On 6/9/12 2:11 AM, Brandon Benvie wrote:
Part of the slowdown is because builtin bind has to handle construct as
well. But yeah, V8's bind is *notably* slow when you do a comparison of
either a full manual implementation of bind semantics yourself, or
compared to say Spidermonkey. I'm not sure what the deal is there, but
it *is* a V8 issue in some way or another.
For reference, this is the V8 bind code:
https://github.com/joyent/node/blob/master/deps/v8/src/v8natives.js#L1578
I was just reading up on `bind` versus closure performance. More
discussion on all that `bind` does that a closure doesn't do here:
http://stackoverflow.com/questions/8656106/why-is-function-prototype-bind-slow
--
Alan - @bigeasy
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