165 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
		
		
			
		
	
	
			165 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
| 
								 | 
							
								<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
							 | 
						||
| 
								 | 
							
								<html>
							 | 
						||
| 
								 | 
							
								<!-- This manual is for FFTW
							 | 
						||
| 
								 | 
							
								(version 3.3.10, 10 December 2020).
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								Copyright (C) 2003 Matteo Frigo.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								Copyright (C) 2003 Massachusetts Institute of Technology.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								Permission is granted to make and distribute verbatim copies of this
							 | 
						||
| 
								 | 
							
								manual provided the copyright notice and this permission notice are
							 | 
						||
| 
								 | 
							
								preserved on all copies.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								Permission is granted to copy and distribute modified versions of this
							 | 
						||
| 
								 | 
							
								manual under the conditions for verbatim copying, provided that the
							 | 
						||
| 
								 | 
							
								entire resulting derived work is distributed under the terms of a
							 | 
						||
| 
								 | 
							
								permission notice identical to this one.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								Permission is granted to copy and distribute translations of this manual
							 | 
						||
| 
								 | 
							
								into another language, under the above conditions for modified versions,
							 | 
						||
| 
								 | 
							
								except that this permission notice may be stated in a translation
							 | 
						||
| 
								 | 
							
								approved by the Free Software Foundation. -->
							 | 
						||
| 
								 | 
							
								<!-- Created by GNU Texinfo 6.7, http://www.gnu.org/software/texinfo/ -->
							 | 
						||
| 
								 | 
							
								<head>
							 | 
						||
| 
								 | 
							
								<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
							 | 
						||
| 
								 | 
							
								<title>Acknowledgments (FFTW 3.3.10)</title>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<meta name="description" content="Acknowledgments (FFTW 3.3.10)">
							 | 
						||
| 
								 | 
							
								<meta name="keywords" content="Acknowledgments (FFTW 3.3.10)">
							 | 
						||
| 
								 | 
							
								<meta name="resource-type" content="document">
							 | 
						||
| 
								 | 
							
								<meta name="distribution" content="global">
							 | 
						||
| 
								 | 
							
								<meta name="Generator" content="makeinfo">
							 | 
						||
| 
								 | 
							
								<link href="index.html" rel="start" title="Top">
							 | 
						||
| 
								 | 
							
								<link href="Concept-Index.html" rel="index" title="Concept Index">
							 | 
						||
| 
								 | 
							
								<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
							 | 
						||
| 
								 | 
							
								<link href="index.html" rel="up" title="Top">
							 | 
						||
| 
								 | 
							
								<link href="License-and-Copyright.html" rel="next" title="License and Copyright">
							 | 
						||
| 
								 | 
							
								<link href="Generating-your-own-code.html" rel="prev" title="Generating your own code">
							 | 
						||
| 
								 | 
							
								<style type="text/css">
							 | 
						||
| 
								 | 
							
								<!--
							 | 
						||
| 
								 | 
							
								a.summary-letter {text-decoration: none}
							 | 
						||
| 
								 | 
							
								blockquote.indentedblock {margin-right: 0em}
							 | 
						||
| 
								 | 
							
								div.display {margin-left: 3.2em}
							 | 
						||
| 
								 | 
							
								div.example {margin-left: 3.2em}
							 | 
						||
| 
								 | 
							
								div.lisp {margin-left: 3.2em}
							 | 
						||
| 
								 | 
							
								kbd {font-style: oblique}
							 | 
						||
| 
								 | 
							
								pre.display {font-family: inherit}
							 | 
						||
| 
								 | 
							
								pre.format {font-family: inherit}
							 | 
						||
| 
								 | 
							
								pre.menu-comment {font-family: serif}
							 | 
						||
| 
								 | 
							
								pre.menu-preformatted {font-family: serif}
							 | 
						||
| 
								 | 
							
								span.nolinebreak {white-space: nowrap}
							 | 
						||
| 
								 | 
							
								span.roman {font-family: initial; font-weight: normal}
							 | 
						||
| 
								 | 
							
								span.sansserif {font-family: sans-serif; font-weight: normal}
							 | 
						||
| 
								 | 
							
								ul.no-bullet {list-style: none}
							 | 
						||
| 
								 | 
							
								-->
							 | 
						||
| 
								 | 
							
								</style>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								</head>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<body lang="en">
							 | 
						||
| 
								 | 
							
								<span id="Acknowledgments"></span><div class="header">
							 | 
						||
| 
								 | 
							
								<p>
							 | 
						||
| 
								 | 
							
								Next: <a href="License-and-Copyright.html" accesskey="n" rel="next">License and Copyright</a>, Previous: <a href="Installation-and-Customization.html" accesskey="p" rel="prev">Installation and Customization</a>, Up: <a href="index.html" accesskey="u" rel="up">Top</a>   [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
							 | 
						||
| 
								 | 
							
								</div>
							 | 
						||
| 
								 | 
							
								<hr>
							 | 
						||
| 
								 | 
							
								<span id="Acknowledgments-1"></span><h2 class="chapter">11 Acknowledgments</h2>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<p>Matteo Frigo was supported in part by the Special Research Program SFB
							 | 
						||
| 
								 | 
							
								F011 “AURORA” of the Austrian Science Fund FWF and by MIT Lincoln
							 | 
						||
| 
								 | 
							
								Laboratory.  For previous versions of FFTW, he was supported in part by the
							 | 
						||
| 
								 | 
							
								Defense Advanced Research Projects Agency (DARPA), under Grants
							 | 
						||
| 
								 | 
							
								N00014-94-1-0985 and F30602-97-1-0270, and by a Digital Equipment
							 | 
						||
| 
								 | 
							
