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

substrRun #51aaed0fcbd4eRun #51aaed996e9e3DiffDiff%
Number of Function Calls155 159 4 2.6%
Incl. Wall Time (microsec)39 39 0 0.0%
Incl. Wall Time (microsec) per call 0 0 -0 -2.5%
Excl. Wall Time (microsec)39 39 0 0.0%
Incl. CPU (microsecs)212 205 -7 -3.3%
Incl. CPU (microsecs) per call 1 1 -0 -5.7%
Excl. CPU (microsec)212 205 -7 -3.3%
Incl. MemUse (bytes)32,336 32,504 168 0.5%
Incl. MemUse (bytes) per call 209 204 -4 -2.0%
Excl. MemUse (bytes)32,336 32,504 168 0.5%
Incl. PeakMemUse (bytes)14,032 14,000 -32 -0.2%
Incl. PeakMemUse (bytes) per call 91 88 -2 -2.7%
Excl. PeakMemUse (bytes)14,032 14,000 -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
substr4 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::getCacheFilename4 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%