Diff Report
Run #51a18f1daaf9e: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a18dd97f04c: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for substr

substrRun #51a18f1daaf9eRun #51a18dd97f04cDiffDiff%
Number of Function Calls528 520 -8 -1.5%
Incl. Wall Time (microsec)649 600 -49 -7.6%
Incl. Wall Time (microsec) per call 1 1 -0 -6.1%
Excl. Wall Time (microsec)649 600 -49 -7.6%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)90,408 90,164 -244 -0.3%
Incl. MemUse (bytes) per call 171 173 2 1.3%
Excl. MemUse (bytes)90,408 90,164 -244 -0.3%
Incl. PeakMemUse (bytes)49,120 49,160 40 0.1%
Incl. PeakMemUse (bytes) per call 93 95 2 1.6%
Excl. PeakMemUse (bytes)49,120 49,160 40 0.1%

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-8 -100.0% -49 -0.3% 0 0.0% -244 -0.7% 40 0.1%
Exclusive Metrics Diff for Current Function-49 -100.0% 0 N/A% -244 -100.0% 40 100.0%
Parent functions
url0 0.0% -21 -42.9% 0 N/A% -12 -4.9% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -19 -38.8% 0 N/A% 0 0.0% 40 100.0%
Twig_Environment::getCacheFilename-8 -100.0% -6 -12.2% 0 N/A% -232 -95.1% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -2 -4.1% 0 N/A% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% -1 -2.0% 0 N/A% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% -1 -2.0% 0 N/A% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 1 2.0% 0 N/A% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% -1 -2.0% 0 N/A% 0 0.0% 0 0.0%
theme@20 0.0% 1 2.0% 0 N/A% 0 0.0% 0 0.0%
theme@30 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 0.0%