Diff Report
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af430daedb2: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #51af3d98520b7Run #51af430daedb2DiffDiff%
Number of Function Calls795 795 0 0.0%
Incl. Wall Time (microsec)877 850 -27 -3.1%
Incl. Wall Time (microsec) per call 1 1 -0 -3.1%
Excl. Wall Time (microsec)877 850 -27 -3.1%
Incl. CPU (microsecs)1,634 1,595 -39 -2.4%
Incl. CPU (microsecs) per call 2 2 -0 -2.4%
Excl. CPU (microsec)1,634 1,595 -39 -2.4%
Incl. MemUse (bytes)77,176 77,176 0 0.0%
Incl. MemUse (bytes) per call 97 97 0 0.0%
Excl. MemUse (bytes)77,176 77,176 0 0.0%
Incl. PeakMemUse (bytes)22,928 22,928 0 0.0%
Incl. PeakMemUse (bytes) per call 29 29 0 0.0%
Excl. PeakMemUse (bytes)22,928 22,928 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% -27 -2.0% -39 -2.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-27 -100.0% -39 -100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% -24 -88.9% -36 -92.3% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -3 -11.1% -5 -12.8% 0 N/A% 0 N/A%
request_path0 N/A% -1 -3.7% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 1 3.7% 4 10.3% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% -3 -7.7% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 N/A% 0 0.0% -1 -2.6% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 3 7.7% 0 N/A% 0 N/A%
Drupal\Component\Utility\Xss::split0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 1 2.6% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 2 5.1% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -2 -5.1% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% -1 -2.6% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% -1 -2.6% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%