Comment #7 on issue 2551 by [email protected]: 3.16.14.1 -
String::Utf8Length() absurdly slow for lefty cons strings
http://code.google.com/p/v8/issues/detail?id=2551
Ran each test a few dozen times, and took the median of each:
3.15.11
real 0m0.231s
user 0m0.224s
sys 0m0.004s
master:
real 0m23.929s
user 0m23.845s
sys 0m0.024s
w/ patch
real 0m0.306s
user 0m0.292s
sys 0m0.012s
So still around a 30% performance regression from 3.15.11, but massively
better than it is currently.
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