[Python-talk] SWIG tips? Howto?

[bruce.labitt at autoliv.com]

Made some progress with my optimizer.  Haven't gotten to optimization yet, 
but I have built a function using generators that calculates power.  It 
runs a little slow for my liking, it takes about 10 minutes to determine 
the power.  This is primarily due to the fft routine.  I have to compute a 
~5M point double precision complex FFT 40 times.

(This is very cool that one can make a five line program using generators 
that does all this work.)

I have used FFTW before (www.fftw.org) for my work.  How hard would it be 
to use SWIG to wrap a few FFTW routines to hopefully speed up the FFTs?

I already have FFTW and SWIG.  Is there a decent SWIG reference that 
someone knows of?  I am reading the SWIG manual now.  I've been to 
swig.org.

I will try using FFTW (using SWIG) on my workstation.  If it is fast 
enough, I'm done.  If not, I can try my blade processor.  For large FFTs 
it is 40x faster, for smaller ones, maybe 20x.  The only issue there is I 
will have to connect and run remotely. 
Is there a way to do this?  I only want the fft to run remotely.  This is 
what I envision:
1. Python running on my workstation passes an array to the QS22,
2. QS22 processes array using FFTW, sends back answer,
3. Python continues loop to 1, until done



Comments? 

Thanks

Bruce

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