1 #!/usr/local/bin/perl 2 # ******************************************************************************* 3 # * Copyright (C) 2002-2007 International Business Machines Corporation and * 4 # * others. All Rights Reserved. * 5 # ******************************************************************************* 6 7 use strict; 8 9 # Assume we are running within the icu4j root directory 10 use lib 'src/com/ibm/icu/dev/test/perf'; 11 use Dataset; 12 13 #--------------------------------------------------------------------- 14 # Test class 15 my $TESTCLASS = 'com.ibm.icu.dev.test.perf.NormalizerPerformanceTest'; 16 17 # Methods to be tested. Each pair represents a test method and 18 # a baseline method which is used for comparison. 19 my @METHODS = ( 20 ['TestJDK_NFD_NFC_Text', 'TestICU_NFD_NFC_Text'], 21 ['TestJDK_NFC_NFC_Text', 'TestICU_NFC_NFC_Text'], 22 # ['TestJDK_NFC_NFD_Text', 'TestICU_NFC_NFD_Text'], 23 ['TestJDK_NFC_Orig_Text', 'TestICU_NFC_Orig_Text'], 24 ['TestJDK_NFD_NFC_Text', 'TestICU_NFD_NFC_Text'], 25 ['TestJDK_NFD_NFD_Text', 'TestICU_NFD_NFD_Text'], 26 ['TestJDK_NFD_Orig_Text', 'TestICU_NFD_Orig_Text'], 27 ); 28 29 # Patterns which define the set of characters used for testing. 30 31 my $SOURCEDIR ="src/com/ibm/icu/dev/test/perf/data/collation/"; 32 33 my @OPTIONS = ( 34 # src text src encoding mode 35 [ "TestNames_SerbianSH.txt", "UTF-8", "b"], 36 # [ "arabic.txt", "UTF-8", "b"], 37 # [ "french.txt", "UTF-8", "b"], 38 # [ "greek.txt", "UTF-8", "b"], 39 # [ "hebrew.txt", "UTF-8", "b"], 40 # [ "hindi.txt" , "UTF-8", "b"], 41 # [ "japanese.txt", "UTF-8", "b"], 42 # [ "korean.txt", "UTF-8", "b"], 43 # [ "s-chinese.txt", "UTF-8", "b"], 44 # [ "french.txt", "UTF-8", "b"], 45 # [ "greek.txt", "UTF-8", "b"], 46 # [ "hebrew.txt", "UTF-8", "b"], 47 # [ "hindi.txt" , "UTF-8", "b"], 48 # [ "japanese.txt", "UTF-8", "b"], 49 # [ "korean.txt", "UTF-8", "b"], 50 # [ "s-chinese.txt", "UTF-8", "b"], 51 # [ "arabic.html", "UTF-8", "b"], 52 # [ "czech.html", "UTF-8", "b"], 53 # [ "danish.html", "UTF-8", "b"], 54 # [ "english.html", "UTF-8", "b"], 55 # [ "esperanto.html", "UTF-8", "b"], 56 # [ "french.html", "UTF-8", "b"], 57 # [ "georgian.html", "UTF-8", "b"], 58 # [ "german.html", "UTF-8", "b"], 59 # [ "greek.html", "UTF-8", "b"], 60 # [ "hebrew.html", "UTF-8", "b"], 61 # [ "hindi.html", "UTF-8", "b"], 62 # [ "icelandic.html", "UTF-8", "b"], 63 # [ "interlingua.html", "UTF-8", "b"], 64 # [ "italian.html", "UTF-8", "b"], 65 # [ "japanese.html", "UTF-8", "b"], 66 # [ "korean.html", "UTF-8", "b"], 67 # [ "lithuanian.html", "UTF-8", "b"], 68 # [ "maltese.html", "UTF-8", "b"], 69 # [ "persian.html", "UTF-8", "b"], 70 # [ "polish.html", "UTF-8", "b"], 71 # [ "portuguese.html", "UTF-8", "b"], 72 # [ "romanian.html", "UTF-8", "b"], 73 # [ "russian.html", "UTF-8", "b"], 74 # [ "s-chinese.html", "UTF-8", "b"], 75 # [ "spanish.html", "UTF-8", "b"], 76 # [ "swedish.html", "UTF-8", "b"], 77 # [ "t-chinese.html", "UTF-8", "b"], 78 # [ "welsh.html", "UTF-8", "b"], 79 [ "TestNames_Asian.txt", "UTF-8", "l"], 80 [ "TestNames_Chinese.txt", "UTF-8", "l"], 81 [ "TestNames_Japanese.txt", "UTF-8", "l"], 82 [ "TestNames_Japanese_h.txt", "UTF-8", "l"], 83 [ "TestNames_Japanese_k.txt", "UTF-8", "l"], 84 [ "TestNames_Korean.txt", "UTF-8", "l"], 85 [ "TestNames_Latin.txt", "UTF-8", "l"], 86 [ "TestNames_SerbianSH.txt", "UTF-8", "l"], 87 [ "TestNames_SerbianSR.txt", "UTF-8", "l"], 88 [ "TestNames_Thai.txt", "UTF-8", "l"], 89 [ "Testnames_Russian.txt", "UTF-8", "l"], 90 ); 91 92 my $CALIBRATE = 2; # duration in seconds for initial calibration 93 my $DURATION = 10; # duration in seconds for each pass 94 my $NUMPASSES = 4; # number of passes. If > 1 then the first pass 95 # is discarded as a JIT warm-up pass. 96 97 my $TABLEATTR = 'BORDER="1" CELLPADDING="4" CELLSPACING="0"'; 98 99 my $PLUS_MINUS = "±"; 100 101 if ($NUMPASSES < 3) { 102 die "Need at least 3 passes. One is discarded (JIT warmup) and need two to have 1 degree of freedom (t distribution)."; 103 } 104 105 my $OUT; # see out() 106 107 main(); 108 109 #--------------------------------------------------------------------- 110 # ... 111 sub main { 112 my $date = localtime; 113 my $title = "ICU4J Performance Test $date"; 114 115 my $html = $date; 116 $html =~ s/://g; # ':' illegal 117 $html =~ s/\s*\d+$//; # delete year 118 $html =~ s/^\w+\s*//; # delete dow 119 $html = "perf $html.html"; 120 121 open(HTML,">$html") or die "Can't write to $html: $!"; 122 123 print HTML <<EOF; 124 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" 125 "http://www.w3.org/TR/html4/strict.dtd"> 126 <HTML> 127 <HEAD> 128 <TITLE>$title</TITLE> 129 </HEAD> 130 <BODY> 131 EOF 132 print HTML "<H1>$title</H1>\n"; 133 134 print HTML "<H2>$TESTCLASS</H2>\n"; 135 136 my $raw = ""; 137 138 for my $methodPair (@METHODS) { 139 140 my $testMethod = $methodPair->[0]; 141 my $baselineMethod = $methodPair->[1]; 142 143 print HTML "<P><TABLE $TABLEATTR><TR><TD>\n"; 144 print HTML "<P><B>$testMethod vs. $baselineMethod</B></P>\n"; 145 146 print HTML "<P><TABLE $TABLEATTR BGCOLOR=\"#CCFFFF\">\n"; 147 print HTML "<TR><TD>Options</TD><TD>$testMethod</TD>"; 148 print HTML "<TD>$baselineMethod</TD><TD>Ratio</TD></TR>\n"; 149 150 $OUT = ''; 151 152 for my $pat (@OPTIONS) { 153 print HTML "<TR><TD>@$pat[0], @$pat[2]</TD>\n"; 154 155 out("<P><TABLE $TABLEATTR WIDTH=\"100%\">"); 156 157 # measure the test method 158 out("<TR><TD>"); 159 print "\n$testMethod [@$pat]\n"; 160 my $t = measure2($testMethod, $pat, -$DURATION); 161 out("</TD></TR>"); 162 print HTML "<TD>", formatSeconds(4, $t->getMean(), $t->getError); 163 print HTML "/event</TD>\n"; 164 165 # measure baseline method 166 out("<TR><TD>"); 167 print "\n$baselineMethod [@$pat]\n"; 168 my $b = measure2($baselineMethod, $pat, -$DURATION); 169 out("</TD></TR>"); 170 print HTML "<TD>", formatSeconds(4, $b->getMean(), $t->getError); 171 print HTML "/event</TD>\n"; 172 173 out("</TABLE></P>"); 174 175 # output ratio 176 my $r = $t->divide($b); 177 my $mean = $r->getMean() - 1; 178 my $color = $mean < 0 ? "RED" : "BLACK"; 179 print HTML "<TD><B><FONT COLOR=\"$color\">", formatPercent(3, $mean, $r->getError); 180 print HTML "</FONT></B></TD></TR>\n"; 181 } 182 183 print HTML "</TABLE></P>\n"; 184 185 print HTML "<P>Raw data:</P>\n"; 186 print HTML $OUT; 187 print HTML "</TABLE></P>\n"; 188 } 189 190 print HTML <<EOF; 191 </BODY> 192 </HTML> 193 EOF 194 close(HTML) or die "Can't close $html: $!"; 195 } 196 197 #--------------------------------------------------------------------- 198 # Append text to the global variable $OUT 199 sub out { 200 $OUT .= join('', @_); 201 } 202 203 #--------------------------------------------------------------------- 204 # Append text to the global variable $OUT 205 sub outln { 206 $OUT .