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Side by Side Diff: compiler/scripts/analyzer_compare.sh

Issue 10091038: Revert "Renamed the 'dartc' launch script to 'dart_analyzer' and adds it to dart-sdk" (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 8 months ago
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1 #!/bin/bash
2 #
3 # Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
4 # for details. All rights reserved. Use of this source code is governed by a
5 # BSD-style license that can be found in the LICENSE file.
6
7 # Compare the current working copy of the repository to either a clean copy
8 # or the specified revision.
9 # Along with the files created by compiler_metrics.sh, creates
10 # compiler_compare[_stats_[12]].log in the working direcetory and a
11 # out_compile_samples/ directory at the root of the repository,
12 # which are left around for later examination.
13 # These files will be destroyed on script re-run.
14
15 APP=""
16 REV=""
17 ONE_DELTA=""
18 BASE_PATH=$(pwd)
19 SCRIPT_PATH=$(dirname $0)
20 SCRIPT_PATH=$(cd $SCRIPT_PATH; pwd)
21 RUNS=10
22
23 function printHelp() {
24 exitValue=${1:1}
25 echo "Compare current changes as they relate to performance with another SVN r evision"
26 echo ""
27 echo " Usage:"
28 echo " -a=, --app= The dart app file to test (required)."
29 echo " -d=, --one-delta= The filename, relative to app, to touch in order t o trigger a one-delta compile."
30 echo " -r=, --revision= The compiler revision to compare against (default to current repository revision)."
31 echo " --runs= Number of runs to test with, default $RUNS"
32 echo " --stats Non-destructive display of previous stats"
33 echo " -h, --help What you see is what you get."
34 exit $exitValue
35 }
36
37 function failTest() {
38 if [ ! $1 -eq 0 ]; then
39 echo $2
40 exit $1
41 fi
42 }
43
44 if [ $# -eq 0 ]; then
45 printHelp;
46 fi
47
48 for i in $*
49 do
50 case $i in
51 --one-delta=*|-d=*)
52 ONE_DELTA=${i#*=}
53 COMPARE_OPTIONS+="--one-delta=$ONE_DELTA ";;
54 --app=*|-a=*)
55 APP=${i#*=}
56 APP=$( cd "$( dirname "$APP" )" && pwd )/$( basename "$APP");;
57 --revision=*|-r=*)
58 REV=${i#*=};;
59 --help|-h)
60 printHelp 0;;
61 --runs=*)
62 RUNS=${i#*=};;
63 --stats)
64 calcStats
65 exit 0;;
66 *)
67 echo "Invalid parameter: $i"
68 printhelp 1;;
69 esac
70 done
71
72 COMPARE_OPTIONS+="-r=$RUNS "
73
74 if [ "" = "$APP" ] || [ ! -r $APP ]; then
75 echo "Required --app"
76 printHelp
77 fi
78
79 RESPONSE[0]="Performance: Better"
80 RESPONSE[1]="Performance: No Change"
81 RESPONSE[2]="Performance: Worse"
82
83 # Passed: MAX deviation, Changed Amount
84 # Returns: Index of RESPONSE
85 function responseValue() {
86 ABS=$2
87 (( ABS = ABS < 0 ? ABS * -1 : ABS ))
88 if [ $ABS -gt $1 ]; then
89 if [ $2 -lt 0 ]; then
90 return 2
91 else
92 return 0
93 fi
94 fi
95 return 1
96 }
97
98 function calcStat() {
99 # Assume we're always making improvments, S2 will be presented as a larger val ue
100 LINEMATCH_DEV="s/${1}: .*stdev: \([0-9]*\).*/\1/p"
101 LINEMATCH_VALUE="s/${1}: average: \([0-9]*\).*/\1/p"
102 S1_DEV=$(sed -n -e "$LINEMATCH_DEV" $STAT1)
103 if [ "" != "$S1_DEV" ]; then
104 S2_DEV=$(sed -n -e "$LINEMATCH_DEV" $STAT2)
105 DEV_MAX=$(( S1_DEV < S2_DEV ? S2_DEV : S1_DEV ))
106 S1_VALUE=$(sed -n -e "$LINEMATCH_VALUE" $STAT1)
107 S2_VALUE=$(sed -n -e "$LINEMATCH_VALUE" $STAT2)
108 DIFF=$(( S2_VALUE - S1_VALUE ))
109 DIFF_PERCENT=`echo "$DIFF*100/$S2_VALUE" | bc -l | sed 's/\([0-9]*\.[0-9][0- 9]\)[0-9]*/\1/'`
110 responseValue $DEV_MAX $DIFF
111 echo "$1: Before/After-ms(${S2_VALUE} / ${S1_VALUE}), stdev(${S2_DEV} / ${S1 _DEV}), Difference: ${DIFF}ms (${DIFF_PERCENT}%), " ${RESPONSE[$?]}
112 fi
113 return 0
114 }
115
116 function calcStats() {
117 calcStat full-compile
118 calcStat zero-delta-compile
119 calcStat one-delta-compile
120 }
121
122 ROOT_OF_REPO=$BASE_PATH
123 TEST_DIR=$BASE_PATH
124 while true; do
125 ls -d .gclient > /dev/null 2>&1
126 if [ $? -eq 0 ]; then
127 echo "Root found: $ROOT_OF_REPO"
128 break;
129 fi
130 if [ "$TEST_DIR" = "/" ]; then
131 failTest 1 "Hit the root directory; no .git/ found?!"
