[Webkit-unassigned] [Bug 74798] REGRESSION(r92782): asynchronize and throttle memory cache prune with timer

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=74798





--- Comment #6 from Wang Zhongping <kewpie.w.zp at hotmail.com>  2011-12-21 00:14:06 PST ---
Created an attachment (id=120154)
 --> (https://bugs.webkit.org/attachment.cgi?id=120154&action=review)
slideshow testcase

This is the testcase from which we find the regression. It has been simplified otherwise it can't be uploaded as attachment due to large size (>20M). Here is a brief description: it consists of 10 rounds of slideshow of 150 images. Round 1 is for warm-up. Round 2-4 is to measure performance when drawing images in full window size, round 5-7 is in raw image size, and round 8-10 is in fixed size (800*600). Result metrics indicates total time consumed in each round by T(1) to T(10), and 4 additional metrics M(1) to M(4) which each indicates average time consumption per image in previous four groups of rounds.

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