sysdeps/ia64/softpipe.h

   1 /* This file is part of the GNU C Library.
   2    Copyright (C) 2000-2023 Free Software Foundation, Inc.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library 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 GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 /* The latency of a memory load assumed by the assembly implementation
  19    of the mem and str functions.  Since we don't have any clue about
  20    where the data might be, let's assume it's in the L2 cache.
  21    Assuming L3 would be too pessimistic :-)
  22
  23    Some functions define MEMLAT as 2, because they expect their data
  24    to be in the L1D cache.  */
  25
  26 #ifndef MEMLAT
  27 # define MEMLAT 6
  28 #endif