cupyx.scipy.fft.next_fast_len¶
-
cupyx.scipy.fft.
next_fast_len
(target, real=False)[source]¶ Find the next fast size to
fft
.- Parameters
- Returns
The smallest fast length greater than or equal to the input value.
- Return type
See also
Note
It may return a different value to
scipy.fft.next_fast_len()
as pocketfft’s prime factors are different from cuFFT’s factors. For details, see the cuFFT documentation.