132 fi
133 ROOT_OF_REPO=$TEST_DIR
134 cd ..
135 TEST_DIR=$(pwd)
136 done
137
138 # Make a temporary directory in the current path and checkout the revision
139 TMP_DIR=$ROOT_OF_REPO/compiler/tmp_performance_comparisons
140 mkdir -p $TMP_DIR
141
142 LOG_FILE=$TMP_DIR/compiler_compare.log
143 STAT1=$TMP_DIR/compiler_compare_stats_1.log
144 STAT2=$TMP_DIR/compiler_compare_stats_2.log
145 COMPARE_OPTIONS+="--output=$TMP_DIR "
146
147 # zero out files
148 echo "" > $LOG_FILE
149 echo "" > $STAT1
150 echo "" > $STAT2
151
152 # Do the first test
153 echo "Compiling dartc with your changes (mode=release)"
154 cd $ROOT_OF_REPO/compiler
155 gclient runhooks >> $LOG_FILE 2>&1
156 ../tools/build.py --mode release >> $LOG_FILE 2>&1
157 failTest $? "Error compiling your location changes, check $LOG_FILE"
158
159 echo "Running first test against current working copy"
160 echo $SCRIPT_PATH/compiler_metrics.sh --stats-prefix=yours --dartc=./out/Release _ia32/dartc $COMPARE_OPTIONS --app=$APP >> $LOG_FILE
161 $SCRIPT_PATH/compiler_metrics.sh --stats-prefix=yours --dartc=./out/Release_ia32 /dartc $COMPARE_OPTIONS --app=$APP > $STAT1
162 failTest $? "Error collecting statistics from working copy"
163
164 # switch to tmp for remainder of building
165 cd $TMP_DIR
166
167 gclient config https://dart.googlecode.com/svn/branches/bleeding_edge/deps/compi ler.deps >> $LOG_FILE 2>&1
168 failTest $? "Error calling gclient config"
169
170 GCLIENT_SYNC="-t "
171 if [ "" != "$REV" ]; then
172 GCLIENT_SYNC+="--revision=$REV"
173 fi
174
175 echo "Checking out clean version of $REV; will take some time. Look at $LOG_FILE for progress"
176 gclient sync $GCLIENT_SYNC >> $LOG_FILE 2>&1
177 failTest $? "Error calling gclient sync"
178
179 echo "Compiler clean version; may take some time"
180 cd compiler
181 gclient runhooks >> $LOG_FILE 2>&1
182 ../tools/build.py --mode release >> $LOG_FILE 2>&1
183 failTest $? "Error compiling comparison revision"
184
185 # Do the second test
186 echo "Running second test against clean copy"
187 echo $SCRIPT_PATH/compiler_metrics.sh --stats-prefix=clean --dartc=./out/Release _ia32/dartc $COMPARE_OPTIONS --app=$APP >> $LOG_FILE
188 $SCRIPT_PATH/compiler_metrics.sh --stats-prefix=clean --dartc=./out/Release_ia32 /dartc $COMPARE_OPTIONS --app=$APP > $STAT2
189 failTest $? "Error collecting statistics from clean copy"
190
191 calcStats
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