Diff Report
Run #51ba93c3db76f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51ba929760d1b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #51ba93c3db76fRun #51ba929760d1bDiffDiff%
Number of Function Calls3,489 3,489 0 0.0%
Incl. Wall Time (microsec)1,074 918 -156 -14.5%
Incl. Wall Time (microsec) per call 0 0 -0 -14.5%
Excl. Wall Time (microsec)1,074 918 -156 -14.5%
Incl. CPU (microsecs)4,174 4,203 29 0.7%
Incl. CPU (microsecs) per call 1 1 0 0.7%
Excl. CPU (microsec)4,174 4,203 29 0.7%
Incl. MemUse (bytes)144,160 144,160 0 0.0%
Incl. MemUse (bytes) per call 41 41 0 0.0%
Excl. MemUse (bytes)144,160 144,160 0 0.0%
Incl. PeakMemUse (bytes)7,672 7,672 0 0.0%
Incl. PeakMemUse (bytes) per call 2 2 0 0.0%
Excl. PeakMemUse (bytes)7,672 7,672 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% -156 -22.0% 29 2.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-156 -100.0% 29 100.0% 0 N/A% 0 N/A%
Parent functions
theme@30 N/A% -126 -80.8% 7 24.1% 0 N/A% 0 N/A%
PHPUnit_Util_Test::parseAnnotations0 N/A% -10 -6.4% 16 55.2% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -10 -6.4% -10 -34.5% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% -5 -3.2% 5 17.2% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -5 -3.2% -5 -17.2% 0 N/A% 0 N/A%
theme@20 N/A% -3 -1.9% -5 -17.2% 0 N/A% 0 N/A%
PHPUnit_Framework_TestSuite::addTestFile0 N/A% 3 1.9% 4 13.8% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -2 -1.3% 4 13.8% 0 N/A% 0 N/A%
File_Iterator::acceptSubString0 N/A% 1 0.6% 10 34.5% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% 1 0.6% 2 6.9% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 1 3.4% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 N/A% 0 0.0% 1 3.4% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% -3 -10.3% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 N/A% 0 0.0% -2 -6.9% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% 3 10.3% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 1 3.4% 0 N/A% 0 N/A%