posted by Thom Holwerda on Thu 18th Jun 2015 16:15 UTC
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But the people calling for a bytecode for the browser never went away, and they were never entirely wrong about the perceived advantages. And now they're going to get their wish. WebAssembly is a new project being worked on by people from Mozilla, Microsoft, Google, and Apple, to produce a bytecode for the Web.

WebAssembly, or wasm for short, is intended to be a portable bytecode that will be efficient for browsers to download and load, providing a more efficient target for compilers than plain JavaScript or even asm.js. Like, for example, .NET bytecode, wasm instructions operate on native machine types such as 32-bit integers, enabling efficient compilation. It's also designed to be extensible, to make it easy to add, say, support for SIMD instruction sets like SSE and AVX.


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