= join('', @_) . "\n"; 207 } 208 209 #--------------------------------------------------------------------- 210 # Measure a given test method with a give test pattern using the 211 # global run parameters. 212 # 213 # @param the method to run 214 # @param the pattern defining characters to test 215 # @param if >0 then the number of iterations per pass. If <0 then 216 # (negative of) the number of seconds per pass. 217 # 218 # @return a Dataset object, scaled by iterations per pass and 219 # events per iteration, to give time per event 220 # 221 sub measure2 { 222 my @data = measure1(@_); 223 my $iterPerPass = shift(@data); 224 my $eventPerIter = shift(@data); 225 226 shift(@data) if (@data > 1); # discard first run 227 228 my $ds = Dataset->new(@data); 229 $ds->setScale(1.0e-3 / ($iterPerPass * $eventPerIter)); 230 $ds; 231 } 232 233 #--------------------------------------------------------------------- 234 # Measure a given test method with a give test pattern using the 235 # global run parameters. 236 # 237 # @param the method to run 238 # @param the pattern defining characters to test 239 # @param if >0 then the number of iterations per pass. If <0 then 240 # (negative of) the number of seconds per pass. 241 # 242 # @return array of: 243 # [0] iterations per pass 244 # [1] events per iteration 245 # [2..] ms reported for each pass, in order 246 # 247 sub measure1 { 248 my $method = shift; 249 my $pat = shift; 250 my $iterCount = shift; # actually might be -seconds/pass 251 252 out("<P>Measuring $method for input file @$pat[0] in @$pat[2] , "); 253 if ($iterCount > 0) { 254 out("$iterCount iterations/pass, $NUMPASSES passes</P>\n"); 255 } else { 256 out(-$iterCount, " seconds/pass, $NUMPASSES passes</P>\n"); 257 } 258 259 # is $iterCount actually -seconds/pass? 260 if ($iterCount < 0) { 261 262 # calibrate: estimate ms/iteration 263 print "Calibrating..."; 264 my @t = callJava($method, $pat, -$CALIBRATE, 1); 265 print "done.\n"; 266 267 my @data = split(/\s+/, $t[0]->[2]); 268 $data[0] *= 1.0e+3; 269 270 my $timePerIter = 1.0e-3 * $data[0] / $data[1]; 271 272 # determine iterations/pass 273 $iterCount = int(-$iterCount / $timePerIter + 0.5); 274 275 out("<P>Calibration pass ($CALIBRATE sec): "); 276 out("$data[0] ms, "); 277 out("$data[1] iterations = "); 278 out(formatSeconds(4, $timePerIter), "/iteration<BR>\n"); 279 } 280 281 # run passes 282 print "Measuring $iterCount iterations x $NUMPASSES passes..."; 283 my @t = callJava($method, $pat, $iterCount, $NUMPASSES); 284 print "done.\n"; 285 my @ms = (); 286 my @b; # scratch 287 for my $a (@t) { 288 # $a->[0]: method name, corresponds to $method 289 # $a->[1]: 'begin' data, == $iterCount 290 # $a->[2]: 'end' data, of the form <ms> <loops> <eventsPerIter> 291 # $a->[3...]: gc messages from JVM during pass 292 @b = split(/\s+/, $a->[2]); 293 push(@ms, $b[0] * 1.0e+3); 294 } 295 my $eventsPerIter = $b[2]; 296 297 out("Iterations per pass: $iterCount<BR>\n"); 298 out("Events per iteration: $eventsPerIter<BR>\n"); 299 300 my @ms_str = @ms; 301 $ms_str[0] .= " (discarded)" if (@ms_str > 1); 302 out("Raw times (ms/pass): ", join(", ", @ms_str), "<BR>\n"); 303 304 ($iterCount, $eventsPerIter, @ms); 305 } 306 307 #--------------------------------------------------------------------- 308 # Invoke java to run $TESTCLASS, passing it the given parameters. 