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Configurable ALLOC_ALIGN and ALLOC_CACHE

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This commit is contained in:
Peter Boyle 2020-11-20 16:48:28 +01:00
parent e49b7f2f88
commit 612e468889
2 changed files with 22 additions and 2 deletions
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2
Grid/allocator/MemoryManager.h
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@ -34,8 +34,6 @@ NAMESPACE_BEGIN(Grid);
// Move control to configure.ac and Config.h?
#define ALLOCATION_CACHE
#define GRID_ALLOC_ALIGN (2*1024*1024)
#define GRID_ALLOC_SMALL_LIMIT (4096)
/*Pinning pages is costly*/

22
configure.ac
View File

@ -491,6 +491,28 @@ AM_CFLAGS="$SIMD_FLAGS $AM_CFLAGS"
###### PRECISION ALWAYS DOUBLE
AC_DEFINE([GRID_DEFAULT_PRECISION_DOUBLE],[1],[GRID_DEFAULT_PRECISION is DOUBLE] )
#########################################################
###################### GRID ALLOCATOR ALIGNMENT ##
#########################################################
AC_ARG_ENABLE([alloc-align],[AC_HELP_STRING([--enable-alloc-align=2MB|4k],
[Alignment in bytes of GRID Allocator ])],[ac_ALLOC_ALIGN=${enable_alloc_align}],[ac_ALLOC_ALIGN=2MB])
case ${ac_ALLOC_ALIGN} in
4k)
AC_DEFINE([GRID_ALLOC_ALIGN],[(4096)],[GRID_ALLOC_ALIGN]);;
2MB)
AC_DEFINE([GRID_ALLOC_ALIGN],[(2*1024*1024)],[GRID_ALLOC_ALIGN]);;
*);;
esac
AC_ARG_ENABLE([alloc-cache],[AC_HELP_STRING([--enable-alloc-cache ],
[Cache a pool of recent "frees" to reuse])],[ac_ALLOC_CACHE=${enable_alloc_cache}],[ac_ALLOC_CACHE=yes])
case ${ac_ALLOC_CACHE} in
yes)
AC_DEFINE([ALLOCATION_CACHE],[1],[ALLOCATION_CACHE]);;
*);;
esac
#########################################################
###################### set GPU device to rank in node ##
#########################################################