On Wed, Oct 21, 2015 at 4:16 AM, Carsten Haitzler <ras...@rasterman.com> wrote:
> raster pushed a commit to branch master.
>
> http://git.enlightenment.org/core/efl.git/commit/?id=7cc41473a30236b11f0c7b57425e273d2874e30e
>
> commit 7cc41473a30236b11f0c7b57425e273d2874e30e
> Author: Carsten Haitzler (Rasterman) <ras...@rasterman.com>
> Date:   Wed Oct 21 20:06:23 2015 +0900
>
>     efl - eo - massively improve eo cal resolv and data scope get with cache
>
>     BEWARE! this breaks eo ABI. _eo_call_resolve and _eo_data_scope_get
>     are 2 of the biggest cpu users in eo. they easily consume like 10-15%
>     cpu between them on tests that drive a lot of api - like simply
>     scrolling a genlist around. this is a lot of overhead for efl. this
>     fixes that to make them far leaner. In fact this got an overall 10%
>     cpu usage drop and that includes all of the actual rendering, and code
>     work, so this would drop the eo overhead of these functions incredibly
>     low. using this much cpu just on doing call marshalling is a bug and
>     thus - this is a fix, but ... with an abi break to boot. more abi
>     breaks may happen before release to try and get them all in this
>     release so we don't have to do them again later.
>
>     note i actually tested 4, 3, 2, and 1 cache slots, and 1 was the
>     fastest. 2 was very close behind and then it got worse. all were
>     better than with no cache though.
>
>     benchmark test method:
>
>     export ELM_ENGINE=gl
>     export ELM_TEST_AUTOBOUNCE=1
>
>     while [ 1 ]; do sync; sync; sync; time elementary_test -to genlist;
>     sleep 1; done
>
>     take the 2nd to the 8th results (7 runs) and total up system and user
>     time. copmpare this to the same without the cache. with the cache cpu
>     time used is 90.3% of the cpu time used without - thus a win. at least
>     in my tests.
>
>     @fix

This break make check in eo test suite. To be precise
tests/eo/test_function_overrides.
-- 
Cedric BAIL

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