if I refresh the browser, the program is very fast. it seems to happen to the first time.
On Tuesday, March 28, 2017 at 5:57:39 PM UTC-7, Bill Yan wrote: > > the native build is instant. > > I'm using -O3 even. (started with -O2.) > > will try profiler > > On Tuesday, March 28, 2017 at 5:53:10 PM UTC-7, Alon Zakai wrote: >> >> Is 6 minutes similar to what you see in a native build? If it's more than >> 2x slower then something may be wrong. Make sure it's optimized (-O2 or >> above during "link"), and if that's not it, use a browser profiler (on a >> --profiling build) to see what's going on. >> >> Otherwise, there is a way to add pauses like that, but at a cost, see the >> emterpreter >> https://github.com/kripken/emscripten/wiki/Emterpreter#emterpreter-async-run-synchronous-code >> >> Another approach is to split up the code running during startup, here is >> an example of splitting up main() into pieces, >> https://github.com/kripken/BananaBread/blob/master/cube2/src/engine/main.cpp#L1156 >> >> On Tue, Mar 28, 2017 at 5:47 PM, Bill Yan <[email protected]> wrote: >> >>> Hi, >>> >>> I just tried emscripten/wasm today. >>> >>> My code is an opengl/sdl program. I have a setup routine that >>> pregenerates models and textures. And then a render loop. >>> >>> I learnt from the document that I can't use a plain while() loop for the >>> main loop as it will stuck the web browser. >>> >>> But my setup function seems to take quit long time too, about 6 minutes. >>> >>> Eventually the program will run perfectly when it reaches the main loop. >>> but the 6 minutes setup time is unacceptable. >>> >>> I'm wondering if there is a way to briefly give the control back to the >>> browser during setup. >>> >>> For example, a pause function. so I can do >>> >>> >>> setupStep1(); >>> pause(); >>> setupStep2(); >>> pause(); >>> .... >>> >>> >>> >>> Thanks! >>> >>> -- >>> 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 [email protected]. >>> 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
