[Webkit-unassigned] [Bug 47320] [Performance] Only call sendContentResizeNotification when the scrollbar actually did change

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=47320





--- Comment #8 from Ryuan Choi <ryuan.choi at samsung.com>  2010-10-11 06:44:10 PST ---
(In reply to comment #7)
> Generally, a user-feel improvement is valid, but there are many more accurate way to measure a performance improvement, e.g. frames per second ...

Hi, I tested using our mobile browser implemented by EFL.
I don't have idea which browser(not EFL) can test this.
I use ECORE_EVAS_FPS_DEBUG to get below data without any changes.

without our patch.
FRAME: 454, FPS: 28.0, RTIME  65%
FRAME: 469, FPS: 28.7, RTIME  64%
FRAME: 484, FPS: 28.3, RTIME  65%
FRAME: 499, FPS: 28.9, RTIME  65%
FRAME: 514, FPS: 28.4, RTIME  64%
FRAME: 529, FPS: 28.4, RTIME  64%
FRAME: 544, FPS: 28.4, RTIME  66%
FRAME: 559, FPS: 28.1, RTIME  66%
FRAME: 574, FPS: 29.3, RTIME  65%
FRAME: 589, FPS: 28.5, RTIME  67%
FRAME: 604, FPS: 28.4, RTIME  65%
FRAME: 619, FPS: 28.6, RTIME  65%
FRAME: 634, FPS: 28.8, RTIME  64%
FRAME: 649, FPS: 29.0, RTIME  68%
FRAME: 664, FPS: 28.7, RTIME  65%
FRAME: 679, FPS: 28.6, RTIME  64%
FRAME: 694, FPS: 28.6, RTIME  66%
FRAME: 708, FPS: 27.8, RTIME  64%
FRAME: 723, FPS: 29.0, RTIME  68%
FRAME: 738, FPS: 28.4, RTIME  66%
FRAME: 753, FPS: 28.7, RTIME  65%
FRAME: 768, FPS: 28.6, RTIME  66%
FRAME: 784, FPS: 31.3, RTIME  69%
FRAME: 800, FPS: 31.4, RTIME  69%
FRAME: 817, FPS: 33.4, RTIME  63%

with our patch
FRAME: 374, FPS: 23.8, RTIME  33%
FRAME: 404, FPS: 59.4, RTIME  77%
FRAME: 435, FPS: 62.0, RTIME  77%
FRAME: 465, FPS: 58.8, RTIME  76%
FRAME: 495, FPS: 59.4, RTIME  76%
FRAME: 526, FPS: 60.3, RTIME  75%
FRAME: 556, FPS: 59.9, RTIME  75%
FRAME: 588, FPS: 63.1, RTIME  79%
FRAME: 619, FPS: 62.0, RTIME  77%
FRAME: 651, FPS: 62.9, RTIME  78%
FRAME: 682, FPS: 61.5, RTIME  77%
FRAME: 714, FPS: 61.9, RTIME  76%
FRAME: 745, FPS: 61.8, RTIME  78%
FRAME: 777, FPS: 63.2, RTIME  77%
FRAME: 809, FPS: 63.1, RTIME  77%
FRAME: 840, FPS: 61.0, RTIME  79%
FRAME: 877, FPS: 73.8, RTIME  83%

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