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Date: Thu, 27 Aug 2015 01:11:03 +0200
From: magnum <>
Subject: Re: LWS and GWS auto-tuning

On 2015-08-27 01:07, Solar Designer wrote:
> On Thu, Aug 27, 2015 at 01:01:27AM +0200, magnum wrote:
>> 	Max Work Group Size:	8192  <---- here!
>> 	Parallel compute cores:	8
>> I'm do not think the de-facto limit of 1024 we've been used to is an
>> actual maximum per any specifications. Also, when I tried this it ran
>> just fine through the tests up to 8192 but picked a lower number as
>> best. If it wasn't actually supported, we should get an
>> CL_INVALID_WORK_GROUP_SIZE error and it would have been caught and
>> handled properly.
>> I presume your segfault was unrelated to the work size.
> OK.  There was also "OpenCL error (CL_INVALID_VALUE) in file
> (opencl_cryptmd5_fmt_plug.c) at line (381) - (Copy data back)".
> Are you going to look into these, or/and create GitHub Issues so they
> are not forgotten?

That is already fixed (handled) by today's changes. If you get a 
segfault running edfc502630 or later, I will regard it a problem.

So I'm not opening issues just yet, but I am regression testing here and 
there :-)


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