3 ms·

Performance-conscious games should probably use asm.js. I wonder if GC is relevant for asm.js.

• corysama 13y ago
  One of the trade-offs of asm.js is that it uses malloc/free style manual memory management and thereby sidesteps GC. More pauses for the programmer in exchange for less pauses in the program.
  • ndesaulniers 13y ago
    The same could be said for using object pools. No need specifically for asm.js. ATM asm.js is used primary for supporting large existing C/C++ codebases, not trying to get free performance gains in your game via premature optimizations.
  • kevingadd 13y ago
    Technically this is false, as some asm.js compiled games will actually be running their own GC inside the asm.js environment and will still suffer GC pauses - except now it's all single threaded and using a smaller heap so the performance is worse. Unity is one example of this - they use the Mono runtime and their scripting is based on .NET so browser-targeted Unity games will have GC pauses even if they use asm.js.