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#include "libpbd-config.h"
#include <cstring>
#include <cerrno>
#include "pbd/malign.h"
#include "pbd/error.h"
#include "i18n.h"
using namespace PBD;
#ifdef __x86_64__
static const int CPU_CACHE_ALIGN = 64;
#else
static const int CPU_CACHE_ALIGN = 16; /* arguably 32 on most arches, but it matters less */
#endif
int cache_aligned_malloc (void** memptr, size_t size)
{
#ifdef NO_POSIX_MEMALIGN
if (((*memptr) = malloc (size)) == 0) {
fatal << string_compose (_("Memory allocation error: malloc (%1 * %2) failed (%3)"),
CPU_CACHE_ALIGN, size, strerror (errno)) << endmsg;
return errno;
} else {
return 0;
}
#else
if (posix_memalign (memptr, CPU_CACHE_ALIGN, size)) {
fatal << string_compose (_("Memory allocation error: posix_memalign (%1 * %2) failed (%3)"),
CPU_CACHE_ALIGN, size, strerror (errno)) << endmsg;
}
return 0;
#endif
}
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