Bug 64039 - DFG JIT implementation of op_call results in regressions on sunspider controlflow-recursive
Summary: DFG JIT implementation of op_call results in regressions on sunspider control...
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: 528+ (Nightly build)
Hardware: All All
: P2 Normal
Assignee: Nobody
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-07-06 15:41 PDT by Filip Pizlo
Modified: 2011-07-06 21:04 PDT (History)
1 user (show)

See Also:


Attachments
the patch (3.84 KB, patch)
2011-07-06 17:35 PDT, Filip Pizlo
no flags Details | Formatted Diff | Diff

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Description Filip Pizlo 2011-07-06 15:41:29 PDT
The op_call implementation causes more code to be compiled by DFG, and is revealing bad speculation decisions, which result in large performance regressions especially on sunspider controlflow-recursive.
Comment 1 Filip Pizlo 2011-07-06 17:35:35 PDT
Created attachment 99906 [details]
the patch
Comment 2 WebKit Review Bot 2011-07-06 21:04:42 PDT
Comment on attachment 99906 [details]
the patch

Clearing flags on attachment: 99906

Committed r90533: <http://trac.webkit.org/changeset/90533>
Comment 3 WebKit Review Bot 2011-07-06 21:04:45 PDT
All reviewed patches have been landed.  Closing bug.