Diff Report
Run #523e49a66dc20: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523e4a8c453b2: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #523e49a66dc20Run #523e4a8c453b2DiffDiff%
Number of Function Calls1,991 1,991 0 0.0%
Incl. Wall Time (microsec)736 800 64 8.7%
Incl. Wall Time (microsec) per call 0 0 0 8.7%
Excl. Wall Time (microsec)736 800 64 8.7%
Incl. CPU (microsecs)2,457 2,457 0 0.0%
Incl. CPU (microsecs) per call 1 1 0 0.0%
Excl. CPU (microsec)2,457 2,457 0 0.0%
Incl. MemUse (bytes)89,984 89,984 0 0.0%
Incl. MemUse (bytes) per call 45 45 0 0.0%
Excl. MemUse (bytes)89,984 89,984 0 0.0%
Incl. PeakMemUse (bytes)16,520 16,520 0 0.0%
Incl. PeakMemUse (bytes) per call 8 8 0 0.0%
Excl. PeakMemUse (bytes)16,520 16,520 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% 64 0.7% 0 0.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function64 100.0% 0 N/A% 0 N/A% 0 N/A%
Parent functions
Composer\Autoload\ClassLoader::findFile0 N/A% 46 71.9% 39 N/A% 0 N/A% 0 N/A%
theme@30 N/A% 10 15.6% -52 N/A% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 4 6.2% 3 N/A% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 4 6.2% 2 N/A% 0 N/A% 0 N/A%
theme@20 N/A% -3 -4.7% 5 N/A% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -1 -1.6% 5 N/A% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespace0 N/A% 1 1.6% -1 N/A% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 1 1.6% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 1 1.6% 1 N/A% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 1 1.6% 2 N/A% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -1 N/A% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 1 N/A% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% -1 N/A% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 1 N/A% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 1 N/A% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::set0 N/A% 0 0.0% -5 N/A% 0 N/A% 0 N/A%