On Fri, Mar 17, 2017 at 07:30:46PM -0400, Ehsan Akhgari wrote:
Have we measured the performance of our async/await implementation? I think we should definitely do some extensive testing of the performance of any new ES primitives before deciding to switch to using them in the front-end code en masse. Of course, if the performance result aren't good, that doesn't mean we shouldn't use them in the front-end code, it means we need to make the performance better. :-) But we need to be able to make the trade-off cautiously.
Yes. There was performance testing for the self-hosted version (which was basically the same as the Promise.jsm implementation) before it was converted to C++, and after:
https://bugzil.la/1314055 In short, it's better, but not hugely. _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform