Date: Sun, 13 Jan 2013 03:14:20 +0100 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: Changes to common-opencl.c On 13 Jan, 2013, at 2:48 , Lukas Odzioba <lukas.odzioba@...il.com> wrote: > Some time ago I tried to move function > finding "best" GWS/LWS to common-opencl but it didn't ended well and > now we still have bad situation where almost each format have a lot of > copy pasted code for doing that. On the countrary, it ended up very well and most formats are using your shared function for finding out LWS! Actually I am not aware of any format that enumerates LWS itself - the ones not using your function are simply picking a fixed value that works fine in all situations. Maybe some of Sayantan's formats have a local function but that is because of his early multi-gpu support as far as I can tell. Having said that, I have plans for using a private find_best_lws() for my split-kernel formats because they should do this enumeration with a lot lower iteration count than normal. I do GWS enumeration that way, and it speeds things up a great deal. Unfortunately I can't see any way to have a shared function support that. magnum
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