Diff Report
Run #51ec51f5849d9: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #51ec51f5849d9Run #51ec517fc2424DiffDiff%
Number of Function Calls3,115 3,115 0 0.0%
Incl. Wall Time (microsec)1,086 1,087 1 0.1%
Incl. Wall Time (microsec) per call 0 0 0 0.1%
Excl. Wall Time (microsec)1,086 1,087 1 0.1%
Incl. CPU (microsecs)3,911 3,885 -26 -0.7%
Incl. CPU (microsecs) per call 1 1 -0 -0.7%
Excl. CPU (microsec)3,911 3,885 -26 -0.7%
Incl. MemUse (bytes)203,408 203,408 0 0.0%
Incl. MemUse (bytes) per call 65 65 0 0.0%
Excl. MemUse (bytes)203,408 203,408 0 0.0%
Incl. PeakMemUse (bytes)8,776 8,776 0 0.0%
Incl. PeakMemUse (bytes) per call 3 3 0 0.0%
Excl. PeakMemUse (bytes)8,776 8,776 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% 1 0.0% -26 -0.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 100.0% -26 -100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 10 1000.0% 0 0.0% 0 N/A% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 N/A% -6 -600.0% -34 -130.8% 0 N/A% 0 N/A%
theme@20 N/A% -2 -200.0% -4 -15.4% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 2 200.0% -10 -38.5% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -2 -200.0% 2 7.7% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocLexer::getType0 N/A% -2 -200.0% 21 80.8% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 1 100.0% 1 3.8% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% -1 -3.8% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 0 0.0% 1 3.8% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 1 3.8% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 5 19.2% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse@10 N/A% 0 0.0% -3 -11.5% 0 N/A% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 1 3.8% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 6 23.1% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% -2 -7.7% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -1 -3.8% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% -1 -3.8% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse0 N/A% 0 0.0% -8 -30.8% 0 N/A% 0 N/A%