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diff libinterp/dldfcn/fftw.cc @ 31184:68ec7f275f0e

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fftw: Limit the default number of threads used by FFTW to 3. * liboctave/numeric/oct-fftw.cc (fftw_planner::fftw_planner): Limit the default number of threads used by FFTW to 3. * libinterp/dldfcn/fftw.cc (Ffftw): Document new default number of threads used by FFTW. See: https://octave.discourse.group/t/3121
author Markus Mützel <markus.muetzel@gmx.de>
date Thu, 11 Aug 2022 19:57:11 +0200
parents 32d2b6604a9f
children e88a07dec498
line wrap: on
line diff
--- a/libinterp/dldfcn/fftw.cc	Thu Aug 11 09:38:09 2022 +0200
+++ b/libinterp/dldfcn/fftw.cc	Thu Aug 11 19:57:11 2022 +0200
@@ -134,9 +134,9 @@
 fftw ("threads", @var{NTHREADS})
 @end example
 
-Note that octave must be compiled with multi-threaded @sc{fftw} support for
-this feature.  The number of processors available to the current process is
-used per default.
+Note that Octave must be compiled with multi-threaded @sc{fftw} support for
+this feature.  By default, the number of (logical) processors available to the
+current process or @var{3} is used (whichever is smaller).
 
 @seealso{fft, ifft, fft2, ifft2, fftn, ifftn}
 @end deftypefn */)