[Webkit-unassigned] [Bug 37698] Line not wrapped at certain punctuations

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=37698





--- Comment #17 from Xianzhu Wang <phnixwxz at gmail.com>  2010-07-27 19:35:45 PST ---
I just ran page load test to compare the performance before and after the patch. To compare the performance of line breaking, I selected some URLs from w3.org that contain very long text. The URLs are as below:

http://www.w3.org/TR/1999/REC-html401-19991224/struct/tables.html
http://www.w3.org/TR/1999/REC-html401-19991224/struct/objects.html
http://www.w3.org/TR/1999/REC-html401-19991224/interact/forms.html
http://www.w3.org/TR/1999/REC-html401-19991224/sgml/loosedtd.html
http://www.w3.org/TR/1999/REC-html401-19991224/appendix/changes.html
http://www.w3.org/TR/1999/REC-html401-19991224/appendix/notes.html
http://www.w3.org/TR/2008/REC-CSS2-20080411/syndata.html
http://www.w3.org/TR/2008/REC-CSS2-20080411/visuren.html
http://www.w3.org/TR/2008/REC-CSS2-20080411/generate.html
http://www.w3.org/TR/2008/REC-CSS2-20080411/fonts.html
http://www.w3.org/TR/2008/REC-CSS2-20080411/tables.html
http://www.w3.org/TR/2008/REC-CSS2-20080411/propidx.html

I put a file named w3.pltsuite under directory /Applications/Safari.app/Contents/Resources. The configurations of Page Load Test are:
Suite: w3
Web-Kit-only window
Don't clear cache
Run test 20 times
Hide this window during test

I repeated 10 times (each repeated 20 times by Page Load Test) of Page Load Test before and after applying the patch. The results are:
Before patch       After patch
Average    RMS      Average    RMS
40.1    38.6    37.6    36.1
37.7    36.3    37.2    35.7
36.4    34.9    36.4    35
39.7    38.1    38.9    37.5
37.4    35.9    36.6    35.1
36.3    34.9    36.4    34.9
36.5    35.0    37.3    35.9
40.5    38.9    36.4    34.9
37.1    35.6    36.4    34.9
36.3    34.8    38.9    37.4
Average:
37.8    36.3    37.21    35.74

I think I can draw the conclusion that the patch has no visible impact on page load time of text-intensive web pages.

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