[edit] FFTW3 on the ITS HPC Cluster

FFTW3 is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions, of arbitrary input size, and of both real and complex data. It is portable and performs well on a wide variety of platforms. Version 3.0.1 is provided on the cluster.

To use FFTW3, load the fftw module into your environment:

   module load fftw

You can then compile with $FFTW_CFLAGS or $FFTW_FFLAGS and link with $FFTW_LIBS:

   icc $FFTW_CFLAGS my-fftw.c -o my-fftw $FFTW_LIBS

or

   ifort $FFTW_FFLAGS more-fftw.f -o more-fftw $FFTW_LIBS

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