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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Wikispeech; |
| 4 | |
| 5 | /** |
| 6 | * @file |
| 7 | * @ingroup Extensions |
| 8 | * @license GPL-2.0-or-later |
| 9 | */ |
| 10 | |
| 11 | use EmptyBagOStuff; |
| 12 | use Maintenance; |
| 13 | use MediaWiki\Logger\LoggerFactory; |
| 14 | use MediaWiki\MediaWikiServices; |
| 15 | use Mediawiki\Title\Title; |
| 16 | use MediaWiki\Wikispeech\Segment\SegmentList; |
| 17 | use MediaWiki\Wikispeech\Segment\SegmentPageFactory; |
| 18 | use MWException; |
| 19 | use RequestContext; |
| 20 | use WANObjectCache; |
| 21 | |
| 22 | /** @var string MediaWiki installation path */ |
| 23 | $IP = getenv( 'MW_INSTALL_PATH' ); |
| 24 | if ( $IP === false ) { |
| 25 | $IP = __DIR__ . '/../../..'; |
| 26 | } |
| 27 | require_once "$IP/maintenance/Maintenance.php"; |
| 28 | |
| 29 | /** |
| 30 | * Maintenance script to evaluate interesting resource use metrics |
| 31 | * related to executing Wikispeech and Speechoid on a page. |
| 32 | * |
| 33 | * php extensions/Wikispeech/maintenance/benchmark.php -p Barack_Obama |
| 34 | * |
| 35 | * @since 0.1.8 |
| 36 | */ |
| 37 | class Benchmark extends Maintenance { |
| 38 | |
| 39 | /** @var VoiceHandler */ |
| 40 | private $voiceHandler; |
| 41 | |
| 42 | /** @var SegmentPageFactory */ |
| 43 | private $segmentPageFactory; |
| 44 | |
| 45 | /** @var SpeechoidConnector */ |
| 46 | private $speechoidConnector; |
| 47 | |
| 48 | /** @var bool Whether or not ctrl-c has been pressed. */ |
| 49 | private $caughtSigInt; |
| 50 | |
| 51 | /** @var SegmentList */ |
| 52 | private $segments; |
| 53 | |
| 54 | /** @var int */ |
| 55 | private $synthesizeResponseTimeoutSeconds; |
| 56 | |
| 57 | /** @var float|int */ |
| 58 | private $millisecondsSpentSegmenting; |
| 59 | |
| 60 | /** @var int */ |
| 61 | private $numberOfSuccessfullySynthesizedSegments; |
| 62 | |
| 63 | /** @var int|float */ |
| 64 | private $totalMillisecondsSpentSynthesizing; |
| 65 | |
| 66 | /** @var int */ |
| 67 | private $totalMillisecondsSynthesizedVoice; |
| 68 | |
| 69 | /** @var int */ |
| 70 | private $totalNumberOfTokensSynthesizedVoice; |
| 71 | |
| 72 | /** @var int */ |
| 73 | private $totalBytesSynthesizedVoice; |
| 74 | |
| 75 | /** @var int */ |
| 76 | private $totalNumberOfTokenCharactersSynthesizedVoice; |
| 77 | |
| 78 | /** @var string */ |
| 79 | private $language; |
| 80 | |
| 81 | /** @var string */ |
| 82 | private $voice; |
| 83 | |
| 84 | /** @var Title */ |
| 85 | private $title; |
| 86 | |
| 87 | /** |
| 88 | * Benchmark constructor. |
| 89 | * |
| 90 | * @since 0.1.8 |
| 91 | */ |
| 92 | public function __construct() { |
| 93 | parent::__construct(); |
| 94 | $this->requireExtension( 'Wikispeech' ); |
| 95 | $this->addDescription( 'Benchmark use of resources.' ); |
| 96 | $this->addOption( |
| 97 | 'language', |
| 98 | 'Synthesized language. If not set, page language is selected.', |
| 99 | false, |
| 100 | true, |
| 101 | 'l' |
| 102 | ); |
| 103 | $this->addOption( |
| 104 | 'voice', |
| 105 | 'Synthesized voice. If not set, default voice for language is selected.', |
| 106 | false, |
| 107 | true, |
| 108 | 'v' |
| 109 | ); |
| 110 | $this->addOption( |
| 111 | 'page', |
| 112 | 'Title of page to be segmented and synthesized.', |
| 113 | true, |
