[whatwg] ArrayBuffer and ByteArray questions

Silvia Pfeiffer silviapfeiffer1 at gmail.com
Wed Sep 8 17:04:29 PDT 2010

On Thu, Sep 9, 2010 at 4:37 AM, Chris Marrin <cmarrin at apple.com> wrote:

> On Sep 8, 2010, at 11:21 AM, Oliver Hunt wrote:
> >
> > On Sep 8, 2010, at 11:13 AM, Chris Marrin wrote:
> >
> >> Web Sockets is certainly another candidate, but I meant Web Workers.
> There have been informal discussions on using ArrayBuffers as a way to
> safely share binary data between threads. I don't believe anything has been
> formalized here.
> >
> > You can't share data between workers.  There is no (and there cannot be)
> any shared state between multiple threads of JS execution.
> Right. I didn't mean literal sharing. But you can imagine some
> copy-on-write semantics which would make it more efficient to pass data this
> way.
Is this then similar to posting ImageData with Web Workers? (
. I know that these can already be put into a postMessage and they are
effectively arrays.

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