diff options
Diffstat (limited to '')
| -rwxr-xr-x | src/benchmark-flags | 100 |
1 files changed, 42 insertions, 58 deletions
diff --git a/src/benchmark-flags b/src/benchmark-flags index 0143f40..1168ec0 100755 --- a/src/benchmark-flags +++ b/src/benchmark-flags @@ -1,32 +1,16 @@ #!/bin/sh -# libkeccak – Keccak-family hashing library -# -# Copyright © 2014, 2015, 2017 Mattias Andrée (maandree@kth.se) -# -# This library is free software: you can redistribute it and/or modify -# it under the terms of the GNU Affero General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU Affero General Public License for more details. -# -# You should have received a copy of the GNU Affero General Public License -# along with this library. If not, see <http://www.gnu.org/licenses/>. +# See LICENSE file for copyright and license details. set -e export LD_LIBRARY_PATH=bin -if [ "${TRIES}" = "" ]; then - TRIES=10 +if test "${TRIES}" = ""; then + TRIES=10 fi # List all flags that affect the object files -list_test_flags () -{ - cat <<EOF +list_test_flags() { + cat <<EOF -fdata-sections -fcrossjumping -fexpensive-optimizations -ffunction-sections -fkeep-inline-functions -fomit-frame-pointer -freorder-blocks-and-partition -ftree-ter -falign-functions=0 -fmerge-all-constants -fmerge-constants @@ -41,47 +25,47 @@ pass=1 exec 4>.benchmark.so.far while true; do - exec 3>.benchmarks - - for _try in $(seq ${TRIES}); do - for test_flag in "" ${test_flags}; do - flags="${test_flag} ${base_flags}" - make -B all COPTIMISE="${flags}" CPPFLAGS="${cppflags} $*" - make check - if [ "${test_flag}" = "" ]; then - test_flag=zzz - fi - echo "$(bin/benchmark || echo error) ${test_flag}" >&3 + exec 3>.benchmarks + + for _try in $(seq ${TRIES}); do + for test_flag in "" ${test_flags}; do + flags="${test_flag} ${base_flags}" + make -B all COPTIMISE="${flags}" CPPFLAGS="${cppflags} $*" + make check + if test "${test_flag}" = ""; then + test_flag=zzz + fi + echo "$(bin/benchmark || echo error) ${test_flag}" >&3 + done done - done - - exec 3<&- - - ! grep ^error .benchmarks >/dev/null 2>/dev/null - - good_flag="$(median < .benchmarks | sort -n | cut -d ' ' -f 2 | sed 1q)" - if [ "${good_flag}" = zzz ] || [ $pass = 2 ]; then - if [ $pass = 1 ]; then - pass=2 - base_flags="$(echo "${base_flags}" | sed -e 's/ -O0//')" - test_flags="-O0 -O1 -O2 -O3 -Ofast -Os" + + exec 3<&- + + ! grep ^error .benchmarks >/dev/null 2>/dev/null + + good_flag="$(median < .benchmarks | sort -n | cut -d ' ' -f 2 | sed 1q)" + if test "${good_flag}" = zzz || test $pass = 2; then + if test $pass = 1; then + pass=2 + base_flags="$(echo "${base_flags}" | sed -e 's/ -O0//')" + test_flags="-O0 -O1 -O2 -O3 -Ofast -Os" + else + if ! test "${good_flag}" = zzz; then + base_flags="${base_flags} ${good_flag}" + echo "${good_flag}" >&4 + fi + echo + echo + echo "Good flags:" + echo "${base_flags}" + exec 4<&- + exit 0 + fi else - if [ ! "${good_flag}" = zzz ]; then - base_flags="${base_flags} ${good_flag}" echo "${good_flag}" >&4 - fi - echo - echo - echo "Good flags:" - echo "${base_flags}" - exec 4<&- - exit 0 + base_flags="${base_flags} ${good_flag}" + test_flags="$(echo "${test_flags}" | sed -e "s/ ${good_flag} / /")" fi - else - echo "${good_flag}" >&4 - base_flags="${base_flags} ${good_flag}" - test_flags="$(echo "${test_flags}" | sed -e "s/ ${good_flag} / /")" - fi done # None of these GCC flags affect the object files. |