Status: Accepted
Owner: [email protected]
CC: [email protected]
Labels: Type-Bug Priority-Medium
New issue 2792 by [email protected]: Deopt loops for polymorphic loads
involving fast+slow mode objects
http://code.google.com/p/v8/issues/detail?id=2792
The Epic Citadel demo (more specifically, the _alSourcef function) exposes
a performance bug in v8, leading to repeated deopts + re-optimizations with
the same optimized code. Details are in the attached test case.
Attachments:
fast-and-slow.js 3.1 KB
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