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

substrRun #52e96dacba2bcRun #52e96ef41921eDiffDiff%
Number of Function Calls277 277 0 0.0%
Incl. Wall Time (microsec)381 456 75 19.7%
Incl. Wall Time (microsec) per call 1 2 0 19.7%
Excl. Wall Time (microsec)381 456 75 19.7%
Incl. CPU (microsecs)673 724 51 7.6%
Incl. CPU (microsecs) per call 2 3 0 7.6%
Excl. CPU (microsec)673 724 51 7.6%
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 Function75 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%