Brendan Eich - Toward a language-neutral browser VM
JSConf US 201331 May 2013
- The web as native code platform
AAA games - e.g. halo, etc Exercise all hardware (memory, gfx etc)
Evolution of web platform - massive improvements in recent years (webRTC, webaudio, etc)
ASM.js - near-native JS perf
Demoed Epic “Sanctuary” - insane that this is JS
ASM approach let’s you reuse existing code, not manually rewriting Mapping to JS
asm - “extraordinarily optimizable” low level subset of JS
not a new language use of bitwise operators
“use asm” hint “ahead of time” compilation (versus JIT compilation)
In general, don’t write it by hand
- What about blub?
trans-compilers - good for languages at or near JS’s JS is evolving to fill gaps
open issue - garbage collection HEAP vs host JS GC better to hook guest GC to host GC
open issue - JITS open issue - threads
- John Henry vs The Steam Hammer
- don’t want handcoders who helped advance the language vs VMs racing
Evolution of language is a good thing, not everything is planned or included for the reason they are eventually found useful
“Always bet on JS”
This is a quick summary of a talk I attended at JSConf 2013. You can see a list of all those I've summarized notes from here. There's also a General thoughts during JSConf 2013 post for all the non-talk bits and pieces.
There were 3 concurrent tracks at the conference, so only those I attended myself are summarized here. Other attendees have summarized some of the talks I didn't get to due to scheduling conflicts - you can find those at jlongster.com (James Long) and Toby Ho's github repo.