[Webkit-unassigned] [Bug 24739] New: Combine StringImpl struct and data allocations
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sat Mar 21 03:29:56 PDT 2009
https://bugs.webkit.org/show_bug.cgi?id=24739
Summary: Combine StringImpl struct and data allocations
Product: WebKit
Version: 528+ (Nightly build)
Platform: Macintosh
OS/Version: Mac OS X 10.5
Status: NEW
Severity: Normal
Priority: P2
Component: Platform
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: mike at belshe.com
Often when we create a StringImpl(), we know what data it is going to contain.
Currently, this results in two heap allocations - one for the StringImpl class,
and a second for the data. These can be combined into a single allocation.
I measured small performance increases, but it is hard to be certain that these
are not in the noise. Nonetheless, it is more efficient.
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