Diff Report
Run #519ffa0e6cdec: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ffa6332b29: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519ffa0e6cdecRun #519ffa6332b29DiffDiff%
Number of Function Calls95 103 8 8.4%
Incl. Wall Time (microsec)12 11 -1 -8.3%
Incl. Wall Time (microsec) per call 0 0 -0 -15.5%
Excl. Wall Time (microsec)12 11 -1 -8.3%
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)38,648 38,984 336 0.9%
Incl. MemUse (bytes) per call 407 378 -28 -7.0%
Excl. MemUse (bytes)38,648 38,984 336 0.9%
Incl. PeakMemUse (bytes)32,464 32,464 0 0.0%
Incl. PeakMemUse (bytes) per call 342 315 -27 -7.8%
Excl. PeakMemUse (bytes)32,464 32,464 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
substr8 100.0% -1 -0.0% 0 0.0% 336 0.5% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -100.0% 0 N/A% 336 100.0% 0 N/A%
Parent functions
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -1 -100.0% 0 N/A% 0 0.0% 0 N/A%
request_path0 0.0% 1 100.0% 0 N/A% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -1 -100.0% 0 N/A% 0 0.0% 0 N/A%
theme@10 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename8 100.0% 0 0.0% 0 N/A% 336 100.0% 0 N/A%
theme@30 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
theme@50 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
theme@20 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
theme@40 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
contextual_custom_theme0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
editor_custom_theme0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
edit_custom_theme0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 0 0.0% 0 N/A% 0 0.0% 0 N/A%