[Bug 91857] Mesa 10.6.3 linker is slow

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Sep 7 23:14:13 PDT 2015


--- Comment #16 from Jordan Justen <jljusten at gmail.com> ---
(In reply to Clive McCarthy from comment #15)
> Factors of two, in the linking of the shader, are not an issue. There is a
> two or three orders of magnitude class of problem somewhere. An i7 far
> outclasses the Atom processor but the Nvidia linker gets the job done in
> 120ms and the i7 30 to 40 seconds.

Are you exporting __GL_SHADER_DISK_CACHE=false?

I've seen the time on an nvidia system go from
200ms to 2.1s after setting that variable.

Just trying to separate out the effects of the
nvidia shader cache...

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