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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"><HTML><HEAD><!-- This HTML file has been created by texi2html 1.52 from fftw.texi on 24 March 2003 --><TITLE>FFTW - Acknowledgments</TITLE></HEAD><BODY TEXT="#000000" BGCOLOR="#FFFFFF">Go to the <A HREF="fftw_1.html">first</A>, <A HREF="fftw_6.html">previous</A>, <A HREF="fftw_8.html">next</A>, <A HREF="fftw_10.html">last</A> section, <A HREF="fftw_toc.html">table of contents</A>.<P><HR><P><H1><A NAME="SEC73">Acknowledgments</A></H1><P>Matteo Frigo was supported in part by the Defense Advanced ResearchProjects Agency (DARPA) under Grants N00014-94-1-0985 andF30602-97-1-0270, and by a Digital Equipment Corporation Fellowship.Steven G. Johnson was supported in part by a DoD NDSEG Fellowship, anMIT Karl Taylor Compton Fellowship, and by the Materials ResearchScience and Engineering Center program of the National ScienceFoundation under award DMR-9400334.<P>Both authors were also supported in part by their respectivegirlfriends, by the letters "Q" and "R", and by the number 12.<A NAME="IDX343"></A><P>We are grateful to SUN Microsystems Inc. for its donation of a clusterof 9 8-processor Ultra HPC 5000 SMPs (24 Gflops peak). These machinesserved as the primary platform for the development of earlier versionsof FFTW.<P>We thank Intel Corporation for donating a four-processor Pentium Promachine. We thank the Linux community for giving us a decent OS to runon that machine.<P>The <CODE>genfft</CODE> program was written using Objective Caml, a dialect ofML. Objective Caml is a small and elegant language developed by XavierLeroy. The implementation is available from <CODE>ftp.inria.fr</CODE> in thedirectory <CODE>lang/caml-light</CODE>. We used versions 1.07 and 2.00 of thesoftware. In previous releases of FFTW, <CODE>genfft</CODE> was written inCaml Light, by the same authors. An even earlier implementation of<CODE>genfft</CODE> was written in Scheme, but Caml is definitely better forthis kind of application.<A NAME="IDX344"></A><A NAME="IDX345"></A><A NAME="IDX346"></A><P>FFTW uses many tools from the GNU project, including <CODE>automake</CODE>,<CODE>texinfo</CODE>, and <CODE>libtool</CODE>.<P>Prof. Charles E. Leiserson of MIT provided continuous support andencouragement. This program would not exist without him. Charles alsoproposed the name "codelets" for the basic FFT blocks.<P>Prof. John D. Joannopoulos of MIT demonstrated continuing tolerance ofSteven's "extra-curricular" computer-science activities. Steven'schances at a physics degree would not exist without him.<P>Andrew Sterian contributed the Windows timing code. <P>Didier Miras reported a bug in the test procedure used in FFTW 1.2. Wenow use a completely different test algorithm by Funda Ergun that doesnot require a separate FFT program to compare against.<P>Wolfgang Reimer contributed the Pentium cycle counter and a few fixesthat help portability.<P>Ming-Chang Liu uncovered a well-hidden bug in the complex transforms ofFFTW 2.0 and supplied a patch to correct it.<P>The FFTW FAQ was written in <CODE>bfnn</CODE> (Bizarre Format With No Name)and formatted using the tools developed by Ian Jackson for the LinuxFAQ.<P><EM>We are especially thankful to all of our users for theircontinuing support, feedback, and interest during our development ofFFTW.</EM><P><HR><P>Go to the <A HREF="fftw_1.html">first</A>, <A HREF="fftw_6.html">previous</A>, <A HREF="fftw_8.html">next</A>, <A HREF="fftw_10.html">last</A> section, <A HREF="fftw_toc.html">table of contents</A>.</BODY></HTML>⌨️ 快捷键说明
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