Date: Mon, 22 Apr 2013 16:57:34 -0500 From: "jfoug" <jfoug@....net> To: <john-dev@...ts.openwall.com> Subject: RE: formats that duplicate dynamics here are some quick/dirty timings. $ ../run/john -test=5 -form=postgres Benchmarking: PostgreSQL MD5 challenge-response [32/32]... (8xOMP) DONE Raw: 4860K c/s real, 1548K c/s virtual $ OMP_NUM_THREADS=1 ../run/john -test=5 -form=dynamic_1015 Benchmarking: dynamic_1015 md5(md5($p.$u).$s) [128/128 SSE2 intrinsics 480x4x3]... DONE Many salts: 8669K c/s real, 8696K c/s virtual Only one salt: 7435K c/s real, 7432K c/s virtual Benchmarking: dynamic_1015 md5(md5($p.$u).$s) [128/128 SSE2 intrinsics 480x4x3]... (4xOMP) DONE Many salts: 26749K c/s real, 7654K c/s virtual Only one salt: 16951K c/s real, 6915K c/s virtual So even non-OMP 'unstable', 1015 should much faster than postgres format, on any reasonable build, simply due to SSE2 Jim. From: magnum Sent: Monday, April 22, 2013 15:12 >A caveat is that postgres supports OMP while dynamic does not, in unstable. > >Bleeding's dynamic does support OMP now though (thanks, Jim!), so this alternative will become increasingly attractive as this support matures. In bleeding I think we should start to get rid of thick formats that can be done with dynamic (and/or a thin format) unless they are significantly faster than dynamic. > >magnum
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