Diff Report
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for substr

substrRun #51ec52a09990aRun #51ec517fc2424DiffDiff%
Number of Function Calls3,119 3,115 -4 -0.1%
Incl. Wall Time (microsec)1,107 1,087 -20 -1.8%
Incl. Wall Time (microsec) per call 0 0 -0 -1.7%
Excl. Wall Time (microsec)1,107 1,087 -20 -1.8%
Incl. CPU (microsecs)3,891 3,885 -6 -0.2%
Incl. CPU (microsecs) per call 1 1 -0 -0.0%
Excl. CPU (microsec)3,891 3,885 -6 -0.2%
Incl. MemUse (bytes)203,680 203,408 -272 -0.1%
Incl. MemUse (bytes) per call 65 65 -0 -0.0%
Excl. MemUse (bytes)203,680 203,408 -272 -0.1%
Incl. PeakMemUse (bytes)8,376 8,776 400 4.8%
Incl. PeakMemUse (bytes) per call 3 3 0 4.9%
Excl. PeakMemUse (bytes)8,376 8,776 400 4.8%

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% -20 -0.5% -6 -0.1% -272 -1.2% 400 1.7%
Exclusive Metrics Diff for Current Function-20 -100.0% -6 -100.0% -272 -100.0% 400 100.0%
Parent functions
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 0.0% -15 -75.0% -36 -600.0% -48 -17.6% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 13 65.0% -4 -66.7% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -100.0% -5 -25.0% -4 -66.7% -168 -61.8% 0 0.0%
theme@20 0.0% -5 -25.0% -3 -50.0% 0 0.0% 400 100.0%
Doctrine\Common\Annotations\DocLexer::getType0 0.0% -4 -20.0% 29 483.3% -32 -11.8% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% -3 -15.0% 2 33.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -1 -5.0% 20 333.3% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 0.0% -1 -5.0% -1 -16.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 5.0% 2 33.3% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% -1 -16.7% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 19 316.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 1 16.7% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 2 33.3% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 1 16.7% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% -1 -16.7% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% -1 -16.7% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse0 0.0% 0 0.0% -32 -533.3% -24 -8.8% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse@10 0.0% 0 0.0% -2 -33.3% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% 3 50.0% 0 0.0% 0 0.0%