[Webkit-unassigned] [Bug 19718] REGRESSION (SquirrelFish): Named anonymous functions are slow accessing global variables

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Jun 23 12:49:51 PDT 2008


------- Comment #2 from ggaren at apple.com  2008-06-23 12:49 PDT -------
Can you give more data on the SquirrelFish regression:

* Is access to a global from a named anonymous function slower in SF than it
was before SF?

* How big (%) is the regression?

The cause of the relative slowness is that, according to the spec, a named
anonymous function should have a vanilla (i.e. unoptimized) object inserted
into its scope chain, with one property: the function's name. 

We can / should improve this situation, but that's how things are implemented
today (and how they've always been implemented).

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