[Webkit-unassigned] [Bug 43716] Use a HashMap for m_continuation to save memory

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=43716





--- Comment #8 from Kenichi Ishibashi <bashi at google.com>  2010-08-30 22:16:42 PST ---
Hi Darin,

Thank you for your review. I agree with you that we need to performance test for this patch. For performance check, I run i-Bench HTML test suites.  Although the results are unstable for each test, I didn't observe any measurable performance regression. Just for information, three results are shown below:

- with the patch
All iterations      39.94
First iteration (downloaded)      4.6
Subsequent iteration (cached)      5.05

All iterations      39.58
First iteration (downloaded)      4.57
Subsequent iteration (cached)      5

All iterations      39.87
First iteration (downloaded)      4.58
Subsequent iteration (cached)      5.04

- without the patch
All iterations      40.19
First iteration (downloaded)      5.19
Subsequent iteration (cached)      5

All iterations      40.12
First iteration (downloaded)      5.19
Subsequent iteration (cached)      4.99

All iterations      39.7
First iteration (downloaded)      4.56
Subsequent iteration (cached)      5.02

For memory consumption, I couldn't find good way to test for this patch. I'm going to continue to look for the way to test memory consumption.

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