Diff Report
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #51ec491641923Run #51ec485525502DiffDiff%
Number of Function Calls1,854 1,846 -8 -0.4%
Incl. Wall Time (microsec)731 683 -48 -6.6%
Incl. Wall Time (microsec) per call 0 0 -0 -6.2%
Excl. Wall Time (microsec)731 683 -48 -6.6%
Incl. CPU (microsecs)2,323 2,352 29 1.2%
Incl. CPU (microsecs) per call 1 1 0 1.7%
Excl. CPU (microsec)2,323 2,352 29 1.2%
Incl. MemUse (bytes)125,960 125,608 -352 -0.3%
Incl. MemUse (bytes) per call 68 68 0 0.2%
Excl. MemUse (bytes)125,960 125,608 -352 -0.3%
Incl. PeakMemUse (bytes)10,768 10,768 0 0.0%
Incl. PeakMemUse (bytes) per call 6 6 0 0.4%
Excl. PeakMemUse (bytes)10,768 10,768 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
substr-8 -100.0% -48 -3.1% 29 1.7% -352 -0.3% 0 0.0%
Exclusive Metrics Diff for Current Function-48 -100.0% 29 100.0% -352 -100.0% 0 N/A%
Parent functions
Doctrine\Common\Annotations\DocLexer::getType0 0.0% -37 -77.1% 43 148.3% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename-8 -100.0% -6 -12.5% -6 -20.7% -336 -95.5% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 0.0% -4 -8.3% 12 41.4% -16 -4.5% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -2 -4.2% 4 13.8% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 2 4.2% -4 -13.8% 0 0.0% 0 N/A%
theme@20 0.0% -2 -4.2% -3 -10.3% 0 0.0% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 0.0% 1 2.1% -2 -6.9% 0 0.0% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse@10 0.0% 0 0.0% -2 -6.9% 0 0.0% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse0 0.0% 0 0.0% -3 -10.3% 0 0.0% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% 1 3.4% 0 0.0% 0 N/A%
theme@40 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
theme@10 0.0% 0 0.0% -3 -10.3% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% -1 -3.4% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -5 -17.2% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% -1 -3.4% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% -1 -3.4% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 2 6.9% 0 0.0% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 2 6.9% 0 0.0% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% -3 -10.3% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% -1 -3.4% 0 0.0% 0 N/A%