Status: New
Owner: ----
New issue 3190 by [email protected]: performance regression for dart2js
compiled gaussian blur benchmark
http://code.google.com/p/v8/issues/detail?id=3190
When switching from v8 3.22 to 3.24, we noticed a factor two slowdown for
our Gaussian blur benchmark. Attached is a simplified dart program and the
compiled JS output that shows the issue. Bisecting identified
# first bad commit: [f21b60ab3ba61ec7799ec923c180a86199fa29c5] Fix
polymorphic inlined calls with migrating prototypes
as the change in v8 that caused the slowdown.
Attachments:
bisect.js 74.4 KB
arrays.dart 309 bytes
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