Diff Report
Run #523f01900df5c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f024cca254: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #523f01900df5cRun #523f024cca254DiffDiff%
Number of Function Calls1,233 1,237 4 0.3%
Incl. Wall Time (microsec)421 440 19 4.5%
Incl. Wall Time (microsec) per call 0 0 0 4.2%
Excl. Wall Time (microsec)421 440 19 4.5%
Incl. CPU (microsecs)1,455 1,467 12 0.8%
Incl. CPU (microsecs) per call 1 1 0 0.5%
Excl. CPU (microsec)1,455 1,467 12 0.8%
Incl. MemUse (bytes)72,856 72,992 136 0.2%
Incl. MemUse (bytes) per call 59 59 -0 -0.1%
Excl. MemUse (bytes)72,856 72,992 136 0.2%
Incl. PeakMemUse (bytes)11,680 11,656 -24 -0.2%
Incl. PeakMemUse (bytes) per call 9 9 -0 -0.5%
Excl. PeakMemUse (bytes)11,680 11,656 -24 -0.2%

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
substr4 100.0% 19 3.2% 12 2.8% 136 0.3% -24 -0.1%
Exclusive Metrics Diff for Current Function19 100.0% 12 100.0% 136 100.0% -24 -100.0%
Parent functions
Twig_Environment::getCacheFilename4 100.0% 2 10.5% -6 -50.0% 168 123.5% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 0.0% 1 5.3% 1 8.3% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse0 0.0% 0 0.0% 1 8.3% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 0.0% 0 0.0% -2 -16.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 2 16.7% 0 0.0% 0 0.0%
Drupal\Core\Routing\UrlGenerator::generateFromPath0 0.0% -1 -5.3% 0 0.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocLexer::getType0 0.0% -1 -5.3% 3 25.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse@10 0.0% 0 0.0% -1 -8.3% 0 0.0% 0 0.0%
theme@20 0.0% -1 -5.3% 7 58.3% 0 0.0% 0 0.0%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% 2 16.7% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespace0 0.0% 0 0.0% -3 -25.0% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 3 25.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::set0 0.0% 0 0.0% -3 -25.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 1 5.3% -2 -16.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFile0 0.0% 20 105.3% -11 -91.7% -32 -23.5% -24 -100.0%
drupal_settings_initialize0 0.0% 0 0.0% 3 25.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -1 -5.3% -5 -41.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 5.3% 2 16.7% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::addField0 0.0% 0 0.0% 4 33.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -1 -5.3% 4 33.3% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 13 108.3% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% -1 -5.3% 1 8.3% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% -1 -8.3% 0 0.0% 0 0.0%