On 2 March 2011 09:51, Michael Hope <michael.h...@linaro.org> wrote:
> On Tue, Mar 1, 2011 at 3:53 PM, Jim Huang <jim.hu...@linaro.org> wrote:
[...]
>> The skia maintainer, Mike Reed, made two branches: one is hosted in
>> Google Code, and another is
>> inside Android source tree:
>> http://android.git.kernel.org/?p=platform/external/skia.git;a=summary
>
> Thanks Jim. The Android tree doesn't have any build scripts and I'm
> reluctant to stray too far away from upstream by adding my own. I'll
> stick with the code.google one for now.
>
> I've updated:
> http://bazaar.launchpad.net/~linaro-toolchain-dev/cbuild/trunk/view/head:/lib/skiabench.mk
hi Michael,
Great to see more benchmark items.
> with interations so that each sub benchmark runs for approximately
> five seconds. This reduces the noise in the results, although I
> haven't checked to see if some of the very fast ones like fps_fill are
> dominated by the test harness overhead.
>
> For example, running:
> bench -rotate -scale -clip -config 8888 -repeat 600 -match fps_blend
>
> will take around 5 s to complete on a 1 GHz Cortex-A9.
I just updated wiki page about Google's compiler benchmark suite:
https://wiki.linaro.org/Platform/Android/UpstreamToolchain
Please check the section, "Evaluate Benchmark suite".
Through adb[1], it is highly convenient to bench generated binary
files on Android device:
$ ../scripts/run_on_android.py
../scripts/bench.py --action=runcmd
echo Android_TIME_STAMP_$(timestamp); /data/local/perflab/skia_bench
-repeat 15; echo Android_TIME_STAMP_$(timestamp)
../scripts/bench.py --action=export
./out/skia_bench
adb shell mkdir /data/local/perflab
['./out/skia_bench']
adb push ./out/skia_bench /data/local/perflab
823 KB/s (802944 bytes in 0.951s)
time adb shell 'cd /data/local/perflab; echo
Android_TIME_STAMP_$(timestamp); /data/local/perflab/skia_bench
-repeat 15; echo Android_TIME_STAMP_$(timestamp)'
0.00user 0.00system 4:33.25elapsed 0%CPU (0avgtext+0avgdata 4208maxresident)k
0inputs+0outputs (0major+325minor)pagefaults 0swaps
timestamp: not found
Android_TIME_STAMP_
running bench decode_4444_(null) 8888: 0.07 565: 0.00 4444:
0.00 A8: 0.07
running bench decode_565_(null) 8888: 0.00 565: 0.00 4444:
0.00 A8: 0.07
...
>From the above messages, Google introduced the automated approach to deploy
benchmark suite and evaluate it on the fly.
The function "timestamp" is broken at the moment, and I am still
looking for the details.
Regards,
-jserv
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