Diff Report
Run #52c1d613a9327: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52c1d5ca86be3: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #52c1d613a9327Run #52c1d5ca86be3DiffDiff%
Number of Function Calls1,328 1,328 0 0.0%
Incl. Wall Time (microsec)907 902 -5 -0.6%
Incl. Wall Time (microsec) per call 1 1 -0 -0.6%
Excl. Wall Time (microsec)907 902 -5 -0.6%
Incl. CPU (microsecs)1,878 1,860 -18 -1.0%
Incl. CPU (microsecs) per call 1 1 -0 -1.0%
Excl. CPU (microsec)1,878 1,860 -18 -1.0%
Incl. MemUse (bytes)81,184 81,184 0 0.0%
Incl. MemUse (bytes) per call 61 61 0 0.0%
Excl. MemUse (bytes)81,184 81,184 0 0.0%
Incl. PeakMemUse (bytes)11,952 11,952 0 0.0%
Incl. PeakMemUse (bytes) per call 9 9 0 0.0%
Excl. PeakMemUse (bytes)11,952 11,952 0 0.0%

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
substr0 N/A% -5 -0.2% -18 -3.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -100.0% -18 -100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 14 280.0% 15 83.3% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 N/A% -11 -220.0% -26 -144.4% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::set0 N/A% -5 -100.0% -4 -22.2% 0 N/A% 0 N/A%
theme@20 N/A% -3 -60.0% -1 -5.6% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -2 -40.0% -2 -11.1% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -1 -20.0% 1 5.6% 0 N/A% 0 N/A%
request_path0 N/A% 1 20.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 1 20.0% -2 -11.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 1 20.0% -1 -5.6% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 1 5.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% 2 11.1% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 0 0.0% -2 -11.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Xss::split0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% -2 -11.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 2 11.1% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 2 11.1% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 2 11.1% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -7 -38.9% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 N/A% 0 0.0% 4 22.2% 0 N/A% 0 N/A%