On 31 October 2014 16:40, Katelyn Gadd <[email protected]> wrote: > I'd also like to chime in since this is a real problem for > performance-sensitive JSIL code: > The idea that JS runtimes will just optimize all our > performance-sensitive loops is lovely. It also appears to be a > fantasy, because we've been writing those loops for years and > they're still slow. I did some extensive testing and experimentation > with spidermonkey a year or so back, examining how it optimized > various forms of a memcpy loop, and the results were pretty dire. V8 > didn't seem to fare much better, though it is harder to tell because > they don't trivially expose generated native code for functions.
Hm, just an aside, but I wonder what you mean by "trivially" here. It is only one flag away. /Andreas _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
