On Sat, Jun 20, 2015 at 02:36:26PM -0600, Aaron Klotz wrote: > On 6/20/2015 10:20 AM, Philip Chee wrote: > >Anyone want to try the same with Firefox nightly? > > > > > Already did it and subsequently filed bug 873638. We can do it if we modify > the encoding of the JS source at omnijar build time. > > I did some measurements last year at the 2014 JS workweek and it turns out > that the cost of converting the omnijar's JS source to jschars during > parsing is equivalent to the benefits we gain from StartupCache. Assuming > that nothing has changed in SM with respect to the time required to do the > conversion, if we eliminate that conversion step, we can eliminate > XDR-encoded JS from the StartupCache.
Would encoding the js files in UTF-16 eliminate the conversion step? If so, we can easily do that at packaging time, although local builds would not benefit from that. Mike _______________________________________________ dev-platform mailing list [email protected] https://lists.mozilla.org/listinfo/dev-platform
