Massive: The asm.js Benchmark – Mozilla Hacks - the Web developer blog
asm.js is a subset of JavaScript that is very easy to optimize. Most often it is generated by a compiler, such as Emscripten, from C or C++ code. The result can run at very high speeds, close to that of the same code compiled natively. For that reason, Emscripten and asm.js are useful for things like 3D game engines, which are usually large and complex C++ codebases that need to be fast, and indee
Emscripten & asm.js: Approaching native speed in JavaScript
Emscripten & asm.js: C++'s role in the modern web Alon Zakai / @kripken All major web browsers are written in C++ For the obvious reasons: fast, familiar, library support For the same reasons, people want to use C++ to write web content too, that is, websites That's what this talk is about The Web Largest open platform in existence No C++ there :( What about non-standardized approaches (ActiveX, F
asm.js AOT compilation and startup performance | Luke Wagner's Blog
With the recent announcement of a commercial game shipping using Emscripten and asm.js, I thought it’d be a good time to explain how asm.js is executed in Firefox and some of the load-time optimizations we’ve made since the initial landing of OdinMonkey in March. (OdinMonkey is an optimization module inside Mozilla’s JavaScript engine.) There have also been significant throughput optimizations as
On Asm.js — Acko.net
Ending The Ice Age of JavaScript The demo is striking: Unreal Engine, running live in a browser, powered by Mozilla's Asm.js, offering near native performance with hardware accelerated graphics. A gasp here, a wow there, everyone is surely impressed. And look ma', no plug-ins: just JavaScript, Web Audio and WebGL! Just don't mind the 10 second hang on load as it's Preparing JavaScript. When I hear
What asm.js is and what asm.js isn't
This is going to be a bit long, so tl;dr asm.js is a formalization of a pattern of JavaScript that has been developing in a natural way over years. It isn't a new VM or a new JIT or anything like that. asm.js is a subset of JavaScript, defined with the goal of being easily optimizable and used primarily as a compiler target from languages like C and C++. I've seen some recent online discussions wh
Why asm.js bothers me
Please note that this post expresses my personal opinion and mine alone, not those of my employer or my teammates. I am writing it because I can’t hold my opinion inside anymore. My head was starting to feel like a balloon that is going to burst any minute. I am writing my thoughts and feelings down to free myself from this pressure. When reading my ramblings below please keep in mind that I used
asm.jsの評価（JVM,PNaClとの比較、および、現在の問題と今後の可能性について） - kazuhoのメモ置き場
asm.jsに関する客観的意見があまりないようなので、ツイートをまとめてメモ。 現時点での機能はC/C++コードの移植に特化している 文字列にもオブジェクトにも配列にもアクセスできない JavaScriptの値で使えるのは数値だけ*1 typedarrayについては、同時に１つだけ*2アクセスできる GCがない オブジェクトにアクセスできないと書いたけど、当然newもできない 自分でmalloc/freeから実装する必要がある 関数ポインタすらない 定義された関数呼び出しは可能 つまりは、フラットなデータメモリ、シンボルベースのコード空間と、数値演算機能のみがある、とても低レベルな仮想マシンということ。ネイティブコードをJavaScriptに変換した場合に高速に動く環境を作ろうとしていることは明らかだし、それ以外の目的では非常に使いにくい。 既存の他のアプローチ（JVM, PNaCl）と比
asm.js:コンパイラのための低レベルかつ高度に最適化可能なJavaScriptのサブセット
JavaScriptのサブセットとして静的型付け言語を定義し、事前コンパイルを可能にすることでJavaScriptの実行速度を劇的に改善しようというasm.jsの概要を、1つ前の記事で調べました。 まだasm.jsの情報は少ないのですが、その中でも分かりやすくまとまった記事がDevon Govett氏のブログBADASS JAVASCRIPTのエントリ「asm.js: A Low Level, Highly Optimizable Subset of JavaScript for Compilers」です。 Govett氏に翻訳の許可を得たので、翻訳記事として掲載します。 asm.js: A Low Level, Highly Optimizable Subset of JavaScript for Compilers MozillaのDavid Herman、Luke Wagnerそして
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ASM (updated)