# README file for fft2d datatype benchmark 

Installing
----------
  
  * edit Makefile to fit your needs (FFTW_HOME, CXXFLAGS, CXX)
  * make
  * test: mpiexec -n 1 ./fft2d


Running
-------

 * try mpiexec -n 1 ./fft2d --help
 * options are:
   * "-c 1" check results
   * "-f 1" show flop/s
   * "-n <num>" size of the FFT (<num> x <num>)

Citation
--------
Any published work which uses this software should include the following
citation:
----------------------------------------------------------------------
T. Hoefler and S. Gottlieb:   Parallel Zero-Copy Algorithms for Fast
Fourier Transform and Conjugate Gradient using MPI Datatypes. In Recent
Advances in the Message Passing Interface (EuroMPI'10), pages 132-141,
Springer, ISSN: 0302-9743, ISBN: 078-3-642-15645-8, Sep. 2010
----------------------------------------------------------------------
