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authorJason Ekstrand <[email protected]>2019-05-04 23:51:23 -0500
committerJason Ekstrand <[email protected]>2019-05-10 09:10:17 -0500
commit20bbc175a4eea5604357bae6690efa1bb1f37feb (patch)
treec4d72a28fdd1b11b3962e4d5f988ad584d51449e /src/broadcom
parent0b6da5bac66dc9abb9bd4617b156186c4fd3f92b (diff)
intel/fs/copy-prop: Purge unused ACPs
If the destination of an ACP entry exists only within this block, then there's no need to keep it for dataflow analysis. We can delete it from the out_acp table and avoid growing the bitsets any bigger than we absolutely have to. This reduces the maximum number of global ACP entries in the vs-isnan-dvec with software fp64 on Kaby Lake from 8630 to 3942 and takes the execution time of the piglit vs-isnan-dvec test from about 1:16.2 on an unoptimized debug build (what we run in CI) with NIR_VALIDATE=0 to about 56.4 seconds. Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Matt Turner <[email protected]>
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