 0.61111 real, 0.61111 virtual MediaWiki md5($s.'-'.md5($p)):Many salts >> 0.87012 real, 0.87891 virtual phpass MD5 ($P$9):Raw > ... >> 0.88684 real, 0.89589 virtual MySQL:Raw > ... >> 0.90846 real, 0.90857 virtual dynamic_27: FreeBSD MD5:Raw >> 0.91026 real, 0.91026 virtual Generic salted MD4:Many salts >> 0.92756 real, 0.92756 virtual dynamic_0: md5($p) (raw-md5):Raw > > Can you post the actual output for these (for both versions)? I'll attach 3 files with benchmark output, the j6 one (current git),and two j5 (original and modified by benchmark-unify). UPDATE: I had to compress them to educe the size. > Are these regressions fully reproducible if you re-run both versions? I just tried the first two, they are fully reproducible. At least for MediaWiki, I suspect JimF's patches to support --regen-lost-salts, but I may be wrong. > What make target did you use? linux-x86-sse2 or linux-x86-sse2i? sse2, without OMP. I intended to add more benchmarks, but I thought I better try this with x86-64 on my Laptop with an i7-2820QM CPU @ 2.30GHz. Frank Download attachment "benchmarks-x86-sse.tgz" of type "application/x-gzip" (7667 bytes)
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