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Blitmask: NEON optimised version of the D32_A8 functions
Here are the microbenchmark results I got for the D32_A8
functions:
Cortex-A9:
==========
+-------+--------+--------+--------+
| count | Black | Opaque | Color |
+-------+--------+--------+--------+
| 1 | -14% | -39,5% | -37,5% |
+-------+--------+--------+--------+
| 2 | -3% | -29,9% | -25% |
+-------+--------+--------+--------+
| 4 | -11,3% | -22% | -14,5% |
+-------+--------+--------+--------+
| 8 | +128% | +66,6% | +105% |
+-------+--------+--------+--------+
| 16 | +159% | +102% | +149% |
+-------+--------+--------+--------+
| 64 | +189% | +136% | +189% |
+-------+--------+--------+--------+
| 256 | +126% | +102% | +149% |
+-------+--------+--------+--------+
| 1024 | +67,5% | +81,4% | +123% |
+-------+--------+--------+--------+
Cortex-A15:
===========
+-------+--------+--------+--------+
| count | Black | Opaque | Color |
+-------+--------+--------+--------+
| 1 | -24% | -46,5% | -37,5% |
+-------+--------+--------+--------+
| 2 | -18,5% | -35,5% | -28% |
+-------+--------+--------+--------+
| 4 | -5,2% | -17,5% | -15,5% |
+-------+--------+--------+--------+
| 8 | +72% | +65,8% | +84,7% |
+-------+--------+--------+--------+
| 16 | +168% | +117% | +149% |
+-------+--------+--------+--------+
| 64 | +165% | +110% | +145% |
+-------+--------+--------+--------+
| 256 | +106% | +99,6% | +141% |
+-------+--------+--------+--------+
| 1024 | +93,7% | +94,7% | +130% |
+-------+--------+--------+--------+
Blitmask: add NEON optimised PlatformBlitRowProcs16
Here are the microbenchmark results (speedup vs. C code):
+-------+-----------------+-----------------+
| | Cortex-A9 | Cortex-A15 |
| count +--------+--------+--------+--------+
| | Blend | Opaque | Blend | Opaque |
+-------+--------+--------+--------+--------+
| 1 | -19,2% | -36,7% | -33,6% | -44,7% |
+-------+--------+--------+--------+--------+
| 2 | -12,6% | -27,8% | -39% | -48% |
+-------+--------+--------+--------+--------+
| 4 | -11,5% | -21,6% | -37,7% | -44,3% |
+-------+--------+--------+--------+--------+
| 8 | +141% | +59,7% | +123% | +48,7% |
+-------+--------+--------+--------+--------+
| 16 | +213% | +119% | +214% | +121% |
+-------+--------+--------+--------+--------+
| 64 | +212% | +105% | +242% | +167% |
+-------+--------+--------+--------+--------+
| 256 | +289% | +167% | +249% | +207% |
+-------+--------+--------+--------+--------+
| 1024 | +273% | +169% | +146% | +220% |
+-------+--------+--------+--------+--------+
Signed-off-by: Kévin PETIT <kevin.petit@arm.com>
BUG=
R=djsollen@google.com, mtklein@google.com, reed@google.com
Author: kevin.petit.arm@gmail.com
Review URL: https://codereview.chromium.org/23719002
git-svn-id: http://skia.googlecode.com/svn/trunk@12420 2bbb7eff-a529-9590-31e7-b0007b416f81
|
rmistry@google.com
skia.committer@gmail.com
commit-bot@chromium.org