developers:buildsys:internals
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| Both sides previous revisionPrevious revision | Next revisionBoth sides next revision | ||
| developers:buildsys:internals [2020/03/04 22:19] – Yann Pouillon | developers:buildsys:internals [2020/03/06 17:04] – [FFT specifications] Yann Pouillon | ||
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| Line 114: | Line 114: | ||
| The following options are needed: | The following options are needed: | ||
| - | * dfti\\ | + | * dfti |
| - | + | * fftw3 | |
| - | * dfti-threads\\ | + | |
| - | + | ||
| - | * fftw3\\ | + | |
| * fftw3-threads | * fftw3-threads | ||
| - | while fftw3-mkl can be removed. | + | while fftw3-mkl can be removed. dfti-threads can also be removed because MKL manages threading through environment variables. |
| fftw3-mpi can be replaced by a simple check on the presence of fftw_mpi_init that defines HAVE_FFTW3_MPI | fftw3-mpi can be replaced by a simple check on the presence of fftw_mpi_init that defines HAVE_FFTW3_MPI | ||
| The pfft option may be used to activate a specialized routine for fourdp but pfft should also activate HAVE_FFTW3 so that we can use the zero-padded version in fourwf. | The pfft option may be used to activate a specialized routine for fourdp but pfft should also activate HAVE_FFTW3 so that we can use the zero-padded version in fourwf. | ||
developers/buildsys/internals.txt · Last modified: 2021/08/31 15:45 by Jean-Michel Beuken