Diff Report
Run #53195a48b6f09: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53195bb0cc668: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for substr

substrRun #53195a48b6f09Run #53195bb0cc668DiffDiff%
Number of Function Calls3,940 3,952 12 0.3%
Incl. Wall Time (microsec)2,084 1,998 -86 -4.1%
Incl. Wall Time (microsec) per call 1 1 -0 -4.4%
Excl. Wall Time (microsec)2,084 1,998 -86 -4.1%
Incl. CPU (microsecs)5,025 4,915 -110 -2.2%
Incl. CPU (microsecs) per call 1 1 -0 -2.5%
Excl. CPU (microsec)5,025 4,915 -110 -2.2%
Incl. MemUse (bytes)147,584 148,336 752 0.5%
Incl. MemUse (bytes) per call 37 38 0 0.2%
Excl. MemUse (bytes)147,584 148,336 752 0.5%
Incl. PeakMemUse (bytes)12,552 12,944 392 3.1%
Incl. PeakMemUse (bytes) per call 3 3 0 2.8%
Excl. PeakMemUse (bytes)12,552 12,944 392 3.1%

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
substr12 100.0% -86 -2.5% -110 -3.2% 752 0.2% 392 0.1%
Exclusive Metrics Diff for Current Function-86 -100.0% -110 -100.0% 752 100.0% 392 100.0%
Parent functions
Symfony\Component\Yaml\Inline::parseScalar0 0.0% -73 -84.9% -44 -40.0% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Inline::parseQuotedScalar0 0.0% -12 -14.0% -20 -18.2% 0 0.0% 0 0.0%
Drupal\Core\Extension\Discovery\RecursiveExtensionFilterIterator::accept0 0.0% -10 -11.6% -49 -44.5% 40 5.3% 88 22.4%
Symfony\Component\Yaml\Inline::parse0 0.0% 8 9.3% 12 10.9% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFile0 0.0% 7 8.1% -2 -1.8% 8 1.1% 440 112.2%
Symfony\Component\Yaml\Parser::getNextEmbedBlock0 0.0% -5 -5.8% 3 2.7% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename12 100.0% 4 4.7% 19 17.3% 696 92.6% -136 -34.7%
Drupal\Core\Config\Entity\Query\Query::loadRecords0 0.0% -4 -4.7% -8 -7.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 3 3.5% 6 5.5% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -3 -3.5% -10 -9.1% -8 -1.1% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% -2 -2.3% 9 8.2% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 1 1.2% -17 -15.5% 0 0.0% 0 0.0%
_theme@10 0.0% 0 0.0% 4 3.6% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% -3 -2.7% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::processPath0 0.0% 0 0.0% 2 1.8% 16 2.1% 0 0.0%
_theme@20 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlHelper::stripDangerousProtocols0 0.0% 0 0.0% -1 -0.9% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% -4 -3.6% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespaces0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% -8 -7.3% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 2 1.8% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% -1 -0.9% 0 0.0% 0 0.0%
_drupal_request_initialize0 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -1 -0.9% 0 0.0% 0 0.0%