Diff Report
Run #52e96ef41921e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e96dacba2bc: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #52e96ef41921eRun #52e96dacba2bcDiffDiff%
Number of Function Calls277 277 0 0.0%
Incl. Wall Time (microsec)456 381 -75 -16.4%
Incl. Wall Time (microsec) per call 2 1 -0 -16.4%
Excl. Wall Time (microsec)456 381 -75 -16.4%
Incl. CPU (microsecs)724 673 -51 -7.0%
Incl. CPU (microsecs) per call 3 2 -0 -7.0%
Excl. CPU (microsec)724 673 -51 -7.0%
Incl. MemUse (bytes)43,864 43,864 0 0.0%
Incl. MemUse (bytes) per call 158 158 0 0.0%
Excl. MemUse (bytes)43,864 43,864 0 0.0%
Incl. PeakMemUse (bytes)12,632 12,632 0 0.0%
Incl. PeakMemUse (bytes) per call 46 46 0 0.0%
Excl. PeakMemUse (bytes)12,632 12,632 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% -75 -0.2% -51 -0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-75 -100.0% -51 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Uuid\Php::generate0 N/A% -23 -30.7% -27 -52.9% 0 N/A% 0 N/A%
Drupal\Core\Config\Entity\Query\Query::execute0 N/A% -13 -17.3% -7 -13.7% 0 N/A% 0 N/A%
theme@20 N/A% -10 -13.3% -9 -17.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -10 -13.3% -8 -15.7% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -7 -9.3% -16 -31.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::query0 N/A% -6 -8.0% -5 -9.8% 0 N/A% 0 N/A%
theme@10 N/A% -5 -6.7% -3 -5.9% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% -3 -4.0% -4 -7.8% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 2 2.7% 3 5.9% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 2 2.7% 2 3.9% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -1 -1.3% 14 27.5% 0 N/A% 0 N/A%
Drupal\Core\ParamConverter\EntityConverter::convert0 N/A% 1 1.3% 1 2.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -1 -1.3% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -1 -1.3% -2 -3.9% 0 N/A% 0 N/A%
twig_escape_filter0 N/A% 0 0.0% 2 3.9% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 0 0.0% 1 2.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 N/A% 0 0.0% 2 3.9% 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%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::findFile0 N/A% 0 0.0% 3 5.9% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% 0 0.0% 3 5.9% 0 N/A% 0 N/A%
theme0 N/A% 0 0.0% -1 -2.0% 0 N/A% 0 N/A%