lib: don't penalize setInterval/setTimeout common case - #1221
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bnoordhuis merged 3 commits intoMar 21, 2015
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The common case is where setTimeout() is called with two arguments, the callback and the timeout. Specifying optional arguments in the parameter list forces common case calls to go through an arguments adaptor stack frame. PR-URL: nodejs#1221 Reviewed-By: Trevor Norris <trev.norris@gmail.com>
The common case is where setInterval() is called with two arguments, the callback and the timeout. Specifying optional arguments in the parameter list forces common case calls to go through an arguments adaptor stack frame. PR-URL: nodejs#1221 Reviewed-By: Trevor Norris <trev.norris@gmail.com>
It turns out we have little to no test coverage for setTimeout() and setInterval() calls with optional arguments. Now we do. PR-URL: nodejs#1221 Reviewed-By: Trevor Norris <trev.norris@gmail.com>
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LGTM Aside: Thought the penalization was mostly fixed (so that the performance difference was essentially white noise) in V8 for calling a function with too many parameters. My bad for not catching that before it was pushed. |
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March 21, 2015 10:09
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The common case is where setTimeout() is called with two arguments,
the callback and the timeout. Specifying optional arguments in the
parameter list forces common case calls to go through an arguments
adaptor stack frame.
R=@trevnorris?