[Pw_forum] run error
Paolo Giannozzi
giannozz at nest.sns.it
Sat Mar 22 12:20:40 CET 2003
HI
> I compiled new code used only efc (Intel) compiler and MKL library
> without fftw (I think, fftw include in MKL).
wrong: MKL has its own set of ftt routines, but they are not presently
used in PWscf. You need MKL _and_ FFTW, unless you write the
drivers for MKL fft. You may also use the fortran routines that are
supplied with PWscf (define -DCERNFFT) but they are _very_
slow
Paolo
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