Diff Report
Run #53d436500e2ac: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53d4352fc0c61: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #53d436500e2acRun #53d4352fc0c61DiffDiff%
Number of Function Calls422 416 -6 -1.4%
Incl. Wall Time (microsec)282 273 -9 -3.2%
Incl. Wall Time (microsec) per call 1 1 -0 -1.8%
Excl. Wall Time (microsec)282 273 -9 -3.2%
Incl. CPU (microsecs)630 603 -27 -4.3%
Incl. CPU (microsecs) per call 1 1 -0 -2.9%
Excl. CPU (microsec)630 603 -27 -4.3%
Incl. MemUse (bytes)39,192 38,856 -336 -0.9%
Incl. MemUse (bytes) per call 93 93 1 0.6%
Excl. MemUse (bytes)39,192 38,856 -336 -0.9%
Incl. PeakMemUse (bytes)11,328 11,592 264 2.3%
Incl. PeakMemUse (bytes) per call 27 28 1 3.8%
Excl. PeakMemUse (bytes)11,328 11,592 264 2.3%

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-6 -100.0% -9 -0.1% -27 -0.4% -336 -0.8% 264 0.7%
Exclusive Metrics Diff for Current Function-9 -100.0% -27 -100.0% -336 -100.0% 264 100.0%
Parent functions
Drupal\Component\Uuid\Php::generate0 0.0% 6 66.7% -7 -25.9% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -5 -55.6% 3 11.1% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -66.7% -4 -44.4% -11 -40.7% -232 -69.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath-2 -33.3% -4 -44.4% -5 -18.5% -120 -35.7% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% -3 -33.3% 0 0.0% 8 2.4% 224 84.8%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 2 22.2% 4 14.8% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 1 11.1% 1 3.7% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% -1 -11.1% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::split0 0.0% 1 11.1% 1 3.7% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteMatch::getParameterNames0 0.0% -1 -11.1% -4 -14.8% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionManager::getInsecureName0 0.0% -1 -11.1% -1 -3.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -4 -14.8% 0 0.0% 0 0.0%
_theme@10 0.0% 0 0.0% -1 -3.7% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% 1 3.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% 1 3.7% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% 3 11.1% 0 0.0% 0 0.0%
_theme@20 0.0% 0 0.0% -1 -3.7% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeCookieGlobals0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% 3 11.1% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -2 -7.4% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 0 0.0% 8 2.4% 40 15.2%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% -2 -7.4% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeRequestGlobals0 0.0% 0 0.0% 3 11.1% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 0 0.0% -10 -37.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 3.7% 0 0.0% 0 0.0%