Diff Report
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #51ec66a5a877dRun #51ec623000e0cDiffDiff%
Number of Function Calls11,311 11,307 -4 -0.0%
Incl. Wall Time (microsec)3,836 4,120 284 7.4%
Incl. Wall Time (microsec) per call 0 0 0 7.4%
Excl. Wall Time (microsec)3,836 4,120 284 7.4%
Incl. CPU (microsecs)14,282 14,099 -183 -1.3%
Incl. CPU (microsecs) per call 1 1 -0 -1.2%
Excl. CPU (microsec)14,282 14,099 -183 -1.3%
Incl. MemUse (bytes)703,984 703,960 -24 -0.0%
Incl. MemUse (bytes) per call 62 62 0 0.0%
Excl. MemUse (bytes)703,984 703,960 -24 -0.0%
Incl. PeakMemUse (bytes)22,568 22,568 0 0.0%
Incl. PeakMemUse (bytes) per call 2 2 0 0.0%
Excl. PeakMemUse (bytes)22,568 22,568 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-4 -100.0% 284 12.1% -183 -5.3% -24 -0.0% 0 0.0%
Exclusive Metrics Diff for Current Function284 100.0% -183 -100.0% -24 -100.0% 0 N/A%
Parent functions
Doctrine\Common\Annotations\DocLexer::getType0 0.0% 220 77.5% -111 -60.7% 40 166.7% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 0.0% 86 30.3% 9 4.9% 64 266.7% 0 N/A%
Drupal\image\Plugin\Core\Entity\ImageStyle::getPathToken0 0.0% -8 -2.8% -14 -7.7% -8 -33.3% 0 N/A%
text_summary0 0.0% -5 -1.8% -11 -6.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -4 -1.4% -9 -4.9% 0 0.0% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse0 0.0% -3 -1.1% -57 -31.1% 40 166.7% 0 N/A%
file_uri_scheme0 0.0% 2 0.7% 14 7.7% 8 33.3% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 0.0% -2 -0.7% 2 1.1% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% -1 -0.4% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -1 -0.4% -2 -1.1% 0 0.0% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 1 0.4% -2 -1.1% 0 0.0% 0 N/A%
theme@40 0.0% -1 -0.4% 0 0.0% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename-4 -100.0% 0 0.0% -3 -1.6% -168 -700.0% 0 N/A%
theme@10 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
theme@20 0.0% 0 0.0% 2 1.1% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 0.0% 0 0.0% -2 -1.1% 0 0.0% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse@10 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% 0 0.0% 2 1.1% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 1 0.5% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% 1 0.5% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% -2 -1.1% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 2 1.1% 0 0.0% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -3 -1.6% 0 0.0% 0 N/A%