| 114 | true, |
| 115 | 'p' |
| 116 | ); |
| 117 | $this->addOption( |
| 118 | 'timeout', |
| 119 | 'Maximum number of seconds to await Speechoid synthesize HTTP response. Defaults to 240.', |
| 120 | false, |
| 121 | true, |
| 122 | 't' |
| 123 | ); |
| 124 | |
| 125 | $this->caughtSigInt = false; |
| 126 | declare( ticks = 1 ); |
| 127 | pcntl_async_signals( true ); |
| 128 | pcntl_signal( SIGINT, [ $this, 'signalHandler' ] ); |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * Clean ctrl-c |
| 133 | */ |
| 134 | public function signalHandler() { |
| 135 | $this->caughtSigInt = true; |
| 136 | } |
| 137 | |
| 138 | private function executeSetUp() { |
| 139 | // Non PHP core classes aren't available prior to this point, |
| 140 | // i.e. we can't initialize the fields in the constructor, |
| 141 | // and we have to be lenient for mocked instances set by tests. |
| 142 | |
| 143 | $config = MediaWikiServices::getInstance() |
| 144 | ->getConfigFactory() |
| 145 | ->makeConfig( 'wikispeech' ); |
| 146 | $requestFactory = MediaWikiServices::getInstance() |
| 147 | ->getHttpRequestFactory(); |
| 148 | |
| 149 | $emptyWanCache = new WANObjectCache( [ 'cache' => new EmptyBagOStuff() ] ); |
| 150 | |
| 151 | $logger = LoggerFactory::getInstance( 'Wikispeech' ); |
| 152 | |
| 153 | if ( !$this->speechoidConnector ) { |
| 154 | $this->speechoidConnector = new SpeechoidConnector( $config, $requestFactory ); |
| 155 | } |
| 156 | if ( !$this->voiceHandler ) { |
| 157 | $this->voiceHandler = new VoiceHandler( |
| 158 | $logger, |
| 159 | $config, |
| 160 | $this->speechoidConnector, |
| 161 | $emptyWanCache |
| 162 | ); |
| 163 | } |
| 164 | if ( !$this->segmentPageFactory ) { |
| 165 | $this->segmentPageFactory = new SegmentPageFactory( |
| 166 | $emptyWanCache, |
| 167 | MediaWikiServices::getInstance()->getConfigFactory() |
| 168 | ); |
| 169 | $this->segmentPageFactory |
| 170 | ->setUseSegmentsCache( false ) |
| 171 | ->setUseRevisionPropertiesCache( false ) |
| 172 | ->setContextSource( new RequestContext() ) |
| 173 | ->setRevisionStore( MediaWikiServices::getInstance()->getRevisionStore() ); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | private function executeValidateInput() { |
| 178 | $this->language = ''; |
| 179 | $this->voice = ''; |
| 180 | $this->title = Title::newFromText( $this->getOption( 'page' ) ); |
| 181 | if ( !$this->title->isKnown() ) { |
| 182 | $this->output( "Error: Page is not known.\n" ); |
| 183 | return false; |
| 184 | } |
| 185 | if ( $this->title->isSpecialPage() ) { |
| 186 | $this->output( "Error: Page is a SpecialPage.\n" ); |
| 187 | return false; |
| 188 | } |
| 189 | |
| 190 | if ( !$this->getOption( 'language', false ) ) { |
| 191 | $language = $this->title->getPageLanguage(); |
| 192 | if ( !$language ) { |
| 193 | $this->output( "Error: Unable to read language for page. Use parameter language.\n" ); |
| 194 | return false; |
| 195 | } |
| 196 | $this->language = $language->getCode(); |
| 197 | $this->output( "Language $this->language set from page default.\n" ); |
| 198 | } else { |
| 199 | $this->language = $this->getOption( 'language' ); |
| 200 | $this->output( "Language $this->language set from option.\n" ); |
| 201 | // todo validate language |
| 202 | } |
| 203 | |
| 204 | if ( !$this->getOption( 'voice', false ) ) { |
