Diff Report
Run #54811b6aec43d: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54811e8abf892: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for substr

substrRun #54811b6aec43dRun #54811e8abf892DiffDiff%
Number of Function Calls5,742 5,742 0 0.0%
Incl. Wall Time (microsec)96 83 -13 -13.5%
Incl. Wall Time (microsec) per call 0 0 -0 -13.5%
Excl. Wall Time (microsec)96 83 -13 -13.5%
Incl. MemUse (bytes)236,272 236,464 192 0.1%
Incl. MemUse (bytes) per call 41 41 0 0.1%
Excl. MemUse (bytes)236,272 236,464 192 0.1%
Incl. PeakMemUse (bytes)22,840 22,032 -808 -3.5%
Incl. PeakMemUse (bytes) per call 4 4 -0 -3.5%
Excl. PeakMemUse (bytes)22,840 22,032 -808 -3.5%

Parent/Child Regression/Improvement report for substr [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
substr0 N/A% -13 -0.0% 192 0.3% -808 -1.1%
Exclusive Metrics Diff for Current Function-13 -100.0% 192 100.0% -808 -100.0%
Parent functions
Symfony\Component\Yaml\Inline::parseScalar0 N/A% 21 161.5% -8 -4.2% 0 0.0%
Symfony\Component\Yaml\Parser::getNextEmbedBlock0 N/A% -19 -146.2% -48 -25.0% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% -18 -138.5% 48 25.0% -48 -5.9%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% -8 -61.5% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 N/A% 5 38.5% 168 87.5% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 3 23.1% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Inline::parse0 N/A% 2 15.4% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename0 N/A% -1 -7.7% 24 12.5% 0 0.0%
Symfony\Component\Yaml\Inline::evaluateScalar0 N/A% 1 7.7% 16 8.3% 0 0.0%
Drupal\Core\Asset\LibraryDiscoveryParser::buildByExtension0 N/A% 1 7.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% 0 0.0% 8 4.2% 0 0.0%
Symfony\Component\Routing\Route::sanitizeRequirement0 N/A% 0 0.0% -8 -4.2% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 8 4.2% 0 0.0%
Drupal\Core\DrupalKernel::__construct0 N/A% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Inline::parseQuotedScalar0 N/A% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Parser::parseValue0 N/A% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::theme@20 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 N/A% 0 0.0% -32 -16.7% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::getEntityTypeFromDefaults0 N/A% 0 0.0% 0 0.0% 0 0.0%
Twig_Loader_Filesystem::parseName0 N/A% 0 0.0% 0 0.0% -584 -72.3%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteMatch::getParameterNames0 N/A% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeRequestGlobals0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeCookieGlobals0 N/A% 0 0.0% 0 0.0% 0 0.0%
request_path0 N/A% 0 0.0% 0 0.0% 0 0.0%
devel_silent0 N/A% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 0 0.0% 16 8.3% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% 0 0.0% 0 0.0% -176 -21.8%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::parse0 N/A% 0 0.0% 0 0.0% 0 0.0%