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Monday, 16 June 2014 12:49

Intel wants SIMD in JavaScript

Written by Nick Farrell

Could be waiting a while

Intel is leading efforts to enable SIMD (Single Instruction Multiple Data) capabilities in the official specification underlying JavaScript in a move to speed up the software.

Intel has been trying to increase performance of browser-based applications that need to access SIMD instructions on the host processor and use data parallelism.

Chipzilla has teamed up with Google and Mozilla, to present its SIMD.js proposal in July to the ECMA International TC39 committee. The committee is supposed to approve revisions to the ECMAscript standard underlying JavaScript.

Intel wants to get SIMD.js capabilities in ECMAscript 7, which may not arrive for some time. ECMAscript 6, for its part which should be ready later this year.

SIMD capabilities have already been implemented to an extent in Firefox nightly, and I think the full JIT support will be there in a couple of months. Intel has also submitted the full patch to Chromium V8 for review." SIMD.js has been included in Intel's Crosswalk Web runtime and distributed in the company's XDK tool for HTML5 mobile application development.

Nick Farrell

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