2 Copyright (C) 2012 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "libpbd-config.h"
25 #include "pbd/malign.h"
26 #include "pbd/error.h"
33 static const int CPU_CACHE_ALIGN = 64;
35 static const int CPU_CACHE_ALIGN = 16; /* arguably 32 on most arches, but it matters less */
38 int cache_aligned_malloc (void** memptr, size_t size)
40 #ifndef HAVE_POSIX_MEMALIGN
41 if (((*memptr) = malloc (size)) == 0) {
42 fatal << string_compose (_("Memory allocation error: malloc (%1 * %2) failed (%3)"),
43 CPU_CACHE_ALIGN, size, strerror (errno)) << endmsg;
49 if (posix_memalign (memptr, CPU_CACHE_ALIGN, size)) {
50 fatal << string_compose (_("Memory allocation error: posix_memalign (%1 * %2) failed (%3)"),
51 CPU_CACHE_ALIGN, size, strerror (errno)) << endmsg;