Diff Report
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #52e4374042aceRun #52e436ce9c71dDiffDiff%
Number of Function Calls309 305 -4 -1.3%
Incl. Wall Time (microsec)91 71 -20 -22.0%
Incl. Wall Time (microsec) per call 0 0 -0 -21.0%
Excl. Wall Time (microsec)91 71 -20 -22.0%
Incl. CPU (microsecs)391 368 -23 -5.9%
Incl. CPU (microsecs) per call 1 1 -0 -4.6%
Excl. CPU (microsec)391 368 -23 -5.9%
Incl. MemUse (bytes)84,472 84,240 -232 -0.3%
Incl. MemUse (bytes) per call 273 276 3 1.0%
Excl. MemUse (bytes)84,472 84,240 -232 -0.3%
Incl. PeakMemUse (bytes)52,856 52,856 0 0.0%
Incl. PeakMemUse (bytes) per call 171 173 2 1.3%
Excl. PeakMemUse (bytes)52,856 52,856 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
substr-4 -100.0% -20 -1.7% -23 -2.3% -232 -0.3% 0 0.0%
Exclusive Metrics Diff for Current Function-20 -100.0% -23 -100.0% -232 -100.0% 0 N/A%
Parent functions
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -23 -115.0% -27 -117.4% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename-4 -100.0% 2 10.0% -5 -21.7% -232 -100.0% 0 N/A%
theme@20 0.0% 2 10.0% 1 4.3% 0 0.0% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 1 5.0% 1 4.3% 0 0.0% 0 N/A%
request_path0 0.0% 1 5.0% -1 -4.3% 0 0.0% 0 N/A%
Drupal\Core\Entity\FieldableDatabaseStorageController::mapFromStorageRecords0 0.0% -1 -5.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 1 5.0% 1 4.3% 0 0.0% 0 N/A%
theme@40 0.0% -1 -5.0% -1 -4.3% 0 0.0% 0 N/A%
theme@30 0.0% -1 -5.0% 2 8.7% 0 0.0% 0 N/A%
twig_escape_filter0 0.0% -1 -5.0% 1 4.3% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 1 5.0% 5 21.7% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -1 -5.0% 4 17.4% 0 0.0% 0 N/A%
theme@10 0.0% 0 0.0% 1 4.3% 0 0.0% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% -3 -13.0% 0 0.0% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 0.0% 0 0.0% -1 -4.3% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% -1 -4.3% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -1 -4.3% 0 0.0% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 1 4.3% 0 0.0% 0 N/A%