Date: Sat, 26 Jan 2013 18:20:42 +0100 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: Proposed optimizations to pwsafe On 01/26/2013 04:49 PM, Claudio André wrote: > Em 26-01-2013 07:28, magnum escreveu: >> Bleeding has experimental multi-device support added, and possibly >> some initial performane regression from that (that we hopefully can fix). >> >> magnum > > This is not expected. > - if OpenCL is not enabled, none of this opencl multi-gpu is executed. > - at common-cuda, and i saw no reason for regression (but i know nothing > about CUDA). I meant the pwsafe-cuda format itself. It's the first and so far only CUDA format that can use multiple devices. Our shared code currently doesn't let you select multiple CUDA devices though. magnum
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