Diff Report
Run #523f527beec76: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f531e517da: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #523f527beec76Run #523f531e517daDiffDiff%
Number of Function Calls1,435 1,439 4 0.3%
Incl. Wall Time (microsec)628 488 -140 -22.3%
Incl. Wall Time (microsec) per call 0 0 -0 -22.5%
Excl. Wall Time (microsec)628 488 -140 -22.3%
Incl. CPU (microsecs)1,867 1,757 -110 -5.9%
Incl. CPU (microsecs) per call 1 1 -0 -6.2%
Excl. CPU (microsec)1,867 1,757 -110 -5.9%
Incl. MemUse (bytes)161,560 161,744 184 0.1%
Incl. MemUse (bytes) per call 113 112 -0 -0.2%
Excl. MemUse (bytes)161,560 161,744 184 0.1%
Incl. PeakMemUse (bytes)24,368 24,464 96 0.4%
Incl. PeakMemUse (bytes) per call 17 17 0 0.1%
Excl. PeakMemUse (bytes)24,368 24,464 96 0.4%

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% -140 -3.4% -110 -1.5% 184 0.7% 96 0.4%
Exclusive Metrics Diff for Current Function-140 -100.0% -110 -100.0% 184 100.0% 96 100.0%
Parent functions
Twig_Environment::getCacheFilename4 100.0% -3 -2.1% 2 1.8% 168 91.3% 0 0.0%
Doctrine\Common\Annotations\DocLexer::getType0 0.0% -1 -0.7% 1 0.9% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse0 0.0% 0 0.0% 1 0.9% 24 13.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 0.0% 0 0.0% -2 -1.8% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse@10 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 0.0% -1 -0.7% -1 -0.9% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\QueryBase::getNamespace0 0.0% 2 1.4% 2 1.8% 16 8.7% 0 0.0%
theme@20 0.0% 0 0.0% -2 -1.8% 0 0.0% 0 0.0%
theme@30 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Tables::addField0 0.0% 1 0.7% -1 -0.9% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 6 4.3% 7 6.4% 0 0.0% 64 66.7%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -49 -35.0% -43 -39.1% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 6 4.3% 12 10.9% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::findFile0 0.0% -90 -64.3% -80 -72.7% -24 -13.0% 32 33.3%
drupal_settings_initialize0 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -5 -3.6% -5 -4.5% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% -2 -1.4% -2 -1.8% 0 0.0% 0 0.0%
devel_silent0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -6 -4.3% 1 0.9% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 2 1.4% -4 -3.6% 0 0.0% 0 0.0%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% -1 -0.9% 0 0.0% 0 0.0%
Composer\Autoload\ClassLoader::set0 0.0% 0 0.0% 3 2.7% 0 0.0% 0 0.0%