"XC" == Xavier Calbet <[EMAIL PROTECTED]> writes:

XC> gcc             201 sec
XC> g77             201 sec
XC> PDL            651 sec
XC> IDL             694 sec
XC> MatLab     2738 sec
XC> Octave      2031 sec

XC>  Do these times seem reasonable to you?

Well, this is slighly anecdotal, but:

We have at least one experience of the same algorithm implemented in
IDL and in C, and the difference was significantly more than your
example (of the order of a minute v. an hour), though as we did not
implement the IDL version ourselves it could have been poor coding on
their part. 

My point is that if you wanted to say something substantive you should
try a range of algorithmic problems.

Aloha,

        Frossie


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