diff options
Diffstat (limited to 'src/benchmark-flags')
-rwxr-xr-x | src/benchmark-flags | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/src/benchmark-flags b/src/benchmark-flags deleted file mode 100755 index 1168ec0..0000000 --- a/src/benchmark-flags +++ /dev/null @@ -1,116 +0,0 @@ -#!/bin/sh -# See LICENSE file for copyright and license details. - -set -e - -export LD_LIBRARY_PATH=bin -if test "${TRIES}" = ""; then - TRIES=10 -fi - -# 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 -fmerge-all-constants -fmerge-constants -EOF -} - -cppflags="-DIGNORE_BEHEXING" -base_flags='-march=native -O0' -test_flags=" $(echo $(list_test_flags)) " - -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} $*" - make check - if test "${test_flag}" = ""; then - test_flag=zzz - fi - echo "$(bin/benchmark || echo error) ${test_flag}" >&3 - done - done - - exec 3<&- - - ! grep ^error .benchmarks >/dev/null 2>/dev/null - - good_flag="$(median < .benchmarks | sort -n | cut -d ' ' -f 2 | sed 1q)" - if 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 "${base_flags}" - exec 4<&- - exit 0 - fi - else - echo "${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. -# -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 - |