Diff Report
Run #54e0a7d2151b1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #54e0a6d45fe2a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #54e0a7d2151b1Run #54e0a6d45fe2aDiffDiff%
Number of Function Calls1,775 1,775 0 0.0%
Incl. Wall Time (microsec)79 96 17 21.5%
Incl. Wall Time (microsec) per call 0 0 0 21.5%
Excl. Wall Time (microsec)79 96 17 21.5%
Incl. CPU (microsecs)1,971 1,984 13 0.7%
Incl. CPU (microsecs) per call 1 1 0 0.7%
Excl. CPU (microsec)1,971 1,984 13 0.7%
Incl. MemUse (bytes)104,632 104,608 -24 -0.0%
Incl. MemUse (bytes) per call 59 59 -0 -0.0%
Excl. MemUse (bytes)104,632 104,608 -24 -0.0%
Incl. PeakMemUse (bytes)12,480 12,504 24 0.2%
Incl. PeakMemUse (bytes) per call 7 7 0 0.2%
Excl. PeakMemUse (bytes)12,480 12,504 24 0.2%

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


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
substr0 N/A% 17 2.3% 13 3.6% -24 -0.2% 24 0.2%
Exclusive Metrics Diff for Current Function17 100.0% 13 100.0% -24 -100.0% 24 100.0%
Parent functions
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% -14 -82.4% -34 -261.5% 32 133.3% -40 -166.7%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 9 52.9% 21 161.5% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% 8 47.1% 12 92.3% -8 -33.3% 0 0.0%
Drupal\Core\Theme\ThemeManager::theme@20 N/A% 6 35.3% 17 130.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::expandArguments0 N/A% 6 35.3% 0 0.0% 0 0.0% 32 133.3%
Twig_Environment::getCacheFilename0 N/A% 1 5.9% 9 69.2% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 1 5.9% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::parse0 N/A% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -4 -30.8% 0 0.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::theme0 N/A% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 N/A% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
Symfony\Component\Routing\Route::sanitizeRequirement0 N/A% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::getEntityTypeFromDefaults0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
Twig_Loader_Filesystem::parseName0 N/A% 0 0.0% 1 7.7% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% 0 0.0% -3 -23.1% -48 -200.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 1 7.7% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeRequestGlobals0 N/A% 0 0.0% 1 7.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% -4 -30.8% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% 0 0.0% -3 -23.1% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 1 7.7% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteMatch::getParameterNames0 N/A% 0 0.0% 3 23.1% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::__construct0 N/A% 0 0.0% 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% 32 133.3%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionConfiguration::getUnprefixedName0 N/A% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 2 15.4% 0 0.0% 0 0.0%