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

substrRun #52ed72044139bRun #52ed7448d018cDiffDiff%
Number of Function Calls5,557 5,561 4 0.1%
Incl. Wall Time (microsec)6,405 6,715 310 4.8%
Incl. Wall Time (microsec) per call 1 1 0 4.8%
Excl. Wall Time (microsec)6,405 6,715 310 4.8%
Incl. CPU (microsecs)11,943 12,082 139 1.2%
Incl. CPU (microsecs) per call 2 2 0 1.1%
Excl. CPU (microsec)11,943 12,082 139 1.2%
Incl. MemUse (bytes)169,760 170,032 272 0.2%
Incl. MemUse (bytes) per call 31 31 0 0.1%
Excl. MemUse (bytes)169,760 170,032 272 0.2%
Incl. PeakMemUse (bytes)2,952 2,696 -256 -8.7%
Incl. PeakMemUse (bytes) per call 1 0 -0 -8.7%
Excl. PeakMemUse (bytes)2,952 2,696 -256 -8.7%

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
substr4 100.0% 310 0.6% 139 0.3% 272 0.1% -256 -0.1%
Exclusive Metrics Diff for Current Function310 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%
theme@20 0.0% 1 0.3% 1 0.7% 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%
Drupal\Core\Config\Entity\Query\Query::execute0 0.0% 1 0.3% -2 -1.4% 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\Component\Utility\Xss::attributes0 0.0% 1 0.3% -6 -4.3% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename4 100.0% 1 0.3% 7 5.0% 232 85.3% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 0.3% 2 1.4% 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_settings_initialize0 0.0% 0 0.0% 2 1.4% 0 0.0% 0 0.0%
Drupal\system\Controller\SystemController::setLinkActiveClass0 0.0% 0 0.0% -1 -0.7% 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\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%
request_path0 0.0% 0 0.0% 1 0.7% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%