Lisandro, Thanks. I am still a little confused.
In Petsc the steps are: MatCreateFFT MatGetVecsFFTW VecScatterPetsctoFFTW <Do the transforms> VecScatterFFTWtoPetsc I am trying to understand how to map these steps to Petsc4Py. Amit On Fri, Sep 30, 2016 at 4:16 AM, Lisandro Dalcin <[email protected]> wrote: > > > On 27 September 2016 at 21:05, Amit Itagi <[email protected]> wrote: > >> Hello, >> >> I am looking at the Petsc FFT interfaces. I was wondering if a parallel >> FFT can be performed within a Petsc4Py code. If not, what would be the best >> way to use the Petsc interfaces for FFT from Petsc4Py ? >> >> > It should work out of the box by using mat.setType(Mat.Type.FFTW) before > setup of your matrix. > > > -- > Lisandro Dalcin > ============ > Research Scientist > Computer, Electrical and Mathematical Sciences & Engineering (CEMSE) > Extreme Computing Research Center (ECRC) > King Abdullah University of Science and Technology (KAUST) > http://ecrc.kaust.edu.sa/ > > 4700 King Abdullah University of Science and Technology > al-Khawarizmi Bldg (Bldg 1), Office # 0109 > Thuwal 23955-6900, Kingdom of Saudi Arabia > http://www.kaust.edu.sa > > Office Phone: +966 12 808-0459 >
