Diff Report
Run #523f26a22745b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f27f8820ba: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #523f26a22745bRun #523f27f8820baDiffDiff%
Number of Function Calls1,652 1,652 0 0.0%
Incl. Wall Time (microsec)643 645 2 0.3%
Incl. Wall Time (microsec) per call 0 0 0 0.3%
Excl. Wall Time (microsec)643 645 2 0.3%
Incl. CPU (microsecs)2,041 2,049 8 0.4%
Incl. CPU (microsecs) per call 1 1 0 0.4%
Excl. CPU (microsec)2,041 2,049 8 0.4%
Incl. MemUse (bytes)101,680 101,672 -8 -0.0%
Incl. MemUse (bytes) per call 62 62 -0 -0.0%
Excl. MemUse (bytes)101,680 101,672 -8 -0.0%
Incl. PeakMemUse (bytes)13,024 12,952 -72 -0.6%
Incl. PeakMemUse (bytes) per call 8 8 -0 -0.6%
Excl. PeakMemUse (bytes)13,024 12,952 -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% 2 0.0% 8 0.0% -8 -0.0% -72 -0.1%
Exclusive Metrics Diff for Current Function2 100.0% 8 100.0% -8 -100.0% -72 -100.0%
Parent functions
Composer\Autoload\ClassLoader::findFile0 N/A% -5 -250.0% -30 -375.0% -8 -100.0% -72 -100.0%
Drupal\Core\Entity\Query\QueryBase::getNamespace0 N/A% 4 200.0% 3 37.5% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -3 -150.0% 1 12.5% 0 0.0% 0 0.0%
file_uri_scheme0 N/A% 3 150.0% 1 12.5% 0 0.0% 0 0.0%
theme@20 N/A% 2 100.0% 6 75.0% 0 0.0% 0 0.0%
theme@40 N/A% -2 -100.0% -2 -25.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename0 N/A% -1 -50.0% -7 -87.5% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% -1 -50.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 1 50.0% 6 75.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocLexer::getType0 N/A% -1 -50.0% 2 25.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 1 50.0% 5 62.5% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 1 50.0% 5 62.5% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 1 50.0% 3 37.5% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 N/A% 1 50.0% 2 25.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 N/A% 1 50.0% 1 12.5% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse0 N/A% 0 0.0% 1 12.5% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse@10 N/A% 0 0.0% 2 25.0% 0 0.0% 0 0.0%
Drupal\image\Entity\ImageStyle::getPathToken0 N/A% 0 0.0% -4 -50.0% 0 0.0% 0 0.0%
theme@10 N/A% 0 0.0% 1 12.5% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 2 25.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 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%
devel_silent0 N/A% 0 0.0% 2 25.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 N/A% 0 0.0% 6 75.0% 0 0.0% 0 0.0%
text_summary0 N/A% 0 0.0% 3 37.5% 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 50.0% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 N/A% 0 0.0% -5 -62.5% 0 0.0% 0 0.0%