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author Chris Cannam
date Mon, 02 Mar 2020 14:03:47 +0000
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Chris@82 1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
Chris@82 2 <html>
Chris@82 3 <!-- This manual is for FFTW
Chris@82 4 (version 3.3.8, 24 May 2018).
Chris@82 5
Chris@82 6 Copyright (C) 2003 Matteo Frigo.
Chris@82 7
Chris@82 8 Copyright (C) 2003 Massachusetts Institute of Technology.
Chris@82 9
Chris@82 10 Permission is granted to make and distribute verbatim copies of this
Chris@82 11 manual provided the copyright notice and this permission notice are
Chris@82 12 preserved on all copies.
Chris@82 13
Chris@82 14 Permission is granted to copy and distribute modified versions of this
Chris@82 15 manual under the conditions for verbatim copying, provided that the
Chris@82 16 entire resulting derived work is distributed under the terms of a
Chris@82 17 permission notice identical to this one.
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Chris@82 22 approved by the Free Software Foundation. -->
Chris@82 23 <!-- Created by GNU Texinfo 6.3, http://www.gnu.org/software/texinfo/ -->
Chris@82 24 <head>
Chris@82 25 <title>FFTW 3.3.8: Acknowledgments</title>
Chris@82 26
Chris@82 27 <meta name="description" content="FFTW 3.3.8: Acknowledgments">
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Chris@82 66
Chris@82 67
Chris@82 68 </head>
Chris@82 69
Chris@82 70 <body lang="en">
Chris@82 71 <a name="Acknowledgments"></a>
Chris@82 72 <div class="header">
Chris@82 73 <p>
Chris@82 74 Next: <a href="License-and-Copyright.html#License-and-Copyright" accesskey="n" rel="next">License and Copyright</a>, Previous: <a href="Installation-and-Customization.html#Installation-and-Customization" accesskey="p" rel="prev">Installation and Customization</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
Chris@82 75 </div>
Chris@82 76 <hr>
Chris@82 77 <a name="Acknowledgments-1"></a>
Chris@82 78 <h2 class="chapter">11 Acknowledgments</h2>
Chris@82 79
Chris@82 80 <p>Matteo Frigo was supported in part by the Special Research Program SFB
Chris@82 81 F011 &ldquo;AURORA&rdquo; of the Austrian Science Fund FWF and by MIT Lincoln
Chris@82 82 Laboratory. For previous versions of FFTW, he was supported in part by the
Chris@82 83 Defense Advanced Research Projects Agency (DARPA), under Grants
Chris@82 84 N00014-94-1-0985 and F30602-97-1-0270, and by a Digital Equipment
Chris@82 85 Corporation Fellowship.
Chris@82 86 </p>
Chris@82 87 <p>Steven G. Johnson was supported in part by a Dept.&nbsp;of Defense NDSEG
Chris@82 88 Fellowship, an MIT Karl Taylor Compton Fellowship, and by the Materials
Chris@82 89 Research Science and Engineering Center program of the National Science
Chris@82 90 Foundation under award DMR-9400334.
Chris@82 91 </p>
Chris@82 92 <p>Code for the Cell Broadband Engine was graciously donated to the FFTW
Chris@82 93 project by the IBM Austin Research Lab and included in fftw-3.2. (This
Chris@82 94 code was removed in fftw-3.3.)
Chris@82 95 </p>
Chris@82 96 <p>Code for the MIPS paired-single SIMD support was graciously donated to
Chris@82 97 the FFTW project by CodeSourcery, Inc.
Chris@82 98 </p>
Chris@82 99 <p>We are grateful to Sun Microsystems Inc.&nbsp;for its donation of a
Chris@82 100 cluster of 9 8-processor Ultra HPC 5000 SMPs (24 Gflops peak). These
Chris@82 101 machines served as the primary platform for the development of early
Chris@82 102 versions of FFTW.
Chris@82 103 </p>
Chris@82 104 <p>We thank Intel Corporation for donating a four-processor Pentium Pro
Chris@82 105 machine. We thank the GNU/Linux community for giving us a decent OS to
Chris@82 106 run on that machine.
Chris@82 107 </p>
Chris@82 108 <p>We are thankful to the AMD corporation for donating an AMD Athlon XP 1700+
Chris@82 109 computer to the FFTW project.