| 205 | $this->voice = $this->voiceHandler->getDefaultVoice( $this->language ); |
| 206 | if ( !$this->voice ) { |
| 207 | // This will never occur unless underlying default voice logic change. |
| 208 | // I.e. if the default voice cannot be found |
| 209 | // then your language must not be defined (in Speechoid or locally) |
| 210 | $this->output( "Error: No default voice for language $this->language. Use parameter voice.\n" ); |
| 211 | return false; |
| 212 | } |
| 213 | $this->output( "Voice $this->voice set from default for language $this->language.\n" ); |
| 214 | } else { |
| 215 | $this->voice = $this->getOption( 'voice' ); |
| 216 | $this->output( "Voice $this->voice set from option.\n" ); |
| 217 | // todo validate voice of language |
| 218 | } |
| 219 | |
| 220 | $this->synthesizeResponseTimeoutSeconds = intval( |
| 221 | $this->getOption( 'timeout', 240 ) |
| 222 | ); |
| 223 | |
| 224 | return true; |
| 225 | } |
| 226 | |
| 227 | private function executeSegmenting() { |
| 228 | // @todo consider adding revision as script parameter. |
| 229 | // Setting null will requests the most recent for the title. |
| 230 | $revisionId = null; |
| 231 | |
| 232 | $this->output( 'Benchmarking page ' . |
| 233 | "{$this->title->getText()} using language " . |
| 234 | "$this->language and voice " . |
| 235 | "$this->voice.\n" |
| 236 | ); |
| 237 | |
| 238 | // We don't want to count time spent rendering to segmenting time, |
| 239 | // so we call the segmenter twice. Segmenting cache is turned off. |
| 240 | $this->output( "Allowing for MediaWiki to render page...\n" ); |
| 241 | $this->segmentPageFactory->segmentPage( |
| 242 | $this->title, |
| 243 | $revisionId |
| 244 | ); |
| 245 | |
| 246 | $this->output( "Segmenting...\n" ); |
| 247 | $startSegmenting = microtime( true ) * 1000; |
| 248 | $segments = $this->segmentPageFactory->segmentPage( |
| 249 | $this->title, |
| 250 | $revisionId |
| 251 | )->getSegments(); |
| 252 | if ( $segments === null ) { |
| 253 | throw new MWException( 'Segments is null!' ); |
| 254 | } |
| 255 | $this->segments = $segments; |
| 256 | $endSegmenting = microtime( true ) * 1000; |
| 257 | $this->millisecondsSpentSegmenting = $endSegmenting - $startSegmenting; |
| 258 | } |
| 259 | |
| 260 | private function executeSynthesizing() { |
| 261 | $this->numberOfSuccessfullySynthesizedSegments = 0; |
| 262 | |
| 263 | $this->totalBytesSynthesizedVoice = 0; |
| 264 | $this->totalNumberOfTokenCharactersSynthesizedVoice = 0; |
| 265 | $this->totalNumberOfTokensSynthesizedVoice = 0; |
| 266 | $this->totalMillisecondsSynthesizedVoice = 0; |
| 267 | $this->output( 'Synthesizing ' . count( $this->segments->getSegments() ) . " segments... \n" ); |
| 268 | $this->output( "Press ^C to abort and calculate on evaluated state.\n" ); |
| 269 | $this->totalMillisecondsSpentSynthesizing = 0; |
| 270 | |
| 271 | $failures = ''; |
| 272 | |
| 273 | $progressCounterLength = 40; |
| 274 | $segmentCounter = 0; |
| 275 | $progressCounter = 0; |
| 276 | foreach ( $this->segments->getSegments() as $segment ) { |
| 277 | if ( $this->caughtSigInt ) { |
| 278 | break; |
| 279 | } |
| 280 | $segmentCounter++; |
| 281 | |
| 282 | $segmentText = ''; |
| 283 | foreach ( $segment->getContent() as $content ) { |
| 284 | $segmentText .= $content->getString(); |
