Date: Thu, 27 Aug 2015 01:11:03 +0200 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: LWS and GWS auto-tuning On 2015-08-27 01:07, Solar Designer wrote: > On Thu, Aug 27, 2015 at 01:01:27AM +0200, magnum wrote: >> Max Work Group Size: 8192 <---- here! >> Parallel compute cores: 8 >> >> I'm do not think the de-facto limit of 1024 we've been used to is an >> actual maximum per any specifications. Also, when I tried this it ran >> just fine through the tests up to 8192 but picked a lower number as >> best. If it wasn't actually supported, we should get an >> CL_INVALID_WORK_GROUP_SIZE error and it would have been caught and >> handled properly. >> >> I presume your segfault was unrelated to the work size. > > OK. There was also "OpenCL error (CL_INVALID_VALUE) in file > (opencl_cryptmd5_fmt_plug.c) at line (381) - (Copy data back)". > > Are you going to look into these, or/and create GitHub Issues so they > are not forgotten? That is already fixed (handled) by today's changes. If you get a segfault running edfc502630 or later, I will regard it a problem. So I'm not opening issues just yet, but I am regression testing here and there :-) magnum
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