diff options
| -rw-r--r-- | Makefile | 56 | ||||
| -rwxr-xr-x | src/benchmark-flags | 124 | ||||
| -rw-r--r-- | src/benchmark.c | 2 |
3 files changed, 127 insertions, 55 deletions
@@ -24,61 +24,7 @@ WARN = -Wall -Wextra -pedantic -Wdouble-promotion -Wformat=2 -Winit-self -Wmissi LDOPTIMISE = # -flto -flto-compression-level -flto-partition={1to1,balanced,mix,none} -flto-report -flto-report-wpa -fwpa -COPTIMISE = -march=native -O0 \ - -fdata-sections -fcrossjumping -fexpensive-optimizations \ - -ffunction-sections -fkeep-inline-functions -fomit-frame-pointer \ - -freorder-blocks-and-partition -ftree-ter -falign-functions=0 - -# -fira-algorithm=priority -fira-algorithm=CB -# -fira-region=all -fira-region=mixed -fira-region=one -# -fmerge-all-constants -fmerge-constants -# -fprofile-generate - -# -faggressive-loop-optimizations -fauto-inc-dec -fbranch-target-load-optimize -# -fbranch-target-load-optimize2 -fbtr-bb-exclusive -fcaller-saves -fcheck-data-deps -# -fcombine-stack-adjustments -fconserve-stack -fcompare-elim -fcprop-registers -# -fcse-follow-jumps -fcse-skip-blocks -fcx-fortran-rules -fcx-limited-range -fdce -# -fdelete-null-pointer-checks -fdevirtualize -fdevirtualize-speculatively -fdse -# -fearly-inlining -fipa-sra -ffat-lto-objects -fbranch-probabilities -# -fassociative-math -fforward-propagate -ffunction-sections -fforward-propagate -# -ffast-math -ffinite-math-only -ffloat-store -fgcse -fgcse-after-reload -fgcse-las -# -fgcse-lm -fgraphite-identity -fgcse-sm -fhoist-adjacent-loads -fif-conversion -# -fif-conversion2 -findirect-inlining -finline-functions -finline-functions-called-once -# -finline-small-functions -fipa-cp -fipa-cp-clone -fipa-pta -fipa-profile -# -fipa-pure-const -fipa-reference -fira-hoist-pressure -fira-loop-pressure -# -fno-ira-share-save-slots -fno-ira-share-spill-slots -fisolate-erroneous-paths-dereference -# -fisolate-erroneous-paths-attribute -fivopts -fkeep-static-consts -flive-range-shrinkage -# -floop-block -floop-interchange -floop-strip-mine -floop-nest-optimize -# -floop-parallelize-all -fmodulo-sched -fmodulo-sched-allow-regmoves -fmove-loop-invariants -# -fno-branch-count-reg -fno-defer-pop -fno-function-cse -fno-guess-branch-probability -# -fno-defer-pop -fno-function-cse -fno-guess-branch-probability -fno-inline -fno-math-errno -# -fno-peephole -fno-peephole2 -fno-sched-interblock -fno-sched-spec -fno-signed-zeros -# -fno-toplevel-reorder -fno-trapping-math -fno-zero-initialized-in-bss -# -foptimize-sibling-calls -fpartial-inlining -fpeel-loops -fpredictive-commoning -# -fprefetch-loop-arrays -fprofile-report -fprofile-use -fprofile-values -# -fprofile-reorder-functions -freciprocal-math -free -frename-registers -freorder-blocks -# -frerun-cse-after-loop -freschedule-modulo-scheduled-loops -frounding-math -# -fsched2-use-superblocks -fsched-pressure -fsched-spec-load -fsched-spec-load-dangerous -# -fsched-group-heuristic -fsched-critical-path-heuristic -fsched-spec-insn-heuristic -# -fsched-rank-heuristic -fsched-last-insn-heuristic -fsched-dep-count-heuristic -# -fselective-scheduling -fselective-scheduling2 -fsel-sched-pipelining -# -fsel-sched-pipelining-outer-loops -fshrink-wrap -fsignaling-nans -# -fsingle-precision-constant -fstrict-overflow -fthread-jumps -ftracer -ftree-bit-ccp -# -ftree-builtin-call-dce -ftree-ccp -ftree-ch -ftree-copyrename -ftree-dce -# -ftree-dominator-opts -ftree-dse -ftree-forwprop -ftree-fre -ftree-loop-if-convert -# -ftree-loop-if-convert-stores -ftree-loop-im -ftree-phiprop -ftree-loop-distribution -# -ftree-loop-distribute-patterns -ftree-loop-ivcanon -ftree-loop-linear -# -ftree-loop-optimize -ftree-loop-vectorize -ftree-pre -ftree-partial-pre -ftree-pta -# -ftree-reassoc -ftree-sink -ftree-slsr -ftree-sra -ftree-vectorize -ftree-vrp -# -funit-at-a-time -funroll-all-loops -funroll-loops -funsafe-loop-optimizations -# -funsafe-math-optimizations -funswitch-loops -fvariable-expansion-in-unroller -# -fvect-cost-model -fvpt -fweb -fprofile-correction -freorder-functions -# -fschedule-insns -fschedule-insns2 -fsplit-ivs-in-unroller -fsplit-wide-types -# -fstrict-aliasing -ftree-coalesce-vars -ftree-copy-prop -ftree-switch-conversion -# -ftree-switch-conversion -ftree-tail-merge -ftree-coalesce-inlined-vars -# -falign-jumps=0 -falign-labels=0 -falign-loops=0 -ftree-parallelize-loops=10 -# -fsched-stalled-insns-dep=0 -fsched-stalled-insns=0 - +COPTIMISE = -march=native -O2 FLAGS = -std=gnu99 $(WARN) diff --git a/src/benchmark-flags b/src/benchmark-flags new file mode 100755 index 0000000..4a9a31a --- /dev/null +++ b/src/benchmark-flags @@ -0,0 +1,124 @@ +#!/bin/sh +# libkeccak – Keccak-family hashing library +# +# Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) +# +# 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/>. + +set -e + +export LD_LIBRARY_PATH=bin +TRIES=10 + +# List all flags that affect the object files +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 -fira-algorithm=priority -fira-algorithm=CB +-fira-region=all -fira-region=mixed -fira-region=one -fmerge-all-constants +-fmerge-constants -fprofile-generate +EOF +} + +cppflags="-DIGNORE_BEHEXING" +base_flags='-march=native -O0' +test_flags=" $(echo $(list_test_flags)) " + +pass=1 +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) ${test_flags}" >&3 + done + done + + exec 3<&- + + ! grep ^error .benchmarks >/dev/null 2>/dev/null + + good_flag="$(sort < .benchmarks | cut -d ' ' -f 2 | sed 1q)" + if [ "${good_flag}" = zzz ]; then + if [ $pass = 1 ]; then + pass=2 + base_flags="$(echo "${base_flags}" | sed -e 's/ -O0//')" + test_flags="-O0 -O1 -O2 -O3 -Ofast -Os" + else + echo + echo + echo "Good flags:" + echo "${base_flags}" + exit 0 + fi + else + 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. +# -faggressive-loop-optimizations -fauto-inc-dec -fbranch-target-load-optimize +# -fbranch-target-load-optimize2 -fbtr-bb-exclusive -fcaller-saves -fcheck-data-deps +# -fcombine-stack-adjustments -fconserve-stack -fcompare-elim -fcprop-registers +# -fcse-follow-jumps -fcse-skip-blocks -fcx-fortran-rules -fcx-limited-range -fdce +# -fdelete-null-pointer-checks -fdevirtualize -fdevirtualize-speculatively -fdse +# -fearly-inlining -fipa-sra -ffat-lto-objects -fbranch-probabilities +# -fassociative-math -fforward-propagate -ffunction-sections -fforward-propagate +# -ffast-math -ffinite-math-only -ffloat-store -fgcse -fgcse-after-reload -fgcse-las +# -fgcse-lm -fgraphite-identity -fgcse-sm -fhoist-adjacent-loads -fif-conversion +# -fif-conversion2 -findirect-inlining -finline-functions -finline-functions-called-once +# -finline-small-functions -fipa-cp -fipa-cp-clone -fipa-pta -fipa-profile +# -fipa-pure-const -fipa-reference -fira-hoist-pressure -fira-loop-pressure +# -fno-ira-share-save-slots -fno-ira-share-spill-slots -fisolate-erroneous-paths-dereference +# -fisolate-erroneous-paths-attribute -fivopts -fkeep-static-consts -flive-range-shrinkage +# -floop-block -floop-interchange -floop-strip-mine -floop-nest-optimize +# -floop-parallelize-all -fmodulo-sched -fmodulo-sched-allow-regmoves -fmove-loop-invariants +# -fno-branch-count-reg -fno-defer-pop -fno-function-cse -fno-guess-branch-probability +# -fno-defer-pop -fno-function-cse -fno-guess-branch-probability -fno-inline -fno-math-errno +# -fno-peephole -fno-peephole2 -fno-sched-interblock -fno-sched-spec -fno-signed-zeros +# -fno-toplevel-reorder -fno-trapping-math -fno-zero-initialized-in-bss +# -foptimize-sibling-calls -fpartial-inlining -fpeel-loops -fpredictive-commoning +# -fprefetch-loop-arrays -fprofile-report -fprofile-use -fprofile-values +# -fprofile-reorder-functions -freciprocal-math -free -frename-registers -freorder-blocks +# -frerun-cse-after-loop -freschedule-modulo-scheduled-loops -frounding-math +# -fsched2-use-superblocks -fsched-pressure -fsched-spec-load -fsched-spec-load-dangerous +# -fsched-group-heuristic -fsched-critical-path-heuristic -fsched-spec-insn-heuristic +# -fsched-rank-heuristic -fsched-last-insn-heuristic -fsched-dep-count-heuristic +# -fselective-scheduling -fselective-scheduling2 -fsel-sched-pipelining +# -fsel-sched-pipelining-outer-loops -fshrink-wrap -fsignaling-nans +# -fsingle-precision-constant -fstrict-overflow -fthread-jumps -ftracer -ftree-bit-ccp +# -ftree-builtin-call-dce -ftree-ccp -ftree-ch -ftree-copyrename -ftree-dce +# -ftree-dominator-opts -ftree-dse -ftree-forwprop -ftree-fre -ftree-loop-if-convert +# -ftree-loop-if-convert-stores -ftree-loop-im -ftree-phiprop -ftree-loop-distribution +# -ftree-loop-distribute-patterns -ftree-loop-ivcanon -ftree-loop-linear +# -ftree-loop-optimize -ftree-loop-vectorize -ftree-pre -ftree-partial-pre -ftree-pta +# -ftree-reassoc -ftree-sink -ftree-slsr -ftree-sra -ftree-vectorize -ftree-vrp +# -funit-at-a-time -funroll-all-loops -funroll-loops -funsafe-loop-optimizations +# -funsafe-math-optimizations -funswitch-loops -fvariable-expansion-in-unroller +# -fvect-cost-model -fvpt -fweb -fprofile-correction -freorder-functions +# -fschedule-insns -fschedule-insns2 -fsplit-ivs-in-unroller -fsplit-wide-types +# -fstrict-aliasing -ftree-coalesce-vars -ftree-copy-prop -ftree-switch-conversion +# -ftree-switch-conversion -ftree-tail-merge -ftree-coalesce-inlined-vars +# -falign-jumps=0 -falign-labels=0 -falign-loops=0 -ftree-parallelize-loops=10 +# -fsched-stalled-insns-dep=0 -fsched-stalled-insns=0 + diff --git a/src/benchmark.c b/src/benchmark.c index 4090b68..c719720 100644 --- a/src/benchmark.c +++ b/src/benchmark.c @@ -72,7 +72,9 @@ int main(void) libkeccak_spec_t spec; libkeccak_state_t state; char hashsum[OUTPUT / 8]; +#ifndef IGNORE_BEHEXING char hexsum[OUTPUT / 8 * 2 + 1]; +#endif struct timespec start, end; long i, r; |