JavaScript (ECMAScript) 2013
1. Draft Ecma/TC39/2013/0xx ECMA-262 6th Edition / Draft November 8, 2013 Draft ECMAScript Language Specification JavaScript 2013 Report Errors and Issues at: https://bugs.ecmascript.org Product: Draft for 6th Edition Component: choose an appropriate one Version: Rev 21, November 8, 2013 Draft ECMAScript 6th & JavaScript Fast Parts @HTML5 Conference 2013 by Tomoya Asai (dynamis) Reference number E
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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
Big Web App? Compile It!
Alon Zakai / Mozilla Compiling to JavaScript JavaScript is standards-based and the only language that runs in all web browsers You can run only JavaScript in browsers, but you can write in another language - if you compile it to JavaScript First set of demos BananaBread Qt Ruby Compiling to JavaScript: Nothing New! 2006: Google Web Toolkit (GWT), Java to JS 2007: pyjamas, Python into JS Adoption J
asm.js/OdinMonkeyメモ
dynamis (ã§ã‚…ãªã¿ã™/レッサーパンダ) @dynamitter JSã«ã¯åž‹å›ºå®šé…列ãŒå®Ÿè£…ã•ã‚Œã¦ã„ã¦ãれを使ãˆã°ã‹ãªã‚Šé«˜é€ŸåŒ–ã•ã‚Œã‚‹ã®ã§åž‹ã®ã‚る言語ã§æ›¸ã„ãŸã‚³ãƒ¼ãƒ‰ã‚’Typed Array使ã£ãŸJSコードã«ã‚³ãƒ³ãƒ‘イルã™ã‚Œã°æ‰‹ã§æ›¸ã„ãŸåž‹ãªã—JSコードより高速ã«ãªã‚‹ dynamis (ã§ã‚…ãªã¿ã™/レッサーパンダ) @dynamitter JSã§ã‚‚n=n|0ã¯å¸¸ã«intã®ã‚ˆã†ã«åž‹ã‚’固定ã™ã‚‹æ›¸ãæ–¹ãŒã‚る。Cç‰ã‹ã‚‰ãã‚“ãªã‚¢ã‚»ãƒ³ãƒ–ラ的JSã«å¤‰æ›ã™ã‚‹ã‚³ãƒ³ãƒ‘イラã¨ãã‚“ãªJSを高速実行ã™ã‚‹ã‚ˆã†æ”¹è‰¯ã—ãŸã‚¨ãƒ³ã‚¸ãƒ³ã«ã‚ˆã‚Šã€JSã¯å¾Œæ–¹äº’æ›æ€§ã‚’ä¿ã£ãŸã¾ã¾Java/C#以上ã®é€Ÿåº¦ã‚’実ç¾å¯èƒ½ãªå®Ÿè¡Œç’°å¢ƒã«é€²åŒ–ã™ã‚‹ dynamis (ã§ã‚…ãªã¿ã™/レッサーパンダ) @dynamitter アセンブラ的JSサブセットãŒasm.jsã€Cç‰ã‹ã‚‰å¤‰æ›ã™ã‚‹ã‚³ãƒ³ãƒ‘イラãŒEmscriptenã€æ–°ã—ã„JSエンジンãŒOdinMonkey。ã“ã‚Œ
asm.js: closing the gap between JavaScript and native
Update 2013-12-30: New feature 32 bit floats pushes asm.js performance to 70% of native. More JavaScript engines support asm.js. The conclusion mentions LLJS as another asm.js source language. asm.js defines a subset of JavaScript that can be compiled to fast executables. It has been created at Mozilla by David Herman, Luke Wagner and Alon Zakai. According to the specification, “[asm.js] effective
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https://bugs.chromium.org/p/v8/issues/detail?id=2599
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