- From: Rik Cabanier <cabanier@gmail.com>
- Date: Thu, 29 May 2014 14:50:00 -0700
- To: Glenn Maynard <glenn@zewt.org>
- Cc: whatwg <whatwg@lists.whatwg.org>, Boris Zbarsky <bzbarsky@mit.edu>
On Thu, May 29, 2014 at 2:28 PM, Glenn Maynard <glenn@zewt.org> wrote: > On Thu, May 29, 2014 at 4:21 PM, Boris Zbarsky <bzbarsky@mit.edu> wrote: > > > On 5/29/14, 5:13 PM, Glenn Maynard wrote: > > > >> Assembly language is inherently incompatible with the Web. > >> > > > > A SIMD API, however is not. Under the hood, it can be implemented in > > terms of MMX, SSE, NEON, or just by forgetting about the SIMD bit and > > pretending like you have separate operations. In particular, you could > > have a SIMD API that desugars to plain JS as the default implementation > in > > browsers but that JITs can recognize and vectorize as they desire. This > > sort of API will happen, for sure. > > > > I doubt it, at least with performance competitive with native assembly. We > certainly shouldn't delay features while we hope for it. You don't need to hope for it. The future is already here: http://www.j15r.com/blog/2014/05/23/Box2d_2014_Update asm.js will be fast on all modern browsers before this feature would ship. As an author, I'd certainly prefer the most flexible solution that works everywhere.
Received on Thursday, 29 May 2014 21:50:27 UTC