309 # 310 # @param the method to run 311 # @param the number of iterations, or if negative, the duration 312 # in seconds. If more than on pass is desired, pass in 313 # a string, e.g., "100 100 100". 314 # @param the pattern defining characters to test 315 # 316 # @return an array of results. Each result is an array REF 317 # describing one pass. The array REF contains: 318 # ->[0]: The method name as reported 319 # ->[1]: The params on the '= <meth> begin ...' line 320 # ->[2]: The params on the '= <meth> end ...' line 321 # ->[3..]: GC messages from the JVM, if any 322 # 323 sub callJava { 324 my $method = shift; 325 my $pat = shift; 326 my $n = shift; 327 my $passes = shift; 328 329 my $fileName = $SOURCEDIR . @$pat[0] ; 330 my $n = ($n < 0) ? "-t ".(-$n) : "-i ".$n; 331 332 my $cmd = "java -classpath classes $TESTCLASS $method $n -p $passes -f $fileName -e @$pat[1] -@$pat[2]"; 333 print "[$cmd]\n"; # for debugging 334 open(PIPE, "$cmd|") or die "Can't run \"$cmd\""; 335 my @out; 336 while (<PIPE>) { 337 push(@out, $_); 338 } 339 close(PIPE) or die "Java failed: \"$cmd\""; 340 341 @out = grep(!/^\#/, @out); # filter out comments 342 343 #print "[", join("\n", @out), "]\n"; 344 345 my @results; 346 my $method = ''; 347 my $data = []; 348 foreach (@out) { 349 next unless (/\S/); 350 351 if (/^=\s*(\w+)\s*(\w+)\s*(.*)/) { 352 my ($m, $state, $d) = ($1, $2, $3); 353 #print "$_ => [[$m $state $data]]\n"; 354 if ($state eq 'begin') { 355 die "$method was begun but not finished" if ($method); 356 $method = $m; 357 push(@$data, $d); 358 push(@$data, ''); # placeholder for end data 359 } elsif ($state eq 'end') { 360 if ($m ne $method) { 361 die "$method end does not match: $_"; 362 } 363 $data->[1] = $d; # insert end data at [1] 364 #print "#$method:", join(";",@$data), "\n"; 365 unshift(@$data, $method); # add method to start 366 367 push(@results, $data); 368 $method = ''; 369 $data = []; 370 } else { 371 die "Can't parse: $_"; 372 } 373 } 374 375 elsif (/^\[/) { 376 if ($method) { 377 push(@$data, $_); 378 } else { 379 # ignore extraneous GC notices 380 } 381 } 382 383 else { 384 die "Can't parse: $_"; 385 } 386 } 387 388 die "$method was begun but not finished" if ($method); 389 390 @results; 391 } 392 393 #|#--------------------------------------------------------------------- 394 #|# Format a confidence interval, as given by a Dataset. Output is as 395 #|# as follows: 396 #|# 241.23 - 241.98 => 241.5 +/- 0.3 397 #|# 241.2 - 243.8 => 242 +/- 1 398 #|# 211.0 - 241.0 => 226 +/- 15 or? 230 +/- 20 399 #|# 220.3 - 234.3 => 227 +/- 7 400 #|# 220.3 - 300.3 => 260 +/- 40 401 #|# 220.3 - 1000 => 610 +/- 390 or? 600 +/- 400 402 #|# 0.022 - 0.024 => 0.023 +/- 0.001 403 #|# 0.022 - 0.032 => 0.027 +/- 0.005 404 #|# 0.022 - 1.000 => 0.5 +/- 0.5 405 #|# In other words, take one significant digit of the error value and 406 #|# display the mean to the same precision. 407 #|sub formatDataset { 408 #| my $ds = shift; 409 #| my $lower = $ds->getMean() - $ds->getError(); 410 #| my $upper = $ds->getMean() + $ds->getError(); 411 #| my $scale = 0; 412 #| # Find how many initial digits are the same 413 #| while ($lower < 1 || 414 #| int($lower) == int($upper)) { 415 #| $lower *= 10; 416 #| $upper *= 10; 417 #| $scale++; 418 #| } 419 #| while ($lower >= 10 && 420 #| int($lower) == int($upper)) { 421 #| $lower /= 10; 422 #| $upper /= 10; 423 #| $scale--; 424 #| } 425 #|} 426 427 #--------------------------------------------------------------------- 428 # Format a number, optionally with a +/- delta, to n significant 429 # digits. 