| 285 | } |
| 286 | |
| 287 | $attempt = 0; |
| 288 | $maximumAttempts = 3; |
| 289 | $retriesLeft = $maximumAttempts; |
| 290 | while ( true ) { |
| 291 | $attempt++; |
| 292 | $startSynthesizing = microtime( true ) * 1000; |
| 293 | try { |
| 294 | $speechoidResponse = $this->speechoidConnector->synthesizeText( |
| 295 | $this->language, $this->voice, $segmentText, $this->synthesizeResponseTimeoutSeconds |
| 296 | ); |
| 297 | $endSynthesizing = microtime( true ) * 1000; |
| 298 | $millisecondsSpentSynthesizingSegment = $endSynthesizing - $startSynthesizing; |
| 299 | $this->totalMillisecondsSpentSynthesizing += $millisecondsSpentSynthesizingSegment; |
| 300 | |
| 301 | $bytesSynthesizedVoiceInSegment = mb_strlen( $speechoidResponse['audio_data'] ); |
| 302 | $this->totalBytesSynthesizedVoice += $bytesSynthesizedVoiceInSegment; |
| 303 | |
| 304 | $numberOfTokensInSegment = count( $speechoidResponse[ 'tokens' ] ); |
| 305 | $this->totalNumberOfTokensSynthesizedVoice += $numberOfTokensInSegment; |
| 306 | |
| 307 | $millisecondsSynthesizedVoiceInSegment = |
| 308 | $speechoidResponse['tokens'][ $numberOfTokensInSegment - 1 ]['endtime']; |
| 309 | $this->totalMillisecondsSynthesizedVoice += $millisecondsSynthesizedVoiceInSegment; |
| 310 | |
| 311 | $charactersInSegmentTokens = 0; |
| 312 | foreach ( $speechoidResponse['tokens'] as $token ) { |
| 313 | $charactersInSegmentTokens += mb_strlen( $token['orth'] ); |
| 314 | } |
| 315 | $this->totalNumberOfTokenCharactersSynthesizedVoice += $charactersInSegmentTokens; |
| 316 | |
| 317 | if ( $attempt > 1 ) { |
| 318 | $this->output( strval( $attempt ) ); |
| 319 | } else { |
| 320 | $this->output( '.' ); |
| 321 | } |
| 322 | $this->numberOfSuccessfullySynthesizedSegments++; |
| 323 | } catch ( SpeechoidConnectorException $speechoidConnectorException ) { |
| 324 | $millisecondsSpentBeforeException = ( microtime( true ) * 1000 ) - $startSynthesizing; |
| 325 | $failures .= "\nException $millisecondsSpentBeforeException milliseconds after request.\n"; |
| 326 | $failures .= $speechoidConnectorException->getMessage() . "\n"; |
| 327 | $retriesLeft--; |
| 328 | if ( $retriesLeft == 0 ) { |
| 329 | $failures .= "Giving up after attempt #$attempt. Segment ignored.\n"; |
| 330 | $failures .= $segmentText; |
| 331 | $failures .= "\n"; |
| 332 | $this->output( 'E' ); |
| 333 | } else { |
| 334 | continue; |
| 335 | } |
| 336 | } |
| 337 | $progressCounter++; |
| 338 | if ( $progressCounter === $progressCounterLength ) { |
| 339 | $progressCounter = 0; |
| 340 | |
| 341 | $eta = ', ETA ~'; |
| 342 | $meanMillisecondsSpentSynthesizingPerSegment = |
| 343 | $this->totalMillisecondsSpentSynthesizing / $this->numberOfSuccessfullySynthesizedSegments; |
| 344 | $millisecondsEta = intval( count( $this->segments->getSegments() ) - $segmentCounter ) |
| 345 | * $meanMillisecondsSpentSynthesizingPerSegment; |
| 346 | if ( $millisecondsEta < 1000 ) { |
| 347 | $eta .= $millisecondsEta . ' ms'; |
| 348 | } elseif ( $millisecondsEta < 1000 * 60 ) { |
| 349 | $eta .= intdiv( $millisecondsEta, 1000 ) . ' seconds'; |
| 350 | } else { |
| 351 | $eta .= intdiv( $millisecondsEta, 1000 * 60 ) . ' minutes'; |
| 352 | } |
| 353 | $eta .= ' (~' . intdiv( $meanMillisecondsSpentSynthesizingPerSegment, 1000 ) . 's/seg)'; |
| 354 | $this->output( |
