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

substrRun #53d4352fc0c61Run #53d436500e2acDiffDiff%
Number of Function Calls416 422 6 1.4%
Incl. Wall Time (microsec)273 282 9 3.3%
Incl. Wall Time (microsec) per call 1 1 0 1.8%
Excl. Wall Time (microsec)273 282 9 3.3%
Incl. CPU (microsecs)603 630 27 4.5%
Incl. CPU (microsecs) per call 1 1 0 3.0%
Excl. CPU (microsec)603 630 27 4.5%
Incl. MemUse (bytes)38,856 39,192 336 0.9%
Incl. MemUse (bytes) per call 93 93 -1 -0.6%
Excl. MemUse (bytes)38,856 39,192 336 0.9%
Incl. PeakMemUse (bytes)11,592 11,328 -264 -2.3%
Incl. PeakMemUse (bytes) per call 28 27 -1 -3.7%
Excl. PeakMemUse (bytes)11,592 11,328 -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
substr6 100.0% 9 0.1% 27 0.4% 336 0.8% -264 -0.7%
Exclusive Metrics Diff for Current Function9 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::getCacheFilename4 66.7% 4 44.4% 11 40.7% 232 69.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath2 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%