revert to in-place FFTs and using FFTW_ESTIMATE.
there seems to be no significant performance benefit
from more elaborate planning and doing out-of-place
transforms and copying data back over in-place transforms
and using FFTW_ESTIMATE.
Axel Kohlmeyer <akohlmey@gmail.com> | May 26 2010, 01:33 |
junge | Oct 6 2016, 16:49 |