[Webkit-unassigned] [Bug 32921] [GTK] Build time must be reduced

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=32921





--- Comment #2 from Gustavo Noronha (kov) <gns at gnome.org>  2009-12-24 12:03:39 PST ---
Created an attachment (id=45472)
 --> (https://bugs.webkit.org/attachment.cgi?id=45472)
Make debug builds based on many small shared libraries

Some numbers:

I made some measurements running this command: ccache -C; sync; sleep 2; time
env WebKitMakeArguments='-j2' ./WebKitTools/Scripts/build-webkit --gtk
--enable-introspection --debug. Here are the numbers:

No patch at all

Full build: 40:34.24elapsed
Touching WebCore/platform/network/soup/ResourceHandleSoup.cpp: 8:19.97elapsed

With the patch that removes libWebCore:

Full build: 39:02.65elapsed
Touching WebCore/platform/network/soup/ResourceHandleSoup.cpp: 5:08.00elapsed

With the many shared libs patch:

Full build: 38:23.59elapsed
Touching WebCore/platform/network/soup/ResourceHandleSoup.cpp: 1:34.33elapsed

There was no swapping at all in any of those (I closed most apps to not
interfere with the tests) - I believe the shared libs patch may be a big help
if normal debug builds are currently swapping (which is the case for me,
usually), though.

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