[Nouveau] [Bug 51862] Shader optimizer is extremely slow

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=51862

Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |NOTOURBUG

--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Looks like most of the time is being spent in ir_expression/etc -- these are
generic mesa glsl facilities. Please retest this with the latest mesa, I
suspect that improvements have been made. If you still think it's slow, feel
free to file a bug with the core mesa team. I don't see anything
nouveau-specific about this issue. Also, please use perf for the measurements,
it can see inside the kernel, which may relevant (that 16% chunk inside the
kernel seems high).

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