Bringing the Power of SIMD.js to gl-matrix

[Evgeny Demidov]

to position parts of procedural plants I need matrix library. I'm using
simple Apple's CanvasMatrix now but
https://hacks.mozilla.org/2015/12/bringing-the-power-of-simd-js-to-gl-matrix/
I think it is "a good day to" switch into gl-matrix but

does Canary (Edge) supports SIMD.js? are there any plans?
where can I get SIMD.js based gl-matrix?

Evgeny

[Brandon Jones]

Thanks for pointing out the article! I hadn't seen that yet.

They mention it in the article, but to use SIMD with glMatrix (for now, anyway) you have to set glMatrix.ENABLE_SIMD = true; (see: https://github.com/toji/gl-matrix/blob/master/dist/gl-matrix.js#L156) Please note that this will effectively force the use of typed arrays for some operations, but if your code uses the <type>.create() and similar methods consistently it shouldn't be a problem.

--Brandon

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[Evgeny Demidov]

"Once the flag is toggled, SIMD will be enabled for code that uses asm.js. While the SIMD JavaScript APIs are available and can be used outside of asm.js scenarios, the performance benefits of SIMD currently accrue and are limited to scenarios that use asm.js running on x86 and x64 hardware..." (in Edge)
https://blogs.windows.com/msedgedev/2015/05/21/intel-and-microsoft-partnering-for-an-improved-web-experience/
and Mozilla says that SIMD.js is better in asm.js too

is it possible to make asm.js based gl-matrix library ?

Evgeny

[Brandon Jones]

It's possible, but I'm not convinced it would yield the performance gains one would think it should. I'd want to do some rigorous benchmarking first.