Chris@82 110 </p>
Chris@82 111 <p>We thank the Compaq/HP testdrive program and VA Software Corporation
Chris@82 112 (SourceForge.net) for providing remote access to machines that were used
Chris@82 113 to test FFTW.
Chris@82 114 </p>
Chris@82 115 <p>The <code>genfft</code> suite of code generators was written using Objective
Chris@82 116 Caml, a dialect of ML. Objective Caml is a small and elegant language
Chris@82 117 developed by Xavier Leroy. The implementation is available from
Chris@82 118 <a href="http://caml.inria.fr/"><code>http://caml.inria.fr/</code></a>. In previous
Chris@82 119 releases of FFTW, <code>genfft</code> was written in Caml Light, by the same
Chris@82 120 authors. An even earlier implementation of <code>genfft</code> was written in
Chris@82 121 Scheme, but Caml is definitely better for this kind of application.
Chris@82 122 <a name="index-Caml-1"></a>
Chris@82 123 <a name="index-LISP"></a>
Chris@82 124 </p>
Chris@82 125
Chris@82 126 <p>FFTW uses many tools from the GNU project, including <code>automake</code>,
Chris@82 127 <code>texinfo</code>, and <code>libtool</code>.
Chris@82 128 </p>
Chris@82 129 <p>Prof.&nbsp;Charles E.&nbsp;Leiserson of MIT provided continuous support and
Chris@82 130 encouragement. This program would not exist without him. Charles also
Chris@82 131 proposed the name &ldquo;codelets&rdquo; for the basic FFT blocks.
Chris@82 132 <a name="index-codelet-3"></a>
Chris@82 133 </p>
Chris@82 134
Chris@82 135 <p>Prof.&nbsp;John D.&nbsp;Joannopoulos of MIT demonstrated continuing tolerance of
Chris@82 136 Steven&rsquo;s &ldquo;extra-curricular&rdquo; computer-science activities, as well as
Chris@82 137 remarkable creativity in working them into his grant proposals.
Chris@82 138 Steven&rsquo;s physics degree would not exist without him.
Chris@82 139 </p>
Chris@82 140 <p>Franz Franchetti wrote SIMD extensions to FFTW 2, which eventually
Chris@82 141 led to the SIMD support in FFTW 3.
Chris@82 142 </p>
Chris@82 143 <p>Stefan Kral wrote most of the K7 code generator distributed with FFTW
Chris@82 144 3.0.x and 3.1.x.
Chris@82 145 </p>
Chris@82 146 <p>Andrew Sterian contributed the Windows timing code in FFTW 2.
Chris@82 147 </p>
Chris@82 148 <p>Didier Miras reported a bug in the test procedure used in FFTW 1.2. We
Chris@82 149 now use a completely different test algorithm by Funda Ergun that does
Chris@82 150 not require a separate FFT program to compare against.
Chris@82 151 </p>
Chris@82 152 <p>Wolfgang Reimer contributed the Pentium cycle counter and a few fixes
Chris@82 153 that help portability.
Chris@82 154 </p>
Chris@82 155 <p>Ming-Chang Liu uncovered a well-hidden bug in the complex transforms of
Chris@82 156 FFTW 2.0 and supplied a patch to correct it.
Chris@82 157 </p>
Chris@82 158 <p>The FFTW FAQ was written in <code>bfnn</code> (Bizarre Format With No Name)
Chris@82 159 and formatted using the tools developed by Ian Jackson for the Linux
Chris@82 160 FAQ.
Chris@82 161 </p>
Chris@82 162 <p><em>We are especially thankful to all of our users for their
Chris@82 163 continuing support, feedback, and interest during our development of
Chris@82 164 FFTW.</em>
Chris@82 165 </p>
Chris@82 166 <hr>
Chris@82 167 <div class="header">
Chris@82 168 <p>
Chris@82 169 Next: <a href="License-and-Copyright.html#License-and-Copyright" accesskey="n" rel="next">License and Copyright</a>, Previous: <a href="Installation-and-Customization.html#Installation-and-Customization" accesskey="p" rel="prev">Installation and Customization</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
Chris@82 170 </div>
Chris@82 171
Chris@82 172
Chris@82 173
Chris@82 174 </body>
Chris@82 175 </html>