Diff Report
Run #51ca5476d8061: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5414b31d9: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51ca5476d8061Run #51ca5414b31d9DiffDiff%
Number of Function Calls230 230 0 0.0%
Incl. Wall Time (microsec)269 268 -1 -0.4%
Incl. Wall Time (microsec) per call 1 1 -0 -0.4%
Excl. Wall Time (microsec)269 268 -1 -0.4%
Incl. CPU (microsecs)503 471 -32 -6.4%
Incl. CPU (microsecs) per call 2 2 -0 -6.4%
Excl. CPU (microsec)503 471 -32 -6.4%
Incl. MemUse (bytes)26,816 26,816 0 0.0%
Incl. MemUse (bytes) per call 117 117 0 0.0%
Excl. MemUse (bytes)26,816 26,816 0 0.0%
Incl. PeakMemUse (bytes)8,856 8,856 0 0.0%
Incl. PeakMemUse (bytes) per call 39 39 0 0.0%
Excl. PeakMemUse (bytes)8,856 8,856 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% -1 -0.1% -32 -8.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -100.0% -32 -100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -3 -300.0% 5 15.6% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 1 100.0% -1 -3.1% 0 N/A% 0 N/A%
theme@20 N/A% 1 100.0% -3 -9.4% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -1 -100.0% -3 -9.4% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 1 100.0% -13 -40.6% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% -1 -3.1% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -7 -21.9% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 N/A% 0 0.0% 2 6.2% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -2 -6.2% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 N/A% 0 0.0% 2 6.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% -11 -34.4% 0 N/A% 0 N/A%