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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: speeding up ACCUMARRAY
Replies: 12   Last Post: Nov 15, 2012 3:35 AM

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Matt J

Posts: 4,976
Registered: 11/28/09
Re: speeding up ACCUMARRAY
Posted: Nov 15, 2012 3:35 AM
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"Bruno Luong" <b.luong@fogale.findmycountry> wrote in message <k8253j$es9$1@newscl01ah.mathworks.com>...
> "Matt J" wrote in message <k80ur5$6b4$1@newscl01ah.mathworks.com>...
> >
> > >
> > > Accumarray is not slow. Just sparse is fast.
> > ================
> >
> > Seems like a false distinction to me. ;)
>
> I can define exactly what can be considered as "fast" and "slow".
============

If we're saying that there are well-known ways of making accumarray faster than it is (e.g., multi-threading), then that seems to meet the definition of "slow".

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