Diff Report
Run #52d3e93cb560e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d3e964b719c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #52d3e93cb560eRun #52d3e964b719cDiffDiff%
Number of Function Calls1,188 1,188 0 0.0%
Incl. Wall Time (microsec)59 42 -17 -28.8%
Incl. Wall Time (microsec) per call 0 0 -0 -28.8%
Excl. Wall Time (microsec)59 42 -17 -28.8%
Incl. CPU (microsecs)1,236 1,206 -30 -2.4%
Incl. CPU (microsecs) per call 1 1 -0 -2.4%
Excl. CPU (microsec)1,236 1,206 -30 -2.4%
Incl. MemUse (bytes)62,120 62,120 0 0.0%
Incl. MemUse (bytes) per call 52 52 0 0.0%
Excl. MemUse (bytes)62,120 62,120 0 0.0%
Incl. PeakMemUse (bytes)16,488 16,488 0 0.0%
Incl. PeakMemUse (bytes) per call 14 14 0 0.0%
Excl. PeakMemUse (bytes)16,488 16,488 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% -17 -5.7% -30 -10.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-17 -100.0% -30 -100.0% 0 N/A% 0 N/A%
Parent functions
Composer\Autoload\ClassLoader::set0 N/A% -33 -194.1% -14 -46.7% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 N/A% 11 64.7% 9 30.0% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 N/A% 5 29.4% -10 -33.3% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 2 11.8% -3 -10.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -1 -5.9% 4 13.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -1 -5.9% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% -2 -6.7% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% -5 -16.7% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 0 0.0% 3 10.0% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 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%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -1 -3.3% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\FieldableDatabaseStorageController::mapFromStorageRecords0 N/A% 0 0.0% 1 3.3% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% -12 -40.0% 0 N/A% 0 N/A%