Diff Report
Run #51c24fd9b971a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51c25102ed66d: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51c24fd9b971aRun #51c25102ed66dDiffDiff%
Number of Function Calls2,308 2,312 4 0.2%
Incl. Wall Time (microsec)3,054 3,104 50 1.6%
Incl. Wall Time (microsec) per call 1 1 0 1.5%
Excl. Wall Time (microsec)3,054 3,104 50 1.6%
Incl. CPU (microsecs)5,185 5,235 50 1.0%
Incl. CPU (microsecs) per call 2 2 0 0.8%
Excl. CPU (microsec)5,185 5,235 50 1.0%
Incl. MemUse (bytes)117,448 117,624 176 0.1%
Incl. MemUse (bytes) per call 51 51 -0 -0.0%
Excl. MemUse (bytes)117,448 117,624 176 0.1%
Incl. PeakMemUse (bytes)21,520 21,520 0 0.0%
Incl. PeakMemUse (bytes) per call 9 9 -0 -0.2%
Excl. PeakMemUse (bytes)21,520 21,520 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
substr4 100.0% 50 0.3% 50 0.4% 176 0.3% 0 0.0%
Exclusive Metrics Diff for Current Function50 100.0% 50 100.0% 176 100.0% 0 N/A%
Parent functions
Twig_Environment::getCacheFilename4 100.0% 4 8.0% 7 14.0% 168 95.5% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 0.0% 0 0.0% 1 2.0% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 10 20.0% 15 30.0% 0 0.0% 0 N/A%
theme@10 0.0% 1 2.0% 2 4.0% 0 0.0% 0 N/A%
theme@20 0.0% 1 2.0% 2 4.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% 16 9.1% 0 N/A%
theme@30 0.0% 7 14.0% -13 -26.0% 0 0.0% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% -3 -6.0% -7 -14.0% 0 0.0% 0 N/A%
devel_silent0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -2 -4.0% -2 -4.0% 0 0.0% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% -3 -6.0% 50 100.0% -8 -4.5% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% 1 2.0% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 2 4.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -7 -14.0% 15 30.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 42 84.0% -20 -40.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% -4 -8.0% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% 1 2.0% 0 0.0% 0 N/A%