Package of FFTW (at the NetBSD packages collection) and also FFTW 2. Package of FFTW (at the FreeBSD ports collection).

(Note that the installation notes below were sent in by These are files and notes to help you install FFTW on particular Platform-Specific Files and Documentation The relevant macros manually if you are not using autoconf.) The top of cycle.h into your configure.ac file and #include 'config.h' before cycle.h, or define

Solaris' gethrtime, you need to paste the autoconf snippet from (In order to use some of the OS-dependent timer routines like In arbitrary units, not seconds or anything like 's intendedįor performance comparisons on a given machine only.) The elapsed time as a double-precision number. Time, and call the elapsed(t1,t2) function to get Ticks t = getticks() function before and after the code you want to FFTW cycle-counter code: cycle.h (ftp: cycle.h).You can download FFTW's cycle-counter header by itself: If you are interested in using a cycle counter in your own code, (Itanium), x86-64, PowerPC, Alpha, PA-RISC, MIPS, s390, and other We support the cycle counter for x86 (Pentium and later), IA-64 High-precision timer to measure the cost of different code choices,Īnd we now use the hardware cycle counter available in most modernĬPUs. In order to perform runtime self-optimization, FFTW needs a With that of version 3.x, we continue to distribute it for those users Section of the FFTW manual for more information.įFTW 2.1.5 is the stable release of FFTW2, last updated in 1999.įFTW 2.1.5 is obsolete, but because its API is incompatible See below for other platform-specific notes/binaries and other stuff.īe sure to look at the installation section of the manual.įFTW is distributed under the GNU GPL see the License and Copyright.Version 3.3.10 is the latest stable release of FFTW, and full source Mailing list on Google Groups to receive an email when FFTW is Downloading FFTW Mailing list / Announcements

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