Diff Report
Run #51ca5b0eb2b08: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51ca5b0eb2b08Run #51ca5a4995c23DiffDiff%
Number of Function Calls262 250 -12 -4.6%
Incl. Wall Time (microsec)318 312 -6 -1.9%
Incl. Wall Time (microsec) per call 1 1 0 2.8%
Excl. Wall Time (microsec)318 312 -6 -1.9%
Incl. CPU (microsecs)588 563 -25 -4.3%
Incl. CPU (microsecs) per call 2 2 0 0.3%
Excl. CPU (microsec)588 563 -25 -4.3%
Incl. MemUse (bytes)46,344 45,864 -480 -1.0%
Incl. MemUse (bytes) per call 177 183 7 3.7%
Excl. MemUse (bytes)46,344 45,864 -480 -1.0%
Incl. PeakMemUse (bytes)25,680 25,712 32 0.1%
Incl. PeakMemUse (bytes) per call 98 103 5 4.9%
Excl. PeakMemUse (bytes)25,680 25,712 32 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-12 -100.0% -6 -0.2% -25 -1.0% -480 -0.2% 32 0.0%
Exclusive Metrics Diff for Current Function-6 -100.0% -25 -100.0% -480 -100.0% 32 100.0%
Parent functions
Twig_Environment::getCacheFilename-12 -100.0% -13 -216.7% -27 -108.0% -504 -105.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 3 50.0% 6 24.0% 16 3.3% 32 100.0%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 0.0% 1 16.7% 1 4.0% 0 0.0% 0 0.0%
theme@20 0.0% 1 16.7% 4 16.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 1 16.7% 1 4.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 1 16.7% -5 -20.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 0.0% 0 0.0% 1 4.0% 8 1.7% 0 0.0%
theme@30 0.0% 0 0.0% -1 -4.0% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
theme0 0.0% 0 0.0% -1 -4.0% 0 0.0% 0 0.0%
devel_silent0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -5 -20.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 2 8.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -1 -4.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% -2 -8.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% 2 8.0% 0 0.0% 0 0.0%