Diff Report
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b1f732b14: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for substr

substrRun #52d4b18f32fb6Run #52d4b1f732b14DiffDiff%
Number of Function Calls1,245 1,242 -3 -0.2%
Incl. Wall Time (microsec)17 13 -4 -23.5%
Incl. Wall Time (microsec) per call 0 0 -0 -23.3%
Excl. Wall Time (microsec)17 13 -4 -23.5%
Incl. CPU (microsecs)1,233 1,220 -13 -1.1%
Incl. CPU (microsecs) per call 1 1 -0 -0.8%
Excl. CPU (microsec)1,233 1,220 -13 -1.1%
Incl. MemUse (bytes)65,280 64,384 -896 -1.4%
Incl. MemUse (bytes) per call 52 52 -1 -1.1%
Excl. MemUse (bytes)65,280 64,384 -896 -1.4%
Incl. PeakMemUse (bytes)16,456 16,128 -328 -2.0%
Incl. PeakMemUse (bytes) per call 13 13 -0 -1.8%
Excl. PeakMemUse (bytes)16,456 16,128 -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
substr-3 -100.0% -4 -0.2% -13 -0.7% -896 -1.0% -328 -0.4%
Exclusive Metrics Diff for Current Function-4 -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@21 33.3% 0 0.0% -2 -15.4% 32 3.6% 0 0.0%
theme@11 33.3% 0 0.0% 3 23.1% 32 3.6% 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%
theme@3-1 -33.3% 0 0.0% -3 -23.1% -792 -88.4% 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::getCacheFilename-4 -133.3% 0 0.0% -6 -46.2% -168 -18.8% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 0 0.0% 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%