Diff Report
Run #51b89eaf4e36e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b89dd280f98: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51b89eaf4e36eRun #51b89dd280f98DiffDiff%
Number of Function Calls2,091 2,091 0 0.0%
Incl. Wall Time (microsec)2,579 2,470 -109 -4.2%
Incl. Wall Time (microsec) per call 1 1 -0 -4.2%
Excl. Wall Time (microsec)2,579 2,470 -109 -4.2%
Incl. CPU (microsecs)4,564 4,462 -102 -2.2%
Incl. CPU (microsecs) per call 2 2 -0 -2.2%
Excl. CPU (microsec)4,564 4,462 -102 -2.2%
Incl. MemUse (bytes)109,488 109,488 0 0.0%
Incl. MemUse (bytes) per call 52 52 0 0.0%
Excl. MemUse (bytes)109,488 109,488 0 0.0%
Incl. PeakMemUse (bytes)17,632 17,632 0 0.0%
Incl. PeakMemUse (bytes) per call 8 8 0 0.0%
Excl. PeakMemUse (bytes)17,632 17,632 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% -109 -15.5% -102 -4.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-109 -100.0% -102 -100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -74 -67.9% -50 -49.0% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% -33 -30.3% 17 16.7% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% -6 -5.5% -1 -1.0% 0 N/A% 0 N/A%
theme@30 N/A% 3 2.8% -22 -21.6% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 1 0.9% -11 -10.8% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 1 0.9% -18 -17.6% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% -1 -0.9% -1 -1.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 6 5.9% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% -7 -6.9% 0 N/A% 0 N/A%
devel_silent0 N/A% 0 0.0% 1 1.0% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 1 1.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% -5 -4.9% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% -9 -8.8% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% -2 -2.0% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 N/A% 0 0.0% -1 -1.0% 0 N/A% 0 N/A%