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Re: gsl_multifit


Kai Trukenmueller writes:
 > I benchmarked the programs on system with Athlon 1GHz, 640MB running Linux-2.4.10 with the following results:
 > 
 > Dimensions	(120,80)  (300,200)  (600,400)  (900,600)  (1200,800)
 > Octave-Script	0.060s    0.410s      3.390s     12.260s    39.790s
 > Compiled gsl    0.110s    2.240s      31.310s    2m7.590s   seg.fault
 > 
 > The gsl routine not just turns out to be much slower, it also seems to
 > be `instable' for higher orders (the results do not convege -> inft..)
 > Maybe sth. is wrong in my code. For low-orders (~<500) both results are
 > equivalent.

Regarding the segfault, your program contains some fixed length arrays
which are accessed outside the array bounds -- if you allocate them
dynamically that problem should go away.


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