Hmm, on the growth build, it halts on "Emulation aborted due to nested emulation timeout." for me on chrome 41, but works on firefox.
- Alon On Thu, Feb 19, 2015 at 9:11 PM, Boris Gjenero <boris.gjen...@gmail.com> wrote: > Okay, I have created: https://code.google.com/p/v8/issues/detail?id=3907 > > Builds are linked there. I'm providing the same links here also for > convenience: > > Growth: https://dl.dropboxusercontent.com/u/16662598/Ports/DOSBox- > web/doom.html?engine=dosbox-growth.js > > No growth: https://dl.dropboxusercontent.com/u/16662598/Ports/DOSBox- > web/doom.html?engine=dosbox-nogrowth.js > > On 2015-02-19 11:15 PM, Alon Zakai wrote: > >> This is very surprising and a serious issue that we should report to v8. >> I would create --profiling builds with and without that option, and file >> a bug with those links. >> >> The reason it is surprising is that memory growth affects code in a very >> small way. It uses a few more local variables, but that's it. I suppose >> it might tip it over some internal limit in TurboFan or something like >> that. >> >> - Alon >> >> >> On Thu, Feb 19, 2015 at 2:52 PM, Boris Gjenero <boris.gjen...@gmail.com >> <mailto:boris.gjen...@gmail.com>> wrote: >> >> When running Doom in Em-DOSBox, allowing memory growth results in a >> MASSIVE performance penalty in Chrome 42.0.2305.3 dev (64-bit). >> >> With -s ALLOW_MEMORY_GROWTH=0 Em-DOSBox runs Doom a lot faster in >> Chrome 42 compared to Chrome 40. Chrome 42 speed is similar to >> Firefox. Without that option, Chrome 42 is much slower than Chrome 40. >> >> I assume this has something to do with the new TurboFan optimizing >> compiler in the dev branch. Maybe it can't be used with memory >> growth enabled or that disables some optimizations. I realize this >> is the dev branch of Chrome and this issue may be fixed before it is >> released. >> > > -- > You received this message because you are subscribed to the Google Groups > "emscripten-discuss" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to emscripten-discuss+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "emscripten-discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to emscripten-discuss+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
