Back to index

glibc  2.9
softpipe.h
Go to the documentation of this file.
00001 /* This file is part of the GNU C Library.
00002    Copyright (C) 2000 Free Software Foundation, Inc.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 /* The latency of a memory load assumed by the assembly implementation
00020    of the mem and str functions.  Since we don't have any clue about
00021    where the data might be, let's assume it's in the L2 cache.  
00022    Assuming L3 would be too pessimistic :-)
00023 
00024    Some functions define MEMLAT as 2, because they expect their data
00025    to be in the L1D cache.  */
00026 
00027 #ifndef MEMLAT
00028 # define MEMLAT 6
00029 #endif