comparison Lib/fftw-3.2.1/doc/html/.svn/text-base/Data-Alignment.html.svn-base @ 15:585caf503ef5 tip

Tidy up for ROLI
author Geogaddi\David <d.m.ronan@qmul.ac.uk>
date Tue, 17 May 2016 18:50:19 +0100
parents 636c989477e7
children
comparison
equal deleted inserted replaced
14:636c989477e7 15:585caf503ef5
1 <html lang="en">
2 <head>
3 <title>Data Alignment - FFTW 3.2.1</title>
4 <meta http-equiv="Content-Type" content="text/html">
5 <meta name="description" content="FFTW 3.2.1">
6 <meta name="generator" content="makeinfo 4.8">
7 <link title="Top" rel="start" href="index.html#Top">
8 <link rel="up" href="Other-Important-Topics.html#Other-Important-Topics" title="Other Important Topics">
9 <link rel="prev" href="Other-Important-Topics.html#Other-Important-Topics" title="Other Important Topics">
10 <link rel="next" href="Multi_002ddimensional-Array-Format.html#Multi_002ddimensional-Array-Format" title="Multi-dimensional Array Format">
11 <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
12 <!--
13 This manual is for FFTW
14 (version 3.2.1, 5 February 2009).
15
16 Copyright (C) 2003 Matteo Frigo.
17
18 Copyright (C) 2003 Massachusetts Institute of Technology.
19
20 Permission is granted to make and distribute verbatim copies of
21 this manual provided the copyright notice and this permission
22 notice are preserved on all copies.
23
24 Permission is granted to copy and distribute modified versions of
25 this manual under the conditions for verbatim copying, provided
26 that the entire resulting derived work is distributed under the
27 terms of a permission notice identical to this one.
28
29 Permission is granted to copy and distribute translations of this
30 manual into another language, under the above conditions for
31 modified versions, except that this permission notice may be
32 stated in a translation approved by the Free Software Foundation.
33 -->
34 <meta http-equiv="Content-Style-Type" content="text/css">
35 <style type="text/css"><!--
36 pre.display { font-family:inherit }
37 pre.format { font-family:inherit }
38 pre.smalldisplay { font-family:inherit; font-size:smaller }
39 pre.smallformat { font-family:inherit; font-size:smaller }
40 pre.smallexample { font-size:smaller }
41 pre.smalllisp { font-size:smaller }
42 span.sc { font-variant:small-caps }
43 span.roman { font-family:serif; font-weight:normal; }
44 span.sansserif { font-family:sans-serif; font-weight:normal; }
45 --></style>
46 </head>
47 <body>
48 <div class="node">
49 <p>
50 <a name="Data-Alignment"></a>
51 Next:&nbsp;<a rel="next" accesskey="n" href="Multi_002ddimensional-Array-Format.html#Multi_002ddimensional-Array-Format">Multi-dimensional Array Format</a>,
52 Previous:&nbsp;<a rel="previous" accesskey="p" href="Other-Important-Topics.html#Other-Important-Topics">Other Important Topics</a>,
53 Up:&nbsp;<a rel="up" accesskey="u" href="Other-Important-Topics.html#Other-Important-Topics">Other Important Topics</a>
54 <hr>
55 </div>
56
57 <h3 class="section">3.1 Data Alignment</h3>
58
59 <p><a name="index-alignment-101"></a>
60
61 <ul class="menu">
62 <li><a accesskey="1" href="SIMD-alignment-and-fftw_005fmalloc.html#SIMD-alignment-and-fftw_005fmalloc">SIMD alignment and fftw_malloc</a>
63 <li><a accesskey="2" href="Stack-alignment-on-x86.html#Stack-alignment-on-x86">Stack alignment on x86</a>
64 </ul>
65
66 <p>In order to get the best performance from FFTW, one needs to be
67 somewhat aware of two problems related to data alignment on x86
68 (Pentia) architectures: alignment of allocated arrays (for use with
69 SIMD acceleration), and alignment of the stack.
70
71 <!-- =========> -->
72 </body></html>
73