Wow, great! Sorry for my inattention. Btw, I've checked that profiling-funcs emits to mach code. I used O2 --emit-symbol-map, and then restore names with uglifyjs, there are results: -O2 --emit-symbol-map: 9.3Mb -O2 --emit-symbol-map + uglifyjs: 9.8Mb -O2 --profiling-funcs: 14.5Mb
2017-07-24 23:41 GMT+07:00 Alon Zakai <[email protected]>: > I think --emit-symbol-map might help here, it will give you a file that maps > the minified names to the original names. > > It's odd that -profiling-funcs increases code size that much. it should just > affect function names, which should be a small part of total code size. > Perhaps look through emcc.py for where it's used, maybe profiling-funcs has > another effect on optimizations. > > On Sun, Jul 23, 2017 at 11:43 AM, caiiiycuk <[email protected]> wrote: >> >> Hi. I need some explanation about minify stage of native optimizer. I know >> that when I use at least O2 flag all function names are mangled (minified). >> Also I know that -g1 or -profiling-funcs permits name mangling. But in this >> case result js file is much bigger. I wonder why there are no option to >> provide source maps for mangled names in O2 mode. In that case I still can >> use small js file + understandable function names in profiler. >> >> I trying to build my own profiler that works on js level. To do this I use >> uglifyjs. I use it to parse emscripten js file, and modify all functions to >> add time counters in their bodies. I can't use browser profiler, because on >> ios it never works :(. I get the first version of my profiler, and it works >> well! But I have problem with minifying transformed js. Uglifyjs, does >> nothing. >> >> For example, I build project with -O2 the result is 8.6mb. I build it >> again with -O2 -profiling-funcs the result is ~14mb. I get this js and use >> uglifyjs to mangle names (-m flag), result still ~14mb. Why so? I except >> that result should be near 8.6mb. >> >> Btw, to finish work with profiler I need to get mapping from O2 function >> names to original names (like in -profiling-funcs mode). Is it possible to >> generate it in some way? >> >> -- >> 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. -- 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.
