Diff Report
Run #51ca5414b31d9: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca54a312a65: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51ca5414b31d9Run #51ca54a312a65DiffDiff%
Number of Function Calls230 234 4 1.7%
Incl. Wall Time (microsec)268 275 7 2.6%
Incl. Wall Time (microsec) per call 1 1 0 0.9%
Excl. Wall Time (microsec)268 275 7 2.6%
Incl. CPU (microsecs)471 484 13 2.8%
Incl. CPU (microsecs) per call 2 2 0 1.0%
Excl. CPU (microsec)471 484 13 2.8%
Incl. MemUse (bytes)26,816 26,984 168 0.6%
Incl. MemUse (bytes) per call 117 115 -1 -1.1%
Excl. MemUse (bytes)26,816 26,984 168 0.6%
Incl. PeakMemUse (bytes)8,856 9,328 472 5.3%
Incl. PeakMemUse (bytes) per call 39 40 1 3.5%
Excl. PeakMemUse (bytes)8,856 9,328 472 5.3%

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% 7 0.6% 13 6.0% 168 0.2% 472 0.6%
Exclusive Metrics Diff for Current Function7 100.0% 13 100.0% 168 100.0% 472 100.0%
Parent functions
Twig_Environment::getCacheFilename4 100.0% 5 71.4% 7 53.8% 168 100.0% -88 -18.6%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 4 57.1% -9 -69.2% 0 0.0% 0 0.0%
theme@20 0.0% -1 -14.3% 5 38.5% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -1 -14.3% 1 7.7% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% -2 -15.4% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 0 0.0% 0 0.0% 560 118.6%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 5 38.5% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 0.0% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 1 7.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 7.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% -1 -7.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 6 46.2% 0 0.0% 0 0.0%