[Webkit-unassigned] [Bug 21500] New: WebKit Qt-port on Linux should be built with g++ -O3 switch
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Oct 9 02:58:21 PDT 2008
https://bugs.webkit.org/show_bug.cgi?id=21500
Summary: WebKit Qt-port on Linux should be built with g++ -O3
switch
Product: WebKit
Version: 528+ (Nightly build)
Platform: PC
OS/Version: Linux
Status: UNCONFIRMED
Severity: Normal
Priority: P2
Component: JavaScriptCore
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: oszi at inf.u-szeged.hu
WebKit Qt-port on Linux is built with g++ -O2 switch because of Qt default
config (Qt-4.4.1/mkspecs/common/g++.conf) Building with -O3 switch instead of
-O2, JSC is faster. (I used gcc version 4.1.2, Qt version 4.4.1 and WebKit
rev37424)
runtime and code size of JSC:
- 3.51% speedup on SunSpider (+/-0.8%)
- 1.30% speedup on V8 (+/-0.65%)
- 3.81% speedup on WindScorpion (+/-1.0%)
- Code size of JSC .text section increased by 9.96%
I'll send patch soon.
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