								Corporation Fellowship.  
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>Steven G. Johnson was supported in part by a Dept. of Defense NDSEG
							 | 
						||
| 
								 | 
							
								Fellowship, an MIT Karl Taylor Compton Fellowship, and by the Materials
							 | 
						||
| 
								 | 
							
								Research Science and Engineering Center program of the National Science
							 | 
						||
| 
								 | 
							
								Foundation under award DMR-9400334.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>Code for the Cell Broadband Engine was graciously donated to the FFTW
							 | 
						||
| 
								 | 
							
								project by the IBM Austin Research Lab and included in fftw-3.2.  (This
							 | 
						||
| 
								 | 
							
								code was removed in fftw-3.3.)
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>Code for the MIPS paired-single SIMD support was graciously donated to
							 | 
						||
| 
								 | 
							
								the FFTW project by CodeSourcery, Inc.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>We are grateful to Sun Microsystems Inc. for its donation of a
							 | 
						||
| 
								 | 
							
								cluster of 9 8-processor Ultra HPC 5000 SMPs (24 Gflops peak). These
							 | 
						||
| 
								 | 
							
								machines served as the primary platform for the development of early
							 | 
						||
| 
								 | 
							
								versions of FFTW.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>We thank Intel Corporation for donating a four-processor Pentium Pro
							 | 
						||
| 
								 | 
							
								machine.  We thank the GNU/Linux community for giving us a decent OS to
							 | 
						||
| 
								 | 
							
								run on that machine.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>We are thankful to the AMD corporation for donating an AMD Athlon XP 1700+
							 | 
						||
| 
								 | 
							
								computer to the FFTW project.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>We thank the Compaq/HP testdrive program and VA Software Corporation
							 | 
						||
| 
								 | 
							
								(SourceForge.net) for providing remote access to machines that were used
							 | 
						||
| 
								 | 
							
								to test FFTW.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>The <code>genfft</code> suite of code generators was written using Objective
							 | 
						||
| 
								 | 
							
								Caml, a dialect of ML.  Objective Caml is a small and elegant language
							 | 
						||
| 
								 | 
							
								developed by Xavier Leroy.  The implementation is available from
							 | 
						||
| 
								 | 
							
								<a href="http://caml.inria.fr/"><code>http://caml.inria.fr/</code></a>.  In previous
							 | 
						||
| 
								 | 
							
								releases of FFTW, <code>genfft</code> was written in Caml Light, by the same
							 | 
						||
| 
								 | 
							
								authors.  An even earlier implementation of <code>genfft</code> was written in
							 | 
						||
| 
								 | 
							
								Scheme, but Caml is definitely better for this kind of application.
							 | 
						||
| 
								 | 
							
								<span id="index-Caml-1"></span>
							 | 
						||
| 
								 | 
							
								<span id="index-LISP"></span>
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<p>FFTW uses many tools from the GNU project, including <code>automake</code>,
							 | 
						||
| 
								 | 
							
								<code>texinfo</code>, and <code>libtool</code>.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>Prof. Charles E. Leiserson of MIT provided continuous support and
							 | 
						||
| 
								 | 
							
								encouragement.  This program would not exist without him.  Charles also
							 | 
						||
| 
								 | 
							
								proposed the name “codelets” for the basic FFT blocks.
							 | 
						||
| 
								 | 
							
								<span id="index-codelet-3"></span>
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								<p>Prof. John D. Joannopoulos of MIT demonstrated continuing tolerance of
							 | 
						||
| 
								 | 
							
								Steven’s “extra-curricular” computer-science activities, as well as
							 | 
						||
| 
								 | 
							
								remarkable creativity in working them into his grant proposals.
							 | 
						||
| 
								 | 
							
								Steven’s physics degree would not exist without him.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>Franz Franchetti wrote SIMD extensions to FFTW 2, which eventually
							 | 
						||
| 
								 | 
							
								led to the SIMD support in FFTW 3.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>Stefan Kral wrote most of the K7 code generator distributed with FFTW
							 | 
						||
| 
								 | 
							
								3.0.x and 3.1.x.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>Andrew Sterian contributed the Windows timing code in FFTW 2.  
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>Didier Miras reported a bug in the test procedure used in FFTW 1.2.  We
							 | 
						||
| 
								 | 
							
								now use a completely different test algorithm by Funda Ergun that does
							 | 
						||
| 
								 | 
							
								not require a separate FFT program to compare against.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>Wolfgang Reimer contributed the Pentium cycle counter and a few fixes
							 | 
						||
| 
								 | 
							
								that help portability.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p>Ming-Chang Liu uncovered a well-hidden bug in the complex transforms of
							 | 
						||
| 
								 | 
							
								FFTW 2.0 and supplied a patch to correct it.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<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 Linux
							 | 
						||
| 
								 | 
							
								FAQ.
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<p><em>We are especially thankful to all of our users for their
							 | 
						||
| 
								 | 
							
								continuing support, feedback, and interest during our development of
							 | 
						||
| 
								 | 
							
								FFTW.</em>
							 | 
						||
| 
								 | 
							
								</p>
							 | 
						||
| 
								 | 
							
								<hr>
							 | 
						||
| 
								 | 
							
								<div class="header">
							 | 
						||
| 
								 | 
							
								<p>
							 | 
						||
| 
								 | 
							
								Next: <a href="License-and-Copyright.html" accesskey="n" rel="next">License and Copyright</a>, Previous: <a href="Installation-and-Customization.html" accesskey="p" rel="prev">Installation and Customization</a>, Up: <a href="index.html" accesskey="u" rel="up">Top</a>   [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
							 | 
						||
| 
								 | 
							
								</div>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								</body>
							 | 
						||
| 
								 | 
							
								</html>
							 |