Diff Report
Run #51c24fd9b971a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51c2508074568: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51c24fd9b971aRun #51c2508074568DiffDiff%
Number of Function Calls2,308 2,308 0 0.0%
Incl. Wall Time (microsec)3,054 3,048 -6 -0.2%
Incl. Wall Time (microsec) per call 1 1 -0 -0.2%
Excl. Wall Time (microsec)3,054 3,048 -6 -0.2%
Incl. CPU (microsecs)5,185 5,191 6 0.1%
Incl. CPU (microsecs) per call 2 2 0 0.1%
Excl. CPU (microsec)5,185 5,191 6 0.1%
Incl. MemUse (bytes)117,448 117,448 0 0.0%
Incl. MemUse (bytes) per call 51 51 0 0.0%
Excl. MemUse (bytes)117,448 117,448 0 0.0%
Incl. PeakMemUse (bytes)21,520 21,520 0 0.0%
Incl. PeakMemUse (bytes) per call 9 9 0 0.0%
Excl. PeakMemUse (bytes)21,520 21,520 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% -6 -0.6% 6 0.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-6 -100.0% 6 100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% -5 -83.3% 31 516.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -5 -83.3% -2 -33.3% 0 N/A% 0 N/A%
theme@30 N/A% 4 66.7% -25 -416.7% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 N/A% -3 -50.0% -6 -100.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 2 33.3% -13 -216.7% 0 N/A% 0 N/A%
theme@10 N/A% 1 16.7% 0 0.0% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 N/A% 1 16.7% -1 -16.7% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -1 -16.7% -1 -16.7% 0 N/A% 0 N/A%
theme@20 N/A% 1 16.7% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -1 -16.7% 12 200.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 N/A% 0 0.0% 1 16.7% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% -1 -16.7% 0 N/A% 0 N/A%
devel_silent0 N/A% 0 0.0% 1 16.7% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -1 -16.7% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -1 -16.7% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 16.7% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 11 183.3% 0 N/A% 0 N/A%