Diff Report
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5ac5912c3: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51ca5a4995c23Run #51ca5ac5912c3DiffDiff%
Number of Function Calls250 250 0 0.0%
Incl. Wall Time (microsec)312 303 -9 -2.9%
Incl. Wall Time (microsec) per call 1 1 -0 -2.9%
Excl. Wall Time (microsec)312 303 -9 -2.9%
Incl. CPU (microsecs)563 548 -15 -2.7%
Incl. CPU (microsecs) per call 2 2 -0 -2.7%
Excl. CPU (microsec)563 548 -15 -2.7%
Incl. MemUse (bytes)45,864 45,864 0 0.0%
Incl. MemUse (bytes) per call 183 183 0 0.0%
Excl. MemUse (bytes)45,864 45,864 0 0.0%
Incl. PeakMemUse (bytes)25,712 25,712 0 0.0%
Incl. PeakMemUse (bytes) per call 103 103 0 0.0%
Excl. PeakMemUse (bytes)25,712 25,712 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% -9 -2.6% -15 -0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-9 -100.0% -15 -100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -6 -66.7% -10 -66.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -2 -22.2% -12 -80.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -1 -11.1% 1 6.7% 0 N/A% 0 N/A%
theme@10 N/A% 1 11.1% 1 6.7% 0 N/A% 0 N/A%
theme@30 N/A% 1 11.1% 4 26.7% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% -1 -11.1% 1 6.7% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 N/A% -1 -11.1% 0 0.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% -1 -6.7% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 N/A% 0 0.0% -1 -6.7% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
devel_silent0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 4 26.7% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% -2 -13.3% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 3 20.0% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -2 -13.3% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 N/A% 0 0.0% -1 -6.7% 0 N/A% 0 N/A%
theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%