Diff Report
Run #54433ad6a7755: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #544333b05173f: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #54433ad6a7755Run #544333b05173fDiffDiff%
Number of Function Calls5,413 5,413 0 0.0%
Incl. Wall Time (microsec)3,487 3,413 -74 -2.1%
Incl. Wall Time (microsec) per call 1 1 -0 -2.1%
Excl. Wall Time (microsec)3,487 3,413 -74 -2.1%
Incl. CPU (microsecs)7,920 7,751 -169 -2.1%
Incl. CPU (microsecs) per call 1 1 -0 -2.1%
Excl. CPU (microsec)7,920 7,751 -169 -2.1%
Incl. MemUse (bytes)216,384 216,272 -112 -0.1%
Incl. MemUse (bytes) per call 40 40 -0 -0.1%
Excl. MemUse (bytes)216,384 216,272 -112 -0.1%
Incl. PeakMemUse (bytes)15,496 15,648 152 1.0%
Incl. PeakMemUse (bytes) per call 3 3 0 1.0%
Excl. PeakMemUse (bytes)15,496 15,648 152 1.0%

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% -74 -0.1% -169 -0.2% -112 -0.2% 152 0.3%
Exclusive Metrics Diff for Current Function-74 -100.0% -169 -100.0% -112 -100.0% 152 100.0%
Parent functions
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 68 91.9% -62 -36.7% 16 14.3% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath0 N/A% -30 -40.5% -13 -7.7% 0 0.0% -88 -57.9%
Drupal\Component\Uuid\Php::generate0 N/A% -26 -35.1% -2 -1.2% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename0 N/A% -20 -27.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -17 -23.0% -8 -4.7% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension0 N/A% -15 -20.3% -54 -32.0% -72 -64.3% 80 52.6%
_theme0 N/A% -14 -18.9% 4 2.4% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% -9 -12.2% -8 -4.7% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 N/A% -9 -12.2% 2 1.2% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteMatch::getParameterNames0 N/A% -4 -5.4% -7 -4.1% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 N/A% 3 4.1% -17 -10.1% -32 -28.6% 0 0.0%
Symfony\Component\Routing\Route::sanitizeRequirement0 N/A% -2 -2.7% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -1 -1.4% -2 -1.2% 0 0.0% 0 0.0%
_theme@20 N/A% 1 1.4% 3 1.8% 0 0.0% 0 0.0%
request_path0 N/A% 1 1.4% 1 0.6% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionManager::getInsecureName0 N/A% -1 -1.4% -1 -0.6% 0 0.0% 0 0.0%
Drupal\image\Entity\ImageStyle::getPathToken0 N/A% 1 1.4% 8 4.7% -24 -21.4% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 N/A% 0 0.0% -4 -2.4% 0 0.0% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::getEntityTypeFromDefaults0 N/A% 0 0.0% 2 1.2% 0 0.0% 0 0.0%
Twig_Loader_Filesystem::findTemplate0 N/A% 0 0.0% -1 -0.6% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 N/A% 0 0.0% -1 -0.6% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 0 0.0% -1 -0.6% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 1 0.6% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% -4 -2.4% 0 0.0% 160 105.3%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -1 -0.6% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeCookieGlobals0 N/A% 0 0.0% -4 -2.4% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeRequestGlobals0 N/A% 0 0.0% 2 1.2% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% 1 0.6% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% -3 -1.8% 0 0.0% 0 0.0%