On Tue, 13 Dec 2011 17:09:45 -0800, Eric Anholt <eric at anholt.net> wrote: > We introduced this complexity with no evidence that it would help, just > because we thought, like you, that "avoiding cache flushes should be > good, right?". Experiments so far say we were wrong. Right, you'd think we'd have learned to not optimize in advance of data. Someday maybe we'll know better... And, of course, future hardware may require different code for optimal performance. Who would have guessed that? -- keith.packard at intel.com -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 827 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/intel-gfx/attachments/20111213/64fa6c84/attachment.pgp>
