intel-gem: Add a quick hack to reduce clflushing on pread.
authorEric Anholt <eric@anholt.net>
Wed, 23 Jul 2008 17:07:16 +0000 (10:07 -0700)
committerEric Anholt <eric@anholt.net>
Wed, 23 Jul 2008 17:10:54 +0000 (10:10 -0700)
commit439d7106832f2e9742deb900d96f1d3bc07162b1
treef016507c4003135279ac53cb8c5521217306c8a0
parentbddb952578d58c4dcfafe969c045a39d27666b56
intel-gem: Add a quick hack to reduce clflushing on pread.

This increases overhead for the large-readpixels case due to the repeated
page cache accessing, but greatly reduces overhead for the small-readpixels
case.
linux-core/i915_gem.c