Date: Fri, 3 May 2013 11:06:40 -0300 From: Claudio André <claudioandre.br@...il.com> To: john-dev@...ts.openwall.com Subject: Re: Mulit-gpu using claudio's interfaces 2013/1/19 Sayantan Datta <std2048@...il.com> > Hi Claudio,magnum, > Just to let you know. I always had in my mind that core has to change in order to create a proper multi-gpu stuff. Now that it did: Suppose the user do something like this. $ .john -dev=1,4 The main idea is that: - it will do the same a fork=2 does - one process will deal with dev=1 and another with dev=4 (I suppose the real situation is that JtR has the main process plus only one forked in this case . But this doesn't matter). - my expectation is that just a few new lines would be necessary since fork code is going to do the trick and common-opencl.c was developed with this in mind. - almost all opencl formats will start working at once. I expect problems on Sayantan's 'avoidance' of shared opencl code. - so, my expectation is that his code will stay running as they do now. This is not going to be done anytime soon (by me), but it is not a hard task if anyone volunteers. Claudio Content of type "text/html" skipped
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