Diff Report
Run #51ad02c47d041: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad024086f90: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51ad02c47d041Run #51ad024086f90DiffDiff%
Number of Function Calls906 890 -16 -1.8%
Incl. Wall Time (microsec)436 422 -14 -3.2%
Incl. Wall Time (microsec) per call 0 0 -0 -1.5%
Excl. Wall Time (microsec)436 422 -14 -3.2%
Incl. CPU (microsecs)1,186 1,165 -21 -1.8%
Incl. CPU (microsecs) per call 1 1 -0 -0.0%
Excl. CPU (microsec)1,186 1,165 -21 -1.8%
Incl. MemUse (bytes)62,360 61,704 -656 -1.1%
Incl. MemUse (bytes) per call 69 69 1 0.7%
Excl. MemUse (bytes)62,360 61,704 -656 -1.1%
Incl. PeakMemUse (bytes)12,136 12,096 -40 -0.3%
Incl. PeakMemUse (bytes) per call 13 14 0 1.5%
Excl. PeakMemUse (bytes)12,136 12,096 -40 -0.3%

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
substr-16 -100.0% -14 -0.3% -21 -0.7% -656 -0.4% -40 -0.0%
Exclusive Metrics Diff for Current Function-14 -100.0% -21 -100.0% -656 -100.0% -40 -100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% -6 -42.9% 3 14.3% 16 2.4% -40 -100.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -5 -35.7% 4 19.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-16 -100.0% -3 -21.4% -20 -95.2% -672 -102.4% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 3 21.4% -1 -4.8% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -3 -21.4% -2 -9.5% 0 0.0% 0 0.0%
theme@20 0.0% -3 -21.4% -2 -9.5% 0 0.0% 0 0.0%
devel_silent0 0.0% 1 7.1% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 7.1% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 1 7.1% -2 -9.5% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% 1 4.8% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 0.0% 0 0.0% -1 -4.8% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 2 9.5% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% -2 -9.5% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% -1 -4.8% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%