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cannam@167:Matteo Frigo was supported in part by the Special Research Program SFB cannam@167: F011 “AURORA” of the Austrian Science Fund FWF and by MIT Lincoln cannam@167: Laboratory. For previous versions of FFTW, he was supported in part by the cannam@167: Defense Advanced Research Projects Agency (DARPA), under Grants cannam@167: N00014-94-1-0985 and F30602-97-1-0270, and by a Digital Equipment cannam@167: Corporation Fellowship. cannam@167:
cannam@167:Steven G. Johnson was supported in part by a Dept. of Defense NDSEG cannam@167: Fellowship, an MIT Karl Taylor Compton Fellowship, and by the Materials cannam@167: Research Science and Engineering Center program of the National Science cannam@167: Foundation under award DMR-9400334. cannam@167:
cannam@167:Code for the Cell Broadband Engine was graciously donated to the FFTW cannam@167: project by the IBM Austin Research Lab and included in fftw-3.2. (This cannam@167: code was removed in fftw-3.3.) cannam@167:
cannam@167:Code for the MIPS paired-single SIMD support was graciously donated to cannam@167: the FFTW project by CodeSourcery, Inc. cannam@167:
cannam@167:We are grateful to Sun Microsystems Inc. for its donation of a cannam@167: cluster of 9 8-processor Ultra HPC 5000 SMPs (24 Gflops peak). These cannam@167: machines served as the primary platform for the development of early cannam@167: versions of FFTW. cannam@167:
cannam@167:We thank Intel Corporation for donating a four-processor Pentium Pro cannam@167: machine. We thank the GNU/Linux community for giving us a decent OS to cannam@167: run on that machine. cannam@167:
cannam@167:We are thankful to the AMD corporation for donating an AMD Athlon XP 1700+ cannam@167: computer to the FFTW project. cannam@167:
cannam@167:We thank the Compaq/HP testdrive program and VA Software Corporation cannam@167: (SourceForge.net) for providing remote access to machines that were used cannam@167: to test FFTW. cannam@167:
cannam@167:The genfft suite of code generators was written using Objective
cannam@167: Caml, a dialect of ML. Objective Caml is a small and elegant language
cannam@167: developed by Xavier Leroy. The implementation is available from
cannam@167: http://caml.inria.fr/. In previous
cannam@167: releases of FFTW, genfft was written in Caml Light, by the same
cannam@167: authors. An even earlier implementation of genfft was written in
cannam@167: Scheme, but Caml is definitely better for this kind of application.
cannam@167:
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cannam@167:
FFTW uses many tools from the GNU project, including automake,
cannam@167: texinfo, and libtool.
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Prof. Charles E. Leiserson of MIT provided continuous support and cannam@167: encouragement. This program would not exist without him. Charles also cannam@167: proposed the name “codelets” for the basic FFT blocks. cannam@167: cannam@167:
cannam@167: cannam@167:Prof. John D. Joannopoulos of MIT demonstrated continuing tolerance of cannam@167: Steven’s “extra-curricular” computer-science activities, as well as cannam@167: remarkable creativity in working them into his grant proposals. cannam@167: Steven’s physics degree would not exist without him. cannam@167:
cannam@167:Franz Franchetti wrote SIMD extensions to FFTW 2, which eventually cannam@167: led to the SIMD support in FFTW 3. cannam@167:
cannam@167:Stefan Kral wrote most of the K7 code generator distributed with FFTW cannam@167: 3.0.x and 3.1.x. cannam@167:
cannam@167:Andrew Sterian contributed the Windows timing code in FFTW 2. cannam@167:
cannam@167:Didier Miras reported a bug in the test procedure used in FFTW 1.2. We cannam@167: now use a completely different test algorithm by Funda Ergun that does cannam@167: not require a separate FFT program to compare against. cannam@167:
cannam@167:Wolfgang Reimer contributed the Pentium cycle counter and a few fixes cannam@167: that help portability. cannam@167:
cannam@167:Ming-Chang Liu uncovered a well-hidden bug in the complex transforms of cannam@167: FFTW 2.0 and supplied a patch to correct it. cannam@167:
cannam@167:The FFTW FAQ was written in bfnn (Bizarre Format With No Name)
cannam@167: and formatted using the tools developed by Ian Jackson for the Linux
cannam@167: FAQ.
cannam@167:
We are especially thankful to all of our users for their cannam@167: continuing support, feedback, and interest during our development of cannam@167: FFTW. cannam@167:
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