set_config.sh

   1 #!/bin/bash -x
   2
   3 # Copyright (C) 2011 Sebastian Pop <sebpop@gmail.com>.
   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.
   8 #
   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.  A copy of this license
  13 # can be downloaded from http://www.gnu.org/copyleft/gpl.html
  14
  15 # This file is sourced at the beginning of every benchmark in the
  16 # go.sh script.  It sets the CONFIG and FLAGS variables and outputs
  17 # their values to the LOG file.
  18
  19 X=$HOME/gcc/test
  20 B=$X/bmks/$bmk
  21 config=$1
  22
  23 case "$config" in
  24     loop-interchange-block)
  25         FLAGS="-O3 -funroll-loops -fpeel-loops -ffast-math -march=native -floop-interchange -floop-block"
  26         ;;
  27     O2)
  28         FLAGS="-O2 -march=native"
  29         ;;
  30     lto)
  31         FLAGS="-O3 -funroll-loops -fpeel-loops -ffast-math -march=native -flto -fwhole-program -flto-partition=none"
  32         ;;
  33     Ofast)
  34         FLAGS="-Ofast -march=native"
  35         ;;
  36     ofast | "")
  37         FLAGS="-O3 -funroll-loops -fpeel-loops -ffast-math -march=native"
  38         config="ofast"
  39         ;;
  40     *)
  41         echo "Config $config not handled."
  42         exit 0
  43         ;;
  44 esac
  45
  46 CFLAGS=$FLAGS
  47 CXXFLAGS=$FLAGS
  48 FFLAGS=$FLAGS
  49
  50 now=`date +"%Y_%m_%d_%H_%M_%S"`
  51 tag="${bmk}_${config}_${now}"
  52 log=$X/log/$tag
  53 mkdir -p $X/log
  54
  55 echo "config file: $config" > $log
  56 echo "FLAGS=$FLAGS" >> $log
  57
  58 catlog () {
  59     f=$1
  60     shift
  61     if test -e $f; then
  62         x=/tmp/catlog
  63         > $x
  64         echo "(cat $f" >> $x
  65         cat $f >> $x
  66         for i in `seq 1 $#`; do
  67             eval y=\$$i
  68             sed -i -e "/$y/d" $x
  69         done
  70         echo "tac $f)" >> $x
  71         cat $x >> $log
  72     fi
  73 }
  74
  75 procs=`cat /proc/cpuinfo | grep "processor" | sort | tail -1 | cut -d ':' -f2 | sed -e 's/ //g'`
  76 procs=`echo "$procs + 1" | bc`