Status: Accepted
Owner: [email protected]
Labels: Type-Bug Priority-Medium OS-All
New issue 3664 by [email protected]: Weak references in optimized code lead
to opt/deopt cycles
https://code.google.com/p/v8/issues/detail?id=3664
"Complex List" test at
http://samsaffron.github.io/ember-performance/?ember=1.8.0 runs
- 203.53ms with weak references (default flags)
- 185.11ms without weak references
(--js-flags="--noweak-embedded-objects-in-optimized-code
--noweak-embedded-maps-in-optimized-code")
--trace-deopt shows that many functions are deoptimized becaus of weak
references.
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