64 bit CNS?

Benjamin Z. Goldsteen ben at zeta.omrf.ouhsc.edu
Mon Jan 11 13:56:53 EST 1999


Jeff Taylor wrote:

> I did run into one other problem when installing CNS.  When I linked with
> SGI's fft library (the default), CNS failed on start up, with an error
> about the fft function.  When I linked CNS with the included fft code, it
> worked fine.  Not a big deal, I guess, but I'm assuming that SGI's fft is a
> bit faster.

Though I didn't test extensively, the FFT library included with X-PLOR
3.8 is slightly faster than SGI's complib.sgimath (on an Power Challenge
R8000 running single processor).  The difference may be the overhead of
calling a shared library.  

SGI library may be better for the future since it (or its successor)
will be updated and optimized for the latest SGI architecture.  

-- 
Benjamin Z. Goldsteen
Crystallography Program
Oklahoma Medical Research Foundation
405 271 8954 / 405 271 7953 (FAX)



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