+++ /dev/null
-#!/bin/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=src/.libs \
-# 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=$((4 * 1024 * 1024 * 1024)) \
-# CEPH_ERASURE_CODE_BENCHMARK=src/ceph_erasure_code_benchmark \
-# PLUGIN_DIRECTORY=src/.libs \
-# qa/workunits/erasure-code/bench.sh fplot jerasure |
-# tee qa/workunits/erasure-code/bench.js
-#
-set -e
-
-export PATH=/sbin:$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"
- 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=../../../src/.libs \
-# ./bench.sh
-# "
-# End:
Code Review / stor4nfv.git / blobdiff