FFTW-WISDOM(1) fftw FFTW-WISDOM(1) (NAME) fftw-wisdom - (wisdom) (SYNOPSIS) fftw-wisdom []... []... (DESCRIPTION) fftw-wisdom (wisdom) FFTW () . FFTW . FFTW : http://www.fftw.org FFTW . FFTW (system wisdom) /etc/fftw/wisdom . fftw-wisdom . ( - ) : fftw-wisdom -v -c -o wisdom ( -t ) wisdom ( / ) /etc/fftw/ . fftw-wisdom -o ( ). /etc/fftw/wisdom fftw-wisdom ( -n ) . ( -w) . (SPECIFYING SIZES) -c . <<->> ( ) . : 'c' () 'r' ( r2c/c2r) 'k' ( r2r ) . 'i' ( / in place) 'o' ( / out of place) . 'f' ( / forward) 'b' ( / backward) . 'k' (geometry) . 'x' ( '16x32' ). 'k' "" f/b/h/e00/e01/e10/e11/o00/o01/o10/o11 R2HC/HC2R/DHT/REDFT00/.../RODFT11 ( FFTW ). 'cif12x13x14' (DFT) . 'rob65536' () . 'ki10hx20e01' r2r DHT REDFT01 ( DCT-III) . (OPTIONS) -h, --help . -V, --version . -v, --verbose . ( .) ( ) -o . -c, --canonical () : 2^20 () . ( 16x16x16) . -t hours, --time-limit=hours hours ( ) . ( .) . -o file, --output-file=file file (). -m, --measure; -e, --estimate; -x, --exhaustive fftw-wisdom FFTW_PATIENT FFTW_MEASURE FFTW_ESTIMATE FFTW_EXHAUSTIVE FFTW . (patience level) ( patient --exhaustive ). -n, --no-system-wisdom () /etc/fftw/wisdom ( ). -w file, --wisdom-file=file file ( -n ). -w . file <<->> . -T N, --threads=N N (thread). FFTW . (BUGS) fftw@fftw.org . (AUTHORS) Steven G. Johnson Matteo Frigo. Copyright (c) 2003, 2007-14 Matteo Frigo Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology (SEE ALSO) fftw-wisdom-to-conf(1) fftw February, 2003 FFTW-WISDOM(1)