| 355 | ' ' . |
| 356 | $segmentCounter . ' / ' . count( $this->segments->getSegments() ) . |
| 357 | $eta . "\n" |
| 358 | ); |
| 359 | } |
| 360 | break; |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | if ( $failures ) { |
| 365 | $this->output( "\n" ); |
| 366 | $this->output( $failures ); |
| 367 | $this->output( "\n" ); |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | /** |
| 372 | * @since 0.1.8 |
| 373 | * @return bool success |
| 374 | */ |
| 375 | public function execute() { |
| 376 | $this->executeSetUp(); |
| 377 | if ( !$this->executeValidateInput() ) { |
| 378 | return false; |
| 379 | } |
| 380 | $this->executeSegmenting(); |
| 381 | $this->executeSynthesizing(); |
| 382 | |
| 383 | $this->output( "\n\n" ); |
| 384 | $this->output( "Benchmark results\n" ); |
| 385 | $this->output( "-----------------\n" ); |
| 386 | $this->output( "\n" ); |
| 387 | |
| 388 | $this->output( 'Number of segments: ' . |
| 389 | count( $this->segments->getSegments() ) . "\n" ); |
| 390 | $this->output( "Milliseconds spent segmenting: $this->millisecondsSpentSegmenting\n" ); |
| 391 | |
| 392 | $meanMillisecondsSpentSegmentingPerSegment = |
| 393 | $this->millisecondsSpentSegmenting / count( $this->segments->getSegments() ); |
| 394 | |
| 395 | $this->output( 'Mean milliseconds spent segmenting per segment: ' . |
| 396 | "$meanMillisecondsSpentSegmentingPerSegment\n" ); |
| 397 | |
| 398 | if ( $this->numberOfSuccessfullySynthesizedSegments === 0 ) { |
| 399 | $this->output( "Nothing synthesized, no further metrics available.\n" ); |
| 400 | exit( 1 ); |
| 401 | } |
| 402 | |
| 403 | $this->totalMillisecondsSpentSynthesizing = intval( $this->totalMillisecondsSpentSynthesizing ); |
| 404 | $this->totalMillisecondsSynthesizedVoice = intval( $this->totalMillisecondsSynthesizedVoice ); |
| 405 | |
| 406 | $meanMillisecondsSynthesizingPerToken = |
| 407 | $this->totalMillisecondsSynthesizedVoice / $this->totalNumberOfTokensSynthesizedVoice; |
| 408 | $meanMillisecondsSynthesizingPerCharacter = |
| 409 | $this->totalMillisecondsSynthesizedVoice / $this->totalNumberOfTokenCharactersSynthesizedVoice; |
| 410 | $meanBytesSynthesizedVoicePerToken = |
| 411 | $this->totalBytesSynthesizedVoice / $this->totalNumberOfTokensSynthesizedVoice; |
| 412 | $meanBytesSynthesizedVoicePerCharacter = |
| 413 | $this->totalBytesSynthesizedVoice / $this->totalNumberOfTokenCharactersSynthesizedVoice; |
| 414 | |
| 415 | $meanTokensPerSegment = |
| 416 | $this->totalNumberOfTokensSynthesizedVoice / $this->numberOfSuccessfullySynthesizedSegments; |
| 417 | $meanTokenCharactersPerSegment = |
| 418 | $this->totalNumberOfTokenCharactersSynthesizedVoice / |
| 419 | $this->numberOfSuccessfullySynthesizedSegments; |
| 420 | |
| 421 | $meanMillisecondsSpentSegmentingPerToken = |
| 422 | ( $meanMillisecondsSpentSegmentingPerSegment * $this->numberOfSuccessfullySynthesizedSegments ) / |
| 423 | $this->totalNumberOfTokensSynthesizedVoice; |
| 424 | $meanMillisecondsSpentSegmentingPerTokenCharacter = |
| 425 | ( $meanMillisecondsSpentSegmentingPerSegment * $this->numberOfSuccessfullySynthesizedSegments ) / |
| 426 | $this->totalNumberOfTokenCharactersSynthesizedVoice; |
| 427 | |
| 428 | $this->output( 'Mean milliseconds spent segmenting per token synthesized: ' . |
| 429 | "$meanMillisecondsSpentSegmentingPerToken\n" ); |
