blob: e2bec8edd272ed69f46c8455cb3123e275eca44c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
#!/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:
|
