Diff Report
Run #52353e715a325: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52353d82849e7: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #52353e715a325Run #52353d82849e7DiffDiff%
Number of Function Calls1,198 1,194 -4 -0.3%
Incl. Wall Time (microsec)1,836 1,847 11 0.6%
Incl. Wall Time (microsec) per call 2 2 0 0.9%
Excl. Wall Time (microsec)1,836 1,847 11 0.6%
Incl. CPU (microsecs)2,861 2,851 -10 -0.3%
Incl. CPU (microsecs) per call 2 2 -0 -0.0%
Excl. CPU (microsec)2,861 2,851 -10 -0.3%
Incl. MemUse (bytes)71,424 71,224 -200 -0.3%
Incl. MemUse (bytes) per call 60 60 0 0.1%
Excl. MemUse (bytes)71,424 71,224 -200 -0.3%
Incl. PeakMemUse (bytes)9,856 9,648 -208 -2.1%
Incl. PeakMemUse (bytes) per call 8 8 -0 -1.8%
Excl. PeakMemUse (bytes)9,856 9,648 -208 -2.1%

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% 11 0.2% -10 -0.2% -200 -0.2% -208 -0.2%
Exclusive Metrics Diff for Current Function11 100.0% -10 -100.0% -200 -100.0% -208 -100.0%
Parent functions
Composer\Autoload\ClassLoader::findFile0 0.0% 47 427.3% 43 430.0% -40 -20.0% -48 -23.1%
theme@20 0.0% -15 -136.4% -7 -70.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -100.0% -10 -90.9% -9 -90.0% -168 -84.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% -7 -63.6% -5 -50.0% 0 0.0% -160 -76.9%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -7 -63.6% -5 -50.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespace0 0.0% 5 45.5% 3 30.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 4 36.4% 2 20.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse@10 0.0% -2 -18.2% -5 -50.0% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 0.0% -2 -18.2% -1 -10.0% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 0.0% 2 18.2% -2 -20.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse0 0.0% -1 -9.1% -2 -20.0% 8 4.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% -1 -9.1% -1 -10.0% 0 0.0% 0 0.0%
theme@10 0.0% 1 9.1% -2 -20.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 1 9.1% -1 -10.0% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% -1 -9.1% -2 -20.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -1 -9.1% -4 -40.0% 0 0.0% 0 0.0%
devel_silent0 0.0% -1 -9.1% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% -1 -9.1% -2 -20.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% -3 -30.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocLexer::getType0 0.0% 0 0.0% -1 -10.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% -1 -10.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% -1 -10.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 1 10.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -3 -30.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::set0 0.0% 0 0.0% -2 -20.0% 0 0.0% 0 0.0%