Diff Report
Run #52d4b1f732b14: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #52d4b1f732b14Run #52d4b18f32fb6DiffDiff%
Number of Function Calls1,242 1,245 3 0.2%
Incl. Wall Time (microsec)13 17 4 30.8%
Incl. Wall Time (microsec) per call 0 0 0 30.5%
Excl. Wall Time (microsec)13 17 4 30.8%
Incl. CPU (microsecs)1,220 1,233 13 1.1%
Incl. CPU (microsecs) per call 1 1 0 0.8%
Excl. CPU (microsec)1,220 1,233 13 1.1%
Incl. MemUse (bytes)64,384 65,280 896 1.4%
Incl. MemUse (bytes) per call 52 52 1 1.1%
Excl. MemUse (bytes)64,384 65,280 896 1.4%
Incl. PeakMemUse (bytes)16,128 16,456 328 2.0%
Incl. PeakMemUse (bytes) per call 13 13 0 1.8%
Excl. PeakMemUse (bytes)16,128 16,456 328 2.0%

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
substr3 100.0% 4 0.2% 13 0.7% 896 1.0% 328 0.4%
Exclusive Metrics Diff for Current Function4 100.0% 13 100.0% 896 100.0% 328 100.0%
Parent functions
Composer\Autoload\ClassLoader::findFile0 0.0% 3 75.0% -7 -53.8% 0 0.0% 160 48.8%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 25.0% -4 -30.8% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% -3 -23.1% 0 0.0% 168 51.2%
theme@1-1 -33.3% 0 0.0% -3 -23.1% -32 -3.6% 0 0.0%
theme@31 33.3% 0 0.0% 3 23.1% 792 88.4% 0 0.0%
Drupal\Core\Config\Entity\Query\Query::execute0 0.0% 0 0.0% -2 -15.4% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% 1 7.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename4 133.3% 0 0.0% 6 46.2% 168 18.8% 0 0.0%
theme@2-1 -33.3% 0 0.0% 2 15.4% -32 -3.6% 0 0.0%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 0 0.0% -3 -23.1% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 3 23.1% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -2 -15.4% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 15 115.4% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::set0 0.0% 0 0.0% -3 -23.1% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 14 107.7% 0 0.0% 0 0.0%
Drupal\Core\Entity\FieldableDatabaseStorageController::mapFromStorageRecords0 0.0% 0 0.0% -2 -15.4% 0 0.0% 0 0.0%