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Message-ID: <CABob6ioZMqq+sc-YaboRZnfjmH9yHrLoaNNuTNbzzre72eac8A@mail.gmail.com> Date: Sat, 14 Apr 2012 02:05:52 +0200 From: Lukas Odzioba <lukas.odzioba@...il.com> To: john-dev@...ts.openwall.com Subject: Find best LWS in OpenCL formats Currently OpenCL LWS testing takes ages on gpu devices because testing starts from 1 thread goes up to maximum value for particular device/thread. I think we should change it to start from 32 for gpu's, it is simply not make sense use small values. For example for wpapsk this change affects much shorter -test run (46s reduced to 6s). ///Find best local work size my_work_group = 1; if(device_type==CL_DEVICE_TYPE_GPU) my_work_group=32; for (; (int) my_work_group <= (int) max_group_size; my_work_group *= 2) { (...) Lukas
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