Diff Report
Run #52ed7448d018c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52ed72044139b: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #52ed7448d018cRun #52ed72044139bDiffDiff%
Number of Function Calls5,561 5,557 -4 -0.1%
Incl. Wall Time (microsec)6,715 6,405 -310 -4.6%
Incl. Wall Time (microsec) per call 1 1 -0 -4.5%
Excl. Wall Time (microsec)6,715 6,405 -310 -4.6%
Incl. CPU (microsecs)12,082 11,943 -139 -1.2%
Incl. CPU (microsecs) per call 2 2 -0 -1.1%
Excl. CPU (microsec)12,082 11,943 -139 -1.2%
Incl. MemUse (bytes)170,032 169,760 -272 -0.2%
Incl. MemUse (bytes) per call 31 31 -0 -0.1%
Excl. MemUse (bytes)170,032 169,760 -272 -0.2%
Incl. PeakMemUse (bytes)2,696 2,952 256 9.5%
Incl. PeakMemUse (bytes) per call 0 1 0 9.6%
Excl. PeakMemUse (bytes)2,696 2,952 256 9.5%

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-4 -100.0% -310 -0.6% -139 -0.3% -272 -0.1% 256 0.1%
Exclusive Metrics Diff for Current Function-310 -100.0% -139 -100.0% -272 -100.0% 256 100.0%
Parent functions
Symfony\Component\Yaml\Inline::parse0 0.0% -125 -40.3% -75 -54.0% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Inline::parseQuotedScalar0 0.0% -124 -40.0% -50 -36.0% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Parser::getNextEmbedBlock0 0.0% -38 -12.3% 7 5.0% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Inline::parseScalar0 0.0% -16 -5.2% -67 -48.2% 0 0.0% 0 0.0%
theme@10 0.0% -8 -2.6% 30 21.6% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 7 2.3% -5 -3.6% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::split0 0.0% -6 -1.9% 23 16.5% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 4 1.3% 5 3.6% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 3 1.0% 8 5.8% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 1 0.3% 0 0.0% -16 -5.9% 0 0.0%
Drupal\Core\Database\Connection::query0 0.0% -1 -0.3% -3 -2.2% 0 0.0% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::execute0 0.0% -1 -0.3% 2 1.4% 0 0.0% 0 0.0%
Drupal\Component\Utility\Xss::attributes0 0.0% -1 -0.3% 6 4.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% -1 -0.3% -2 -1.4% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% -1 -0.3% -2 -1.4% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -100.0% -1 -0.3% -7 -5.0% -232 -85.3% 0 0.0%
theme@20 0.0% -1 -0.3% -1 -0.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -1 -0.3% -7 -5.0% 0 0.0% 256 100.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% 1 0.7% 0 0.0% 0 0.0%
theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFile0 0.0% 0 0.0% 1 0.7% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -2 -1.4% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% -1 -0.7% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% -1 -0.7% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% 1 0.7% -24 -8.8% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%