Updates:
Owner: [email protected]
Cc: [email protected]
Labels: Priority-Low
Comment #7 on issue 3883 by [email protected]: Severe performance
regression on push with multiple arguments
https://code.google.com/p/v8/issues/detail?id=3883
We don't have special call ICs anymore that try to optimize push (we don't
have special call ICs anymore beyond "new Array()"). We just have a C++
builtin, and we inline a.push(single_element) as a[length] =
single_element. Given that it's trivial to rewrite a.push(x, y) as
a.push(x); a.push(y); on the client side, this is pretty low priority.
Trying to optimize multiple-argument push beyond the builtin should
probably be deferred to Turbofan.
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