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

substrRun #54e0a6d45fe2aRun #54e0a7d2151b1DiffDiff%
Number of Function Calls1,775 1,775 0 0.0%
Incl. Wall Time (microsec)96 79 -17 -17.7%
Incl. Wall Time (microsec) per call 0 0 -0 -17.7%
Excl. Wall Time (microsec)96 79 -17 -17.7%
Incl. CPU (microsecs)1,984 1,971 -13 -0.7%
Incl. CPU (microsecs) per call 1 1 -0 -0.7%
Excl. CPU (microsec)1,984 1,971 -13 -0.7%
Incl. MemUse (bytes)104,608 104,632 24 0.0%
Incl. MemUse (bytes) per call 59 59 0 0.0%
Excl. MemUse (bytes)104,608 104,632 24 0.0%
Incl. PeakMemUse (bytes)12,504 12,480 -24 -0.2%
Incl. PeakMemUse (bytes) per call 7 7 -0 -0.2%
Excl. PeakMemUse (bytes)12,504 12,480 -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 Function-17 -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%