- From: Kenneth Russell <kbr@google.com>
- Date: Mon, 7 Mar 2011 18:17:07 -0800
- To: Chris Marrin <cmarrin@apple.com>
- Cc: Glenn Maynard <glenn@zewt.org>, Web Applications Working Group WG <public-webapps@w3.org>
On Mon, Mar 7, 2011 at 5:18 PM, Chris Marrin <cmarrin@apple.com> wrote: > > On Mar 7, 2011, at 4:46 PM, Kenneth Russell wrote: > >> On Mon, Mar 7, 2011 at 3:54 PM, Glenn Maynard <glenn@zewt.org> wrote: >>> On Mon, Mar 7, 2011 at 6:05 PM, Chris Marrin <cmarrin@apple.com> wrote: >>>> >>>> Now that ArrayBuffer has made its way into XHR, I think it would be >>>> reasonable to somehow use this new object type as a way to pass data to and >>>> from Workers without copying. I've seen hints and thoughts about this here >>>> and there, but I've never seen a formal discussion. I'm not even sure if >>>> webapps is the place for this discussion, although it seems like a >>>> reasonable place. Please let me know if there is a better place. >>> >>> ArrayBuffer is the most obvious use for zero-copy messaging, but I don't >>> think it should be limited to it... >>> >>>> Has there been discussion anywhere that I've missed? >>> >>> Probably not the only one, but check the "WebWorkers and images" thread on >>> whatwg. >> >> There's definitely interest among the editors of the Typed Array spec >> in revising the spec to support zero-copy data transfers to and from >> web workers. In informal offline discussions, there was a tentative >> plan to put up a new draft for discussion within the next month or so. >> A goal was to prototype it before solidifying a spec so that we can be >> assured it will work well for real-world use cases. > > Yeah, I guess the question is whether we should put the functionality into ArrayBuffer, or into a wrapper class which would part of the Web Worker spec. The latter might make it easier to add other resources (like image and canvas) at some point. But I agree, it should be implemented before finalizing anything. > > Did I hear you volunteer to add a strawman proposal to the Typed Array spec? :-) Yes, you did. :-) -Ken
Received on Tuesday, 8 March 2011 02:17:36 UTC