Date: Mon, 22 Jun 2015 06:49:02 +0300 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: bcrypt-opencl local vs. private memory On Sun, Jun 21, 2015 at 01:30:52AM +0200, magnum wrote: > On 2015-06-20 23:04, Solar Designer wrote: > > magnum, can we possibly have > > this local vs. private bit autodetected along with GWS and LWS? > > Well the bcrypt format could do so. That would be for Sayantan to > implement. However, I just commited a workaround for now, simply using > nvidia_sm_5x() instead of gpu_nvidia(). This is based on testing on your Maxwell card? What speeds are you getting for local vs. private memory there? And what card is that? > BTW for my Kepler GPU, I see no difference between using local or private. Note that I initially pointed this out for a Kepler - the TITAN that we have in super: http://www.openwall.com/lists/john-dev/2015/05/07/36 So maybe the check should be: #if nvidia_sm_3x(DEVICE_INFO) || nvidia_sm_5x(DEVICE_INFO) Alexander
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