[Mesa-dev] [PATCH] i965/fs: Improve performance of copy propagation dataflow using bitsets.

Kenneth Graunke kenneth at whitecape.org
Sat Mar 23 11:16:52 PDT 2013

On 03/22/2013 02:49 PM, Eric Anholt wrote:
> Reduces compile time of l4d2's slowest shader by 17.8% +/- 1.3% (n=10).
> ---
>   .../drivers/dri/i965/brw_fs_copy_propagation.cpp   |   67 ++++++++++----------
>   1 file changed, 34 insertions(+), 33 deletions(-)

I could've sworn I reviewed this patch before.  It must've been a 
similar pass.

Once again, looks good!  Nice when something so simple helps so much.

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

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