Diff Report
Run #52c2677cc22b0: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52c2691acb42f: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #52c2677cc22b0Run #52c2691acb42fDiffDiff%
Number of Function Calls6,224 6,224 0 0.0%
Incl. Wall Time (microsec)4,792 4,787 -5 -0.1%
Incl. Wall Time (microsec) per call 1 1 -0 -0.1%
Excl. Wall Time (microsec)4,792 4,787 -5 -0.1%
Incl. CPU (microsecs)8,145 8,274 129 1.6%
Incl. CPU (microsecs) per call 1 1 0 1.6%
Excl. CPU (microsec)8,145 8,274 129 1.6%
Incl. MemUse (bytes)202,088 202,088 0 0.0%
Incl. MemUse (bytes) per call 32 32 0 0.0%
Excl. MemUse (bytes)202,088 202,088 0 0.0%
Incl. PeakMemUse (bytes)6,600 6,600 0 0.0%
Incl. PeakMemUse (bytes) per call 1 1 0 0.0%
Excl. PeakMemUse (bytes)6,600 6,600 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
substr0 N/A% -5 -0.1% 129 2.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -100.0% 129 100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\Yaml\Inline::parse0 N/A% -145 -2900.0% -36 -27.9% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 N/A% 64 1280.0% 96 74.4% 0 N/A% 0 N/A%
Symfony\Component\Yaml\Inline::parseScalar0 N/A% 57 1140.0% 57 44.2% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 11 220.0% 21 16.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 8 160.0% 13 10.1% 0 N/A% 0 N/A%
Symfony\Component\Yaml\Inline::parseQuotedScalar0 N/A% -7 -140.0% -55 -42.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\Xss::split0 N/A% 5 100.0% 13 10.1% 0 N/A% 0 N/A%
Symfony\Component\Yaml\Parser::getNextEmbedBlock0 N/A% -4 -80.0% 5 3.9% 0 N/A% 0 N/A%
theme@30 N/A% 4 80.0% 1 0.8% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 1 20.0% -5 -3.9% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 1 20.0% -1 -0.8% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::set0 N/A% 1 20.0% 6 4.7% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% -1 -20.0% 3 2.3% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% -2 -1.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 0 0.0% -1 -0.8% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 2 1.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\Xss::attributes0 N/A% 0 0.0% 5 3.9% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 1 0.8% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 2 1.6% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 2 1.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% -1 -0.8% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 N/A% 0 0.0% 3 2.3% 0 N/A% 0 N/A%