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-rwxr-xr-xsrc/benchmark-flags116
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
-