Diff Report
Run #51ba946b609ed: 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 #51ba946b609edRun #51ba929760d1bDiffDiff%
Number of Function Calls3,489 3,489 0 0.0%
Incl. Wall Time (microsec)955 918 -37 -3.9%
Incl. Wall Time (microsec) per call 0 0 -0 -3.9%
Excl. Wall Time (microsec)955 918 -37 -3.9%
Incl. CPU (microsecs)4,252 4,203 -49 -1.2%
Incl. CPU (microsecs) per call 1 1 -0 -1.2%
Excl. CPU (microsec)4,252 4,203 -49 -1.2%
Incl. MemUse (bytes)144,464 144,160 -304 -0.2%
Incl. MemUse (bytes) per call 41 41 -0 -0.2%
Excl. MemUse (bytes)144,464 144,160 -304 -0.2%
Incl. PeakMemUse (bytes)7,480 7,672 192 2.6%
Incl. PeakMemUse (bytes) per call 2 2 0 2.6%
Excl. PeakMemUse (bytes)7,480 7,672 192 2.6%

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
substr0 N/A% -37 -0.0% -49 -0.0% -304 -0.0% 192 0.0%
Exclusive Metrics Diff for Current Function-37 -100.0% -49 -100.0% -304 -100.0% 192 100.0%
Parent functions
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -17 -45.9% -9 -18.4% -72 -23.7% 40 20.8%
File_Iterator::acceptSubString0 N/A% -15 -40.5% -106 -216.3% 0 0.0% 0 0.0%
theme@30 N/A% 11 29.7% 16 32.7% 0 0.0% -88 -45.8%
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% -7 -18.9% 34 69.4% -160 -52.6% 360 187.5%
PHPUnit_Util_Test::parseAnnotations0 N/A% -6 -16.2% 3 6.1% 0 0.0% 48 25.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -2 -5.4% 3 6.1% -80 -26.3% 0 0.0%
PHPUnit_Framework_TestSuite::addTestFile0 N/A% -1 -2.7% 8 16.3% 0 0.0% -168 -87.5%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 1 2.7% 1 2.0% 0 0.0% 0 0.0%
theme@20 N/A% -1 -2.7% -2 -4.1% -32 -10.5% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 N/A% 0 0.0% 1 2.0% 40 13.2% 0 0.0%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 N/A% 0 0.0% 1 2.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 0 0.0% 1 2.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 3 6.1% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% -3 -6.1% 0 0.0% 0 0.0%
drupal_settings_initialize0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%