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Diffstat (limited to 'qa/workunits/erasure-code/bench.sh')
| -rwxr-xr-x | qa/workunits/erasure-code/bench.sh | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/qa/workunits/erasure-code/bench.sh b/qa/workunits/erasure-code/bench.sh new file mode 100755 index 000000000..8e288f053 --- /dev/null +++ b/qa/workunits/erasure-code/bench.sh @@ -0,0 +1,192 @@ +#!/usr/bin/env bash +# +# Copyright (C) 2015 Red Hat <contact@redhat.com> +# Copyright (C) 2013,2014 Cloudwatt <libre.licensing@cloudwatt.com> +# +# Author: Loic Dachary <loic@dachary.org> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU Library Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program 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 Library Public License for more details. +# +# Test that it works from sources with: +# +# CEPH_ERASURE_CODE_BENCHMARK=src/ceph_erasure_code_benchmark \ +# PLUGIN_DIRECTORY=build/lib \ +# qa/workunits/erasure-code/bench.sh fplot jerasure | +# tee qa/workunits/erasure-code/bench.js +# +# This should start immediately and display: +# +# ... +# [ '2/1', .48035538612887358583 ], +# [ '3/2', .21648470405675016626 ], +# etc. +# +# and complete within a few seconds. The result can then be displayed with: +# +# firefox qa/workunits/erasure-code/bench.html +# +# Once it is confirmed to work, it can be run with a more significant +# volume of data so that the measures are more reliable: +# +# TOTAL_SIZE=$((4 * 1024 * 1024 * 1024)) \ +# CEPH_ERASURE_CODE_BENCHMARK=src/ceph_erasure_code_benchmark \ +# PLUGIN_DIRECTORY=build/lib \ +# qa/workunits/erasure-code/bench.sh fplot jerasure | +# tee qa/workunits/erasure-code/bench.js +# +set -e + +export PATH=/sbin:$PATH + +: ${VERBOSE:=false} +: ${CEPH_ERASURE_CODE_BENCHMARK:=ceph_erasure_code_benchmark} +: ${PLUGIN_DIRECTORY:=/usr/lib/ceph/erasure-code} +: ${PLUGINS:=isa jerasure} +: ${TECHNIQUES:=vandermonde cauchy} +: ${TOTAL_SIZE:=$((1024 * 1024))} +: ${SIZE:=4096} +: ${PARAMETERS:=--parameter jerasure-per-chunk-alignment=true} + +function bench_header() { + echo -e "seconds\tKB\tplugin\tk\tm\twork.\titer.\tsize\teras.\tcommand." +} + +function bench() { + local plugin=$1 + shift + local k=$1 + shift + local m=$1 + shift + local workload=$1 + shift + local iterations=$1 + shift + local size=$1 + shift + local erasures=$1 + shift + command=$(echo $CEPH_ERASURE_CODE_BENCHMARK \ + --plugin $plugin \ + --workload $workload \ + --iterations $iterations \ + --size $size \ + --erasures $erasures \ + --parameter k=$k \ + --parameter m=$m \ + --erasure-code-dir $PLUGIN_DIRECTORY) + result=$($command "$@") + echo -e "$result\t$plugin\t$k\t$m\t$workload\t$iterations\t$size\t$erasures\t$command ""$@" +} + +function packetsize() { + local k=$1 + local w=$2 + local vector_wordsize=$3 + local size=$4 + + local p=$(( ($size / $k / $w / $vector_wordsize ) * $vector_wordsize)) + if [ $p -gt 3100 ] ; then + p=3100 + fi + echo $p +} + +function bench_run() { + local plugin=jerasure + local w=8 + local VECTOR_WORDSIZE=16 + local ks="2 3 4 6 10" + declare -A k2ms + k2ms[2]="1" + k2ms[3]="2" + k2ms[4]="2 3" + k2ms[6]="2 3 4" + k2ms[10]="3 4" + local isa2technique_vandermonde='reed_sol_van' + local isa2technique_cauchy='cauchy' + local jerasure2technique_vandermonde='reed_sol_van' + local jerasure2technique_cauchy='cauchy_good' + for technique in ${TECHNIQUES} ; do + for plugin in ${PLUGINS} ; do + eval technique_parameter=\$${plugin}2technique_${technique} + echo "serie encode_${technique}_${plugin}" + for k in $ks ; do + for m in ${k2ms[$k]} ; do + bench $plugin $k $m encode $(($TOTAL_SIZE / $SIZE)) $SIZE 0 \ + --parameter packetsize=$(packetsize $k $w $VECTOR_WORDSIZE $SIZE) \ + ${PARAMETERS} \ + --parameter technique=$technique_parameter + + done + done + done + done + for technique in ${TECHNIQUES} ; do + for plugin in ${PLUGINS} ; do + eval technique_parameter=\$${plugin}2technique_${technique} + echo "serie decode_${technique}_${plugin}" + for k in $ks ; do + for m in ${k2ms[$k]} ; do + echo + for erasures in $(seq 1 $m) ; do + bench $plugin $k $m decode $(($TOTAL_SIZE / $SIZE)) $SIZE $erasures \ + --parameter packetsize=$(packetsize $k $w $VECTOR_WORDSIZE $SIZE) \ + ${PARAMETERS} \ + --parameter technique=$technique_parameter + done + done + done + done + done +} + +function fplot() { + local serie + bench_run | while read seconds total plugin k m workload iteration size erasures rest ; do + if [ -z $seconds ] ; then + echo null, + elif [ $seconds = serie ] ; then + if [ "$serie" ] ; then + echo '];' + fi + local serie=`echo $total | sed 's/cauchy_\([0-9]\)/cauchy_good_\1/g'` + echo "var $serie = [" + else + local x + if [ $workload = encode ] ; then + x=$k/$m + else + x=$k/$m/$erasures + fi + echo "[ '$x', " $(echo "( $total / 1024 / 1024 ) / $seconds" | bc -ql) " ], " + fi + done + echo '];' +} + +function main() { + bench_header + bench_run +} + +if [ "$1" = fplot ] ; then + "$@" +else + main +fi +# Local Variables: +# compile-command: "\ +# CEPH_ERASURE_CODE_BENCHMARK=../../../src/ceph_erasure_code_benchmark \ +# PLUGIN_DIRECTORY=../../../build/lib \ +# ./bench.sh +# " +# End: |