Date: Wed, 20 May 2015 23:36:35 +0200 From: Lukas Odzioba <lukas.odzioba@...il.com> To: john-dev@...ts.openwall.com Subject: Re: Agnieszka's weekly report #3 2015-05-19 13:25 GMT+02:00 Agnieszka Bielec <bielecagnieszka8@...il.com>: > I forgot about that my auto tuning is wrong (so far I'm setting gws > manually) and I will investigate this Just for the record Agnieszka and I set up a meeting to solve it tomorrow. At the first glance I found that specifying GWS via envirnoment variable is not working and this is because third parameter of this call: autotune_run(self, 1, 100, 1000); is gws_limit (see how nice it is resolved in mysql-sha1-opencl) and 64*2 (STEP 0 means *2 IIRC) is grater than 100. In the common-opencl.c there is a opencl_find_best_gws function which does the job and it's main loop is not doing anything - nothing is beeing tested because loop is not entered. You should take a look at this and from this point it should be easy to spot a problem. I am not familiar with this great auto tuning code, but maybe others can see the problem at the first sight, if not we will find this out tomorrow. One more thing when you add --verbosity=5 then you will be able to see all the messages important at this stage, so less printfs will be required to see the problem. I hope that helps, Lukas
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