Status: New
Owner: ----
New issue 3202 by [email protected]: regression for kraken/oscillator
on a15/a9 after patch r19635
http://code.google.com/p/v8/issues/detail?id=3202
After patch r19635: Clear optimized code cache in shared function info when
code gets deoptimized (issue 184923002),
Huge regression, only for kraken/oscillator:
a15: 234ms -> 572ms
a9: 540ms -> 1169ms
With the previous version, the function Oscillator.generate is optimized 3
times and most of the time is spent in the two last optimizations.
After the patch, the function Oscillator.generate is optimized only twice
and most of the time is spent in the first optimization.
It looks like, after the patch, the second optimization of
Oscillator.generate is never used.
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