Diff Report
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::__construct

Drupal\Core\Database\Query\Select::__constructRun #5392041970f3fRun #539201f8938f4DiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)868 849 -19 -2.2%
Incl. Wall Time (microsec) per call 62 61 -1 -2.2%
Excl. Wall Time (microsec)281 267 -14 -5.0%
Incl. CPU (microsecs)884 865 -19 -2.1%
Incl. CPU (microsecs) per call 63 62 -1 -2.1%
Excl. CPU (microsec)237 224 -13 -5.5%
Incl. MemUse (bytes)37,524 37,536 12 0.0%
Incl. MemUse (bytes) per call 2,680 2,681 1 0.0%
Excl. MemUse (bytes)6,652 6,652 0 0.0%
Incl. PeakMemUse (bytes)23,780 23,792 12 0.1%
Incl. PeakMemUse (bytes) per call 1,699 1,699 1 0.1%
Excl. PeakMemUse (bytes)2,940 2,940 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::__construct [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
Drupal\Core\Database\Query\Select::__construct0 N/A% -19 -1.3% -19 -0.7% 12 0.0% 12 0.0%
Exclusive Metrics Diff for Current Function-14 -73.7% -13 -68.4% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% -19 -100.0% -19 -100.0% 12 100.0% 12 100.0%
Child functions
Drupal\Core\Database\Query\Query::__construct0 N/A% 4 21.1% 8 42.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::addJoin0 N/A% -4 -21.1% -6 -31.6% 12 100.0% 12 100.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -3 -15.8% -4 -21.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Condition::__construct0 N/A% -2 -10.5% -4 -21.1% 0 0.0% 0 0.0%