| 430 | $this->output( 'Mean milliseconds spent segmenting per token character synthesized: ' . |
| 431 | "$meanMillisecondsSpentSegmentingPerTokenCharacter\n" ); |
| 432 | |
| 433 | if ( $this->numberOfSuccessfullySynthesizedSegments != count( $this->segments->getSegments() ) ) { |
| 434 | $this->output( 'Warning! Not all segments synthesized, ' . |
| 435 | "mean segmenting per token values might be slightly off.\n" ); |
| 436 | } |
| 437 | |
| 438 | $this->output( "\n" ); |
| 439 | |
| 440 | $this->output( 'Number of synthesized segments: ' . |
| 441 | "$this->numberOfSuccessfullySynthesizedSegments\n" ); |
| 442 | $this->output( "Number of synthesized tokens: $this->totalNumberOfTokensSynthesizedVoice\n" ); |
| 443 | $this->output( 'Number of synthesized token characters: ' . |
| 444 | "$this->totalNumberOfTokenCharactersSynthesizedVoice\n" ); |
| 445 | |
| 446 | $this->output( "\n" ); |
| 447 | |
| 448 | $this->output( "Mean number of tokens per synthesized segment: $meanTokensPerSegment\n" ); |
| 449 | $this->output( 'Mean number of token characters per synthesized segment: ' . |
| 450 | "$meanTokenCharactersPerSegment\n" ); |
| 451 | |
| 452 | $this->output( "\n" ); |
| 453 | |
| 454 | $this->output( 'Mean milliseconds synthesizing per token: ' . |
| 455 | "$meanMillisecondsSynthesizingPerToken\n" ); |
| 456 | $this->output( 'Mean milliseconds synthesizing per token character: ' . |
| 457 | "$meanMillisecondsSynthesizingPerCharacter\n" ); |
| 458 | |
| 459 | $this->output( 'Mean bytes synthesized voice per token: ' . |
| 460 | intval( $meanBytesSynthesizedVoicePerToken ) . "\n" ); |
| 461 | $this->output( 'Mean bytes synthesized voice per token character: ' . |
| 462 | intval( $meanBytesSynthesizedVoicePerCharacter ) . "\n" ); |
| 463 | |
| 464 | $this->output( "\n" ); |
| 465 | |
| 466 | $this->output( "Milliseconds of synthesized voice: $this->totalMillisecondsSynthesizedVoice\n" ); |
| 467 | $this->output( 'Seconds of synthesized voice: ' . |
| 468 | intdiv( $this->totalMillisecondsSynthesizedVoice, 1000 ) . "\n" ); |
| 469 | $this->output( 'Minutes of synthesized voice: ' . |
| 470 | intdiv( $this->totalMillisecondsSynthesizedVoice, 1000 * 60 ) . "\n" ); |
| 471 | |
| 472 | $this->output( "\n" ); |
| 473 | |
| 474 | $this->output( "Milliseconds spent synthesizing: $this->totalMillisecondsSpentSynthesizing\n" ); |
| 475 | $this->output( 'Seconds spent synthesizing: ' . |
| 476 | intdiv( $this->totalMillisecondsSpentSynthesizing, 1000 ) . "\n" ); |
| 477 | $this->output( 'Minutes spent synthesizing: ' . |
| 478 | intdiv( $this->totalMillisecondsSpentSynthesizing, 1000 * 60 ) . "\n" ); |
| 479 | |
| 480 | $this->output( "\n" ); |
| 481 | |
| 482 | $this->output( "Synthesized voice bytes: $this->totalBytesSynthesizedVoice\n" ); |
| 483 | $this->output( 'Synthesized voice kilobytes: ' . |
| 484 | intdiv( $this->totalBytesSynthesizedVoice, 1024 ) . "\n" ); |
| 485 | $this->output( 'Synthesized voice megabytes: ' . |
| 486 | intdiv( $this->totalBytesSynthesizedVoice, 1024 * 1024 ) . "\n" ); |
| 487 | |
| 488 | return true; |
| 489 | } |
| 490 | |
| 491 | } |
| 492 | |
| 493 | /** @var string This class, required to start via Maintenance. */ |
| 494 | $maintClass = Benchmark::class; |
| 495 | |
| 496 | require_once RUN_MAINTENANCE_IF_MAIN; |