[Webkit-unassigned] [Bug 20061] Optimize array accesses with constant indices.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=20061





------- Comment #5 from barraclough at apple.com  2008-07-28 15:58 PDT -------
Performance numbers.

Sunspider pre-patch: ~1625ms
Patching all but nodes.cpp: ~1630ms (adding new opcodes to Machine seem to
cause a performance hit – saw the same thing trying to add an op_sample. :-/ )
Patching all: ~1645ms

Puzzling.  From profiling the change seems to be operating as expected – best
guess, this is handled well anyway with the fast case at the top of
op_get_by_val, and the increased code footprint results in the degradation?


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