Date: Fri, 29 Jun 2012 11:20:50 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: 1.7.9-jumbo-6 On Fri, Jun 29, 2012 at 12:44:33PM +0530, SAYANTAN DATTA wrote: > On Fri, Jun 29, 2012 at 12:35 PM, Solar Designer <solar@...nwall.com> wrote: > > > pre-configured for AMD Radeon HD 7970, will likely fail on others unless > > WORK_GROUP_SIZE is adjusted in opencl_bf_std.h and opencl/bf_kernel.cl > > Yes it is okay. Also add this simple expression to calculate > WORK_GROUP_SIZE = (usable LDS size per WORK_GROUP in KB)/4. > eg.Usable LDS_SIZE per Work Group is 32KB for 7970 although actual LDS size > is 64 KB. That's too much detail for what I am writing. The text is too long as it is. > Or if you want I could prepare a chart for WORK_GROUP_SIZE for different > devices. You may create this wiki page: http://openwall.info/wiki/john/GPU/bcrypt If you do this right now, I might refer to it. Thanks, Alexander
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