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Date: Tue, 25 Aug 2015 15:39:54 +0300
From: Solar Designer <>
Subject: Re: 7z-opencl crashes with auto-tuning

On Tue, Aug 25, 2015 at 03:27:47PM +0300, Solar Designer wrote:
> The 7z-opencl format passes test when run with explicit GWS and LWS, but
> crashes during/after my patched auto-tuning:

When targeting -dev=1, rar-opencl similarly crashes with the auto-tuning
patch, at the same point (when starting to tune GWS for the second
time).  However, surprisingly it doesn't crash on -dev=5 (and actually
gets tuned better than before).  7z-opencl crashes on both.

There are probably changes needed to these two formats, or to how the
auto-tuning is revised - or both.

Maybe more formats are broken with that patch.  I only tested a few.

I hope someone will take it from here.


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