430 # 431 # @param significant digit, a value >= 1 432 # @param multiplier 433 # @param time in seconds to be formatted 434 # @optional delta in seconds 435 # 436 # @return string of the form "23" or "23 +/- 10". 437 # 438 sub formatNumber { 439 my $sigdig = shift; 440 my $mult = shift; 441 my $a = shift; 442 my $delta = shift; # may be undef 443 444 my $result = formatSigDig($sigdig, $a*$mult); 445 if (defined($delta)) { 446 my $d = formatSigDig($sigdig, $delta*$mult); 447 # restrict PRECISION of delta to that of main number 448 if ($result =~ /\.(\d+)/) { 449 # TODO make this work for values with all significant 450 # digits to the left of the decimal, e.g., 1234000. 451 452 # TODO the other thing wrong with this is that it 453 # isn't rounding the $delta properly. Have to put 454 # this logic into formatSigDig(). 455 my $x = length($1); 456 $d =~ s/\.(\d{$x})\d+/.$1/; 457 } 458 $result .= " $PLUS_MINUS " . $d; 459 } 460 $result; 461 } 462 463 #--------------------------------------------------------------------- 464 # Format a time, optionally with a +/- delta, to n significant 465 # digits. 466 # 467 # @param significant digit, a value >= 1 468 # @param time in seconds to be formatted 469 # @optional delta in seconds 470 # 471 # @return string of the form "23 ms" or "23 +/- 10 ms". 472 # 473 sub formatSeconds { 474 my $sigdig = shift; 475 my $a = shift; 476 my $delta = shift; # may be undef 477 478 my @MULT = (1 , 1e3, 1e6, 1e9); 479 my @SUFF = ('s' , 'ms', 'us', 'ns'); 480 481 # Determine our scale 482 my $i = 0; 483 ++$i while ($a*$MULT[$i] < 1 && $i < @MULT); 484 485 formatNumber($sigdig, $MULT[$i], $a, $delta) . ' ' . $SUFF[$i]; 486 } 487 488 #--------------------------------------------------------------------- 489 # Format a percentage, optionally with a +/- delta, to n significant 490 # digits. 491 # 492 # @param significant digit, a value >= 1 493 # @param value to be formatted, as a fraction, e.g. 0.5 for 50% 494 # @optional delta, as a fraction 495 # 496 # @return string of the form "23 %" or "23 +/- 10 %". 497 # 498 sub formatPercent { 499 my $sigdig = shift; 500 my $a = shift; 501 my $delta = shift; # may be undef 502 503 formatNumber($sigdig, 100, $a, $delta) . ' %'; 504 } 505 506 #--------------------------------------------------------------------- 507 # Format a number to n significant digits without using exponential 508 # notation. 509 # 510 # @param significant digit, a value >= 1 511 # @param number to be formatted 512 # 513 # @return string of the form "1234" "12.34" or "0.001234". If 514 # number was negative, prefixed by '-'. 515 # 516 sub formatSigDig { 517 my $n = shift() - 1; 518 my $a = shift; 519 520 local $_ = sprintf("%.${n}e", $a); 521 my $sign = (s/^-//) ? '-' : ''; 522 523 my $a_e; 524 my $result; 525 if (/^(\d)\.(\d+)e([-+]\d+)$/) { 526 my ($d, $dn, $e) = ($1, $2, $3); 527 $a_e = $e; 528 $d .= $dn; 529 $e++; 530 $d .= '0' while ($e > length($d)); 531 while ($e < 1) { 532 $e++; 533 $d = '0' . $d; 534 } 535 if ($e == length($d)) { 536 $result = $sign . $d; 537 } else { 538 $result = $sign . substr($d, 0, $e) . '.' . substr($d, $e); 539 } 540 } else { 541 die "Can't parse $_"; 542 } 543 $result; 544 } 545 546 #eof 547
