Date: Sun, 16 Aug 2015 20:13:15 +0300 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: phpass on CPU, aka dynamic_17 magnum, Jim, Lei - As you are aware, unfortunately, disabling OpenMP for dynamic_* at compile-time currently also applies to the phpass format (aka dynamic_17), even though it is slow and should be scalable... but surprisingly shows only 3.68 out of 10.0 at the test I just ran?! (Lei's benchmarks on MIC also show this format behaving unexpectedly poorly.) Maybe you can look into getting both issues fixed: improving this format's scalability and allowing for including OpenMP for it even when other dynamic_* formats are built OpenMP-less? Maybe we should simply (re-)create a separate phpass format, not building upon the dynamic formats framework? IIRC, we had one before. Alexander
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