Date: Tue, 26 Jun 2012 06:17:11 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: OpenCL kernel max running time vs. "ASIC hang" On Tue, Jun 26, 2012 at 07:34:42AM +0530, SAYANTAN DATTA wrote: > Wouldn't calling clEnqueNDRangeKernel too many times will cause a > performance hit? Yes, this is definitely a tradeoff. Reliability and interactive response time vs. speed. > What about pausing the execution for some time as > requested by the user. Say we press 'P' which will pasue the execution so > that the user can perform the graphic oriented tasks and then resume the > execution when he is finished. Yes, we may support something like that. We may also have a john.conf or/and command-line option to specify duty cycle (e.g., as 90%). Currently the process may be kill -STOP'ed and then kill -CONT'ed, but that's not pretty and it might trigger issues in the SDK. Alexander
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