Chromium Code Reviews Chromium Code Reviews
Issue
181523002:
ARM Skia NEON patches - 22 - S32_D565_Blend (Closed)
DescriptionARM Skia NEON patches - 22 - S32_D565_Blend
BlitRow565: new NEON version of S32_D565_Blend
This new implementation brings a good speedup in most cases and
gives exact results (removes one mismatch in gm).
Here are the benchmark results (speedup vs. existing S32A_D565_Blend):
+-------+-----------+------------+
| count | Cortex-A9 | Cortex-A15 |
+-------+-----------+------------+
| 1 | -26,7% | -27,5% |
+-------+-----------+------------+
| 2 | 0% | +53% |
+-------+-----------+------------+
| 4 | +38,3% | +26,5% |
+-------+-----------+------------+
| 8 | +10,9% | -4,5% |
+-------+-----------+------------+
| 16 | +18,2% | +1,6% |
+-------+-----------+------------+
| 64 | +22,3% | +8,75% |
+-------+-----------+------------+
| 256 | +12,3% | +11,2% |
+-------+-----------+------------+
| 1024 | +79,2% | +10,9% |
+-------+-----------+------------+
Signed-off-by: Kévin PETIT <kevin.petit@arm.com>;
BUG=skia:
Committed: http://code.google.com/p/skia/source/detail?r=14103
Patch Set 1 #Patch Set 2 : Add ignored-tests.txt #Patch Set 3 : Rebase #Patch Set 4 : Rebase #
Messages
Total messages: 12 (0 generated)
|
||||||||||||||||||||||||||||
