On Wed, Mar 4, 2015 at 5:56 PM, Ben Avison <[email protected]> wrote: > This eliminates a number of branches over blocks of code that are either > empty or can be trivially combined with a separate code block at the start > and end of each scanline. This has a surprisingly big effect, at least on > Cortex-A7, for src_n_8: > > Before After > Mean StdDev Mean StdDev Confidence Change > L1 1570.4 133.1 1639.6 110.7 100.0% +4.4% > L2 1042.6 19.9 1086.6 23.4 100.0% +4.2% > M 1030.8 7.2 1036.8 3.2 100.0% +0.6% > HT 287.4 3.5 303.3 2.9 100.0% +5.5% > VT 262.0 2.6 263.3 2.6 99.9% +0.5% > R 206.5 2.4 209.9 2.4 100.0% +1.7% > RT 56.5 1.0 59.2 0.5 100.0% +4.7% > ---
What do you use to generate this? I'd certainly like to use it. _______________________________________________ Pixman mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/pixman
