Diff Report
Run #523f1f1f50546: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f1dee40c1a: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #523f1f1f50546Run #523f1dee40c1aDiffDiff%
Number of Function Calls1,652 1,652 0 0.0%
Incl. Wall Time (microsec)623 646 23 3.7%
Incl. Wall Time (microsec) per call 0 0 0 3.7%
Excl. Wall Time (microsec)623 646 23 3.7%
Incl. CPU (microsecs)1,998 2,098 100 5.0%
Incl. CPU (microsecs) per call 1 1 0 5.0%
Excl. CPU (microsec)1,998 2,098 100 5.0%
Incl. MemUse (bytes)101,688 101,680 -8 -0.0%
Incl. MemUse (bytes) per call 62 62 -0 -0.0%
Excl. MemUse (bytes)101,688 101,680 -8 -0.0%
Incl. PeakMemUse (bytes)12,952 13,024 72 0.6%
Incl. PeakMemUse (bytes) per call 8 8 0 0.6%
Excl. PeakMemUse (bytes)12,952 13,024 72 0.6%

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% 23 0.7% 100 3.2% -8 -0.0% 72 0.0%
Exclusive Metrics Diff for Current Function23 100.0% 100 100.0% -8 -100.0% 72 100.0%
Parent functions
Composer\Autoload\ClassLoader::findFile0 N/A% 22 95.7% 50 50.0% -8 -100.0% 72 100.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 6 26.1% 17 17.0% 0 0.0% 0 0.0%
text_summary0 N/A% -4 -17.4% -8 -8.0% 0 0.0% 0 0.0%
theme@40 N/A% 3 13.0% 12 12.0% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% -2 -8.7% 1 1.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 2 8.7% 5 5.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespace0 N/A% -2 -8.7% 2 2.0% 0 0.0% 0 0.0%
theme@20 N/A% 2 8.7% -3 -3.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename0 N/A% -2 -8.7% -5 -5.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% -1 -4.3% 38 38.0% 0 0.0% 0 0.0%
file_uri_scheme0 N/A% 1 4.3% 11 11.0% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 N/A% -1 -4.3% 0 0.0% 0 0.0% 0 0.0%
theme@10 N/A% 1 4.3% 1 1.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -1 -4.3% 0 0.0% 0 0.0% 0 0.0%
devel_silent0 N/A% -1 -4.3% -1 -1.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 1 4.3% -2 -2.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 N/A% -1 -4.3% -2 -2.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -3 -3.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% -1 -1.0% 0 0.0% 0 0.0%
Drupal\image\Entity\ImageStyle::getPathToken0 N/A% 0 0.0% 2 2.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse@10 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse0 N/A% 0 0.0% 1 1.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::set0 N/A% 0 0.0% -4 -4.0% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 N/A% 0 0.0% -2 -2.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -4 -4.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% -5 -5.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocLexer::getType0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%