Very cool, thanks! With this and the canvas debugger browsers are becoming more powerful debugging tools then many native tools (especially outside of the Windows platform).
Cheers, -Floh. Am Donnerstag, 31. Juli 2014 10:05:42 UTC+2 schrieb jj: > > Oh.. by previous discussion I thought it was exactly the other way around, > that -profiling disabled optimizations that -g2 had. I've always had the > assumption that -g2 had full optimizations enabled, but apparently not. > Also, I see that using OUTLINING_LIMIT disables the simplifyIfs > optimization so it can affect performance as well. > > > > 2014-07-31 1:00 GMT+03:00 Alon Zakai <[email protected] <javascript:>>: > >> -g2 (and -g1, anything but -g0) disables simplifyIfs, because it can >> generate lines thousands of characters long, due to commaification ( x = y; >> a = b; turns into x = y, a = b; ). -profiling leaves simplifyIfs on. >> Basically -profiling is what you want when you are profiling (at least how >> I see things): full performance, just leaving function names intact (and >> basic indentation). >> >> - Alon >> >> >> >> On Wed, Jul 30, 2014 at 2:55 PM, Jukka Jylänki <[email protected] >> <javascript:>> wrote: >> >>> Can you remind the exact changes that -profiling does? There was some >>> optimization that -profiling didn't do, but -g2 should not affect any >>> optimizations? I recall you said that reading through the output code files >>> with -profiling was slightly easier than with -g2, but wouldn't -g2 be >>> better for users that only cared about Firefox/Chrome profiler results and >>> only need function names intact? >>> >>> >>> 2014-07-31 0:50 GMT+03:00 Alon Zakai <[email protected] <javascript:>>: >>> >>> -profiling is slightly better than -g2 here. -profiling is specifically >>>> intended for the use case of profiling the generated code. >>>> >>>> - Alon >>>> >>>> >>>> >>>> On Wed, Jul 30, 2014 at 1:18 PM, Jukka Jylänki <[email protected] >>>> <javascript:>> wrote: >>>> >>>>> Hi! >>>>> >>>>> Worth pinging here in a very recent and awesome advance in Firefox: >>>>> Finally as of last night, Firefox Nightly now supports profiling asm.js >>>>> execution. This means that when you use the CPU profiler after updating >>>>> to >>>>> latest Nightly, you no longer need to disable asm.js before profiling in >>>>> order to get meaningful stack traces from asm.js functions! >>>>> >>>>> Remember to build all your profiling builds with the proper >>>>> optimization flags (-O2/-O3/-Os/-Oz) at both compile and link time, and >>>>> add >>>>> in the linker flag -g2 in order to preserve the function names >>>>> unminified. >>>>> These will ensure that you have the fastest output that retains profiling >>>>> info, at the expense of output size. >>>>> >>>>> For best profiling UI, make sure you are running the geckoprofiler.xpi >>>>> Firefox add-on, documented here: >>>>> https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Profiling_with_the_Built-in_Profiler >>>>> >>>>> Thanks go to Luke Wagner for the hard work of implementing the asm.js >>>>> profiling support in to Firefox! >>>>> >>>>> Jukka >>>>> >>>>> -- >>>>> 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] >>>>> <javascript:>. >>>>> 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] >>>> <javascript:>. >>>> 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] >>> <javascript:>. >>> 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] <javascript:>. >> 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.
