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List: boost
Subject: Re: [boost] [math] Summer of Code
From: "John Maddock" <john () johnmaddock ! co ! uk>
Date: 2008-04-24 16:03:38
Message-ID: 008401c8a626$0259d970$80831b56 () fuji
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Johan Råde wrote:
> A typical data mining scenario might be to calculate the cdf for the
> t- or F-distribution for
> each value in an array of say 100,000 single or double precision
> floating point numbers.
> (I tend to use double precision.)
> Anything that could speed up that task would be interesting.
Nod, the question is what the actual combination of arguments that get
passed to the incomplete beta are: if the data isn't unduely sensitive, what
would be really useful is to have a log of those values so we can see which
parts of the implementation are getting hammered the most.
> SEE parallelism, if possible, would be interesting.
>
> Multi-core parallelism is less interesting,
> that is already easy to do, for instance using OpenMP.
>
> Then there are the issues brought up by Stephen Nuchia:
> http://article.gmane.org/gmane.comp.lib.boost.devel/173840
Nod, there's a lot that can be done, but ground is going to be won a yard at
a time :-(
John.
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