Diff Report
Run #51aaed996e9e3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #51aaed996e9e3Run #51aaed0fcbd4eDiffDiff%
Number of Function Calls159 155 -4 -2.5%
Incl. Wall Time (microsec)39 39 0 0.0%
Incl. Wall Time (microsec) per call 0 0 0 2.6%
Excl. Wall Time (microsec)39 39 0 0.0%
Incl. CPU (microsecs)205 212 7 3.4%
Incl. CPU (microsecs) per call 1 1 0 6.1%
Excl. CPU (microsec)205 212 7 3.4%
Incl. MemUse (bytes)32,504 32,336 -168 -0.5%
Incl. MemUse (bytes) per call 204 209 4 2.1%
Excl. MemUse (bytes)32,504 32,336 -168 -0.5%
Incl. PeakMemUse (bytes)14,000 14,032 32 0.2%
Incl. PeakMemUse (bytes) per call 88 91 2 2.8%
Excl. PeakMemUse (bytes)14,000 14,032 32 0.2%

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-4 -100.0% 0 0.0% 7 1.6% -168 -0.3% 32 0.0%
Exclusive Metrics Diff for Current Function0 N/A% 7 100.0% -168 -100.0% 32 100.0%
Parent functions
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -3 N/A% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 2 N/A% 1 14.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -2 N/A% 2 28.6% 0 0.0% 32 100.0%
Twig_Environment::getCacheFilename-4 -100.0% 1 N/A% 2 28.6% -168 -100.0% 0 0.0%
theme@40 0.0% 1 N/A% 0 0.0% 0 0.0% 0 0.0%
theme@30 0.0% 1 N/A% 2 28.6% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 N/A% -1 -14.3% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 0.0% 0 N/A% -1 -14.3% 0 0.0% 0 0.0%
theme@10 0.0% 0 N/A% 0 0.0% 0 0.0% 0 0.0%
theme@20 0.0% 0 N/A% 2 28.6% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 N/A% 1 14.3% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 N/A% -3 -42.9% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 N/A% -1 -14.3% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 N/A% 0 0.0% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 N/A% -1 -14.3% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 N/A% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 N/A% 0 0.0% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 N/A% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 N/A% 4 57.1% 0 0.0% 0 0.0%