Diff Report
Run #523f527beec76: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f52fbabfcb: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #523f527beec76Run #523f52fbabfcbDiffDiff%
Number of Function Calls1,435 1,435 0 0.0%
Incl. Wall Time (microsec)628 537 -91 -14.5%
Incl. Wall Time (microsec) per call 0 0 -0 -14.5%
Excl. Wall Time (microsec)628 537 -91 -14.5%
Incl. CPU (microsecs)1,867 1,773 -94 -5.0%
Incl. CPU (microsecs) per call 1 1 -0 -5.0%
Excl. CPU (microsec)1,867 1,773 -94 -5.0%
Incl. MemUse (bytes)161,560 161,560 0 0.0%
Incl. MemUse (bytes) per call 113 113 0 0.0%
Excl. MemUse (bytes)161,560 161,560 0 0.0%
Incl. PeakMemUse (bytes)24,368 24,368 0 0.0%
Incl. PeakMemUse (bytes) per call 17 17 0 0.0%
Excl. PeakMemUse (bytes)24,368 24,368 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% -91 -2.3% -94 -1.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-91 -100.0% -94 -100.0% 0 N/A% 0 N/A%
Parent functions
Composer\Autoload\ClassLoader::findFile0 N/A% -53 -58.2% -49 -52.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -41 -45.1% -47 -50.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 5 5.5% -8 -8.5% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 4 4.4% 7 7.4% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 2 2.2% 5 5.3% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::set0 N/A% 0 0.0% 5 5.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 1 1.1% 5 5.3% 0 N/A% 0 N/A%
theme@20 N/A% -2 -2.2% -4 -4.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -5 -5.5% -4 -4.3% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\QueryBase::getNamespace0 N/A% 1 1.1% 3 3.2% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -3 -3.3% 3 3.2% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocLexer::getType0 N/A% -1 -1.1% -2 -2.1% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 2 2.1% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Tables::addField0 N/A% -1 -1.1% -2 -2.1% 0 N/A% 0 N/A%
theme@30 N/A% 1 1.1% -2 -2.1% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse0 N/A% 0 0.0% -2 -2.1% 0 N/A% 0 N/A%
Symfony\Component\Routing\Generator\UrlGenerator::doGenerate0 N/A% 0 0.0% 2 2.1% 0 N/A% 0 N/A%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 N/A% 2 2.2% -2 -2.1% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -1 -1.1% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -1 -1.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Url::stripDangerousProtocols0 N/A% 2 2.2% 1 1.1% 0 N/A% 0 N/A%
Doctrine\Common\Annotations\DocParser::parse@10 N/A% 0 0.0% -1 -1.1% 0 N/A% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 N/A% -1 -1.1% -1 -1.1% 0 N/A% 0 N/A%
Doctrine\Common\Reflection\StaticReflectionParser::parse0 N/A% -1 -1.1% -1 -1.1% 0 N/A% 0 N/A%
devel_silent0 N/A% -1 -1.1% 0 0.0% 0 N/A% 0 N/A%