Diff Report
Run #51b89dd280f98: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b89ec98250c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51b89dd280f98Run #51b89ec98250cDiffDiff%
Number of Function Calls2,091 2,095 4 0.2%
Incl. Wall Time (microsec)2,470 2,537 67 2.7%
Incl. Wall Time (microsec) per call 1 1 0 2.5%
Excl. Wall Time (microsec)2,470 2,537 67 2.7%
Incl. CPU (microsecs)4,462 4,576 114 2.6%
Incl. CPU (microsecs) per call 2 2 0 2.4%
Excl. CPU (microsec)4,462 4,576 114 2.6%
Incl. MemUse (bytes)109,488 109,672 184 0.2%
Incl. MemUse (bytes) per call 52 52 -0 -0.0%
Excl. MemUse (bytes)109,488 109,672 184 0.2%
Incl. PeakMemUse (bytes)17,632 17,520 -112 -0.6%
Incl. PeakMemUse (bytes) per call 8 8 -0 -0.8%
Excl. PeakMemUse (bytes)17,632 17,520 -112 -0.6%

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% 67 0.5% 114 0.8% 184 0.3% -112 -0.2%
Exclusive Metrics Diff for Current Function67 100.0% 114 100.0% 184 100.0% -112 -100.0%
Parent functions
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 30 44.8% 25 21.9% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 24 21.1% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 27 40.3% 17 14.9% 0 0.0% 0 0.0%
theme@30 0.0% 4 6.0% 12 10.5% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 5 7.5% 7 6.1% 0 0.0% 0 0.0%
theme@20 0.0% 1 1.5% 7 6.1% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 1 1.5% 6 5.3% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 6 5.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% -1 -1.5% 5 4.4% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename4 100.0% 5 7.5% 4 3.5% 168 91.3% 0 0.0%
theme@10 0.0% 1 1.5% -2 -1.8% 0 0.0% -112 -100.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 2 1.8% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% -6 -9.0% 2 1.8% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 0.0% 0 0.0% -1 -0.9% 16 8.7% 0 0.0%
devel_silent0 0.0% 0 0.0% -1 -0.9% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 1 0.9% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%