Fwd: Re: Jama .vs. Colt ?

[boisvert@nist.gov]

Sender: Richard Gomes <rgomes1997@yahoo.co.uk>
Subject: Re: Jama .vs. Colt ?


Hi Cleve,

Thanks a lot for your answer.

As you probably saw, Colt is based on a number of works. There's also an 
incipient 'Parallel Colt' implementation which takes advantage of multi-core 
cpus. You can find some links at
http://www.jquantlib.org/index.php/DesignPerformance

Kind Regards

-- Richard


On Sunday 17 February 2008 20:09:28 Cleve Moler wrote:
> Hi --
>
> As far as I know, none of the original developers of Jama, including me,
> are actively working on the package today.  Execution speed was not an
> important design goal for Jama.  At the time, Java speed was so much
> slower than Fortran, C, or machine optimized BLAS, that we had no
> intention of competing in that arena.
>
> I was not aware of Colt until your post.  Thanks for bringing it to my
> attention.  According to
>
>
> http://dsd.lbl.gov/~hoschek/colt/api/cern/colt/matrix/linalg/package-sum
> mary.html#Overview
>
> Colt borrows many algorithmic ideas from Jama, but pays more attention
> to performance.  Because of that, I expect Colt is faster than Jama, but
> I don't know of any quantitative results.
>
>   -- Cleve Moler
>
> -----Original Message-----
> From: jama@nist.gov [mailto:jama@nist.gov] On Behalf Of Richard Gomes
> Sent: Friday, February 15, 2008 3:09 PM
> To: Multiple recipients of list
> Subject: Jama .vs. Colt ?
>
> Hi,
>
> I'd like to know what's the current status of Jama regarding:
> * bug fixes;
> * support on JDK6
> * performance on JDK6
>
> How do you compare Jama and Colt?
> Any advantage on using Jama over the version embedded in Colt?
>
> Thanks



-- 
Richard Gomes
http://www.linkedin.com/in/rgomes
M: +44(77)9955-6813
H: +44(870)068-8205
sip:200200@jquantlib.org
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See my project on Quantitative Finance
http://www.jquantlib.org/


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