Date: Fri, 29 Jun 2012 17:29:26 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: sip_fmt_plug.c: non-optimal max_keys_per_crypt for non-OpenMP Dhiru - Here's what I observe for non-OpenMP vs. OpenMP builds of john-1.7.9-jumbo-6 on FX-8120: Number of benchmarks: 202 Minimum: 0.76235 real, 0.09553 virtual Maximum: 30.51791 real, 3.81904 virtual Median: 1.01479 real, 0.98287 virtual Median absolute deviation: 0.02747 real, 0.03514 virtual Geometric mean: 1.71441 real, 0.77454 virtual Geometric standard deviation: 2.08823 real, 1.50966 virtual The 30x is for: Ratio: 30.51791 real, 3.81904 virtual SIP MD5:Raw This is reproducible. I guess the poor speed for non-OpenMP is because the key count is too low (just 1, actually). We need to tune it. Alexander
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