Diff Report
Run #54dec21b63f84: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #54dec09b09eb9: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for substr

substrRun #54dec21b63f84Run #54dec09b09eb9DiffDiff%
Number of Function Calls3,026 3,019 -7 -0.2%
Incl. Wall Time (microsec)8 11 3 37.5%
Incl. Wall Time (microsec) per call 0 0 0 37.8%
Excl. Wall Time (microsec)8 11 3 37.5%
Incl. MemUse (bytes)190,528 190,112 -416 -0.2%
Incl. MemUse (bytes) per call 63 63 0 0.0%
Excl. MemUse (bytes)190,528 190,112 -416 -0.2%
Incl. PeakMemUse (bytes)25,384 25,192 -192 -0.8%
Incl. PeakMemUse (bytes) per call 8 8 -0 -0.5%
Excl. PeakMemUse (bytes)25,384 25,192 -192 -0.8%

Parent/Child Regression/Improvement report for substr [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
substr-7 -100.0% 3 0.0% -416 -0.2% -192 -0.0%
Exclusive Metrics Diff for Current Function3 100.0% -416 -100.0% -192 -100.0%
Parent functions
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% 3 100.0% 32 7.7% 48 25.0%
Drupal\Core\Database\Connection::expandArguments-1 -14.3% 2 66.7% -56 -13.5% -120 -62.5%
Twig_Error::updateRepr0 0.0% -1 -33.3% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -57.1% -1 -33.3% -232 -55.8% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% -24 -5.8% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::parse0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% 0 0.0% 0 0.0% -152 -79.2%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 0 0.0% 0 0.0%
twig_render_template@20 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Theme\ThemeManager::theme@20 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 0.0% -16 -3.8% 0 0.0%
Symfony\Component\Routing\Route::sanitizeRequirement0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 0 0.0% 32 16.7%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeRequestGlobals0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getContainingDirectoryFullPath-2 -28.6% 0 0.0% -120 -28.8% 0 0.0%
Drupal\Core\DrupalKernel::__construct0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Session\SessionConfiguration::getUnprefixedName0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteMatch::getParameterNames0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 0 0.0% 0 0.0%
devel_silent0 0.0% 0 0.0% 0 0.0% 0 0.0%