[Webkit-unassigned] [Bug 21727] REGRESSION: the JavaScriptCore test js1_5/Regress/regress-159334.js takes extremely long to finish in Debug builds

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Oct 20 10:25:22 PDT 2008


ggaren at apple.com changed:

           What    |Removed                     |Added
                 CC|                            |barraclough at apple.com

------- Comment #1 from ggaren at apple.com  2008-10-20 10:25 PDT -------
The problem is that CodeBlock::getStubInfo is N^2, and Gavin's recent change to
cache function calls caused much heavier reliance on it.

We should:

1. Change getStubInfo to use a hashtable, so it's no longer N^2
2. Stop using the structureIDInstructions vector to hold data other than
instructions whose StructureIDs need reference counting, so
structureIDInstructions returns to making sense.

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