Diff Report
Run #520840e157983: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5208407650493: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #520840e157983Run #5208407650493DiffDiff%
Number of Function Calls308 303 -5 -1.6%
Incl. Wall Time (microsec)89 92 3 3.4%
Incl. Wall Time (microsec) per call 0 0 0 5.1%
Excl. Wall Time (microsec)89 92 3 3.4%
Incl. CPU (microsecs)371 374 3 0.8%
Incl. CPU (microsecs) per call 1 1 0 2.5%
Excl. CPU (microsec)371 374 3 0.8%
Incl. MemUse (bytes)31,912 31,736 -176 -0.6%
Incl. MemUse (bytes) per call 104 105 1 1.1%
Excl. MemUse (bytes)31,912 31,736 -176 -0.6%
Incl. PeakMemUse (bytes)9,432 8,056 -1,376 -14.6%
Incl. PeakMemUse (bytes) per call 31 27 -4 -13.2%
Excl. PeakMemUse (bytes)9,432 8,056 -1,376 -14.6%

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
substr-5 -100.0% 3 1.3% 3 0.3% -176 -0.6% -1,376 -4.7%
Exclusive Metrics Diff for Current Function3 100.0% 3 100.0% -176 -100.0% -1,376 -100.0%
Parent functions
theme@142 840.0% 5 166.7% 65 2166.7% 1,344 763.6% -560 -40.7%
theme@2-43 -860.0% -4 -133.3% -50 -1666.7% -1,376 -781.8% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -2 -66.7% -6 -200.0% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 0.0% 2 66.7% 4 133.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% -2 -66.7% -4 -133.3% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -80.0% 2 66.7% -9 -300.0% -168 -95.5% -784 -57.0%
Drupal\Component\Uuid\Php::generate0 0.0% 2 66.7% -3 -100.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocLexer::getType0 0.0% -1 -33.3% 6 200.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 1 33.3% -2 -66.7% 24 13.6% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse0 0.0% 0 0.0% 4 133.3% 0 0.0% 0 0.0%
Drupal\Component\Utility\Url::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 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%
Drupal\Core\ParamConverter\EntityConverter::convert0 0.0% 0 0.0% -1 -33.3% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 1 33.3% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 2 66.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -3 -100.0% 0 0.0% -32 -2.3%
Drupal\Core\Authentication\AuthenticationManager::addProvider0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
theme0 0.0% 0 0.0% -4 -133.3% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 33.3% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 0.0% 0 0.0% 2 66.7% 0 0.0% 0 0.0%