Diff Report
Run #543bf51d41339: XHProf Run (Namespace=drupal-perf-dawehner)
vs.
Run #543bf339ee873: XHProf Run (Namespace=drupal-perf-dawehner)
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Regression/Improvement summary for substr

substrRun #543bf51d41339Run #543bf339ee873DiffDiff%
Number of Function Calls1,539 1,538 -1 -0.1%
Incl. Wall Time (microsec)1,570 1,583 13 0.8%
Incl. Wall Time (microsec) per call 1 1 0 0.9%
Excl. Wall Time (microsec)1,570 1,583 13 0.8%
Incl. CPU (microsecs)2,771 2,859 88 3.2%
Incl. CPU (microsecs) per call 2 2 0 3.2%
Excl. CPU (microsec)2,771 2,859 88 3.2%
Incl. MemUse (bytes)89,688 89,552 -136 -0.2%
Incl. MemUse (bytes) per call 58 58 -0 -0.1%
Excl. MemUse (bytes)89,688 89,552 -136 -0.2%
Incl. PeakMemUse (bytes)27,472 27,320 -152 -0.6%
Incl. PeakMemUse (bytes) per call 18 18 -0 -0.5%
Excl. PeakMemUse (bytes)27,472 27,320 -152 -0.6%

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
substr-1 -100.0% 13 0.2% 88 0.8% -136 -0.0% -152 -0.0%
Exclusive Metrics Diff for Current Function13 100.0% 88 100.0% -136 -100.0% -152 -100.0%
Parent functions
Drupal\Core\Theme\ThemeManager::theme-10 -1000.0% -10 -76.9% -22 -25.0% -1,104 -811.8% 0 0.0%
_theme10 1000.0% 10 76.9% 19 21.6% 1,072 788.2% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension-1 -100.0% 6 46.2% 18 20.5% -40 -29.4% -184 -121.1%
Drupal\Core\Theme\ThemeManager::theme@2-6 -600.0% -6 -46.2% -12 -13.6% -984 -723.5% 0 0.0%
_theme@26 600.0% 6 46.2% 12 13.6% 952 700.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 0.0% 3 23.1% 6 6.8% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 2 15.4% 7 8.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 1 7.7% 6 6.8% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 1 7.7% 18 20.5% 0 0.0% 0 0.0%
Symfony\Component\Routing\Route::sanitizeRequirement0 0.0% 0 0.0% -2 -2.3% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 0.0% 11 12.5% -40 -29.4% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% 1 1.1% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename0 0.0% 0 0.0% -2 -2.3% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::parse0 0.0% 0 0.0% 1 1.1% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% -1 -1.1% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 6 6.8% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeRequestGlobals0 0.0% 0 0.0% 1 1.1% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeCookieGlobals0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 1 1.1% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 2 2.3% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionManager::getInsecureName0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% 1 1.1% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteMatch::getParameterNames0 0.0% 0 0.0% 2 2.3% 0 0.0% 32 21.1%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% -6 -6.8% 8 5.9% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 19 21.6% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 0 0.0% 2 2.3% 0 0.0% 0 0.0%