Diff Report
Run #523c5919acc8c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523c58bd29e4d: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #523c5919acc8cRun #523c58bd29e4dDiffDiff%
Number of Function Calls1,316 1,316 0 0.0%
Incl. Wall Time (microsec)1,790 1,850 60 3.4%
Incl. Wall Time (microsec) per call 1 1 0 3.4%
Excl. Wall Time (microsec)1,790 1,850 60 3.4%
Incl. CPU (microsecs)2,899 2,975 76 2.6%
Incl. CPU (microsecs) per call 2 2 0 2.6%
Excl. CPU (microsec)2,899 2,975 76 2.6%
Incl. MemUse (bytes)152,584 152,584 0 0.0%
Incl. MemUse (bytes) per call 116 116 0 0.0%
Excl. MemUse (bytes)152,584 152,584 0 0.0%
Incl. PeakMemUse (bytes)30,288 30,288 0 0.0%
Incl. PeakMemUse (bytes) per call 23 23 0 0.0%
Excl. PeakMemUse (bytes)30,288 30,288 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% 60 13.6% 76 5.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function60 100.0% 76 100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 39 65.0% 48 63.2% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 N/A% 12 20.0% 37 48.7% 0 N/A% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 5 8.3% 1 1.3% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 3 5.0% 6 7.9% 0 N/A% 0 N/A%
theme@20 N/A% 3 5.0% -3 -3.9% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 2 3.3% 4 5.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -2 -3.3% 1 1.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -1 -1.7% -5 -6.6% 0 N/A% 0 N/A%
theme@10 N/A% -1 -1.7% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -1 -1.7% -2 -2.6% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::set0 N/A% 1 1.7% 4 5.3% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -2 -2.6% 0 N/A% 0 N/A%
theme@30 N/A% 0 0.0% -1 -1.3% 0 N/A% 0 N/A%
request_path0 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% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -7 -9.2% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 0 0.0% 1 1.3% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% -2 -2.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespace0 N/A% 0 0.0% -4 -5.3% 0 N/A% 0 N/A%