Diff Report
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e43719571bf: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #52e436ce9c71dRun #52e43719571bfDiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)673 688 15 2.2%
Incl. Wall Time (microsec) per call 112 115 3 2.2%
Excl. Wall Time (microsec)49 52 3 6.1%
Incl. CPU (microsecs)682 694 12 1.8%
Incl. CPU (microsecs) per call 114 116 2 1.8%
Excl. CPU (microsec)43 45 2 4.7%
Incl. MemUse (bytes)203,936 203,936 0 0.0%
Incl. MemUse (bytes) per call 33,989 33,989 0 0.0%
Excl. MemUse (bytes)5,640 5,640 0 0.0%
Incl. PeakMemUse (bytes)193,216 193,216 0 0.0%
Incl. PeakMemUse (bytes) per call 32,203 32,203 0 0.0%
Excl. PeakMemUse (bytes)3,816 3,816 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::select [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\Connection::select0 N/A% 15 1.3% 12 1.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function3 20.0% 2 16.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\FieldableDatabaseStorageController::buildQuery0 N/A% 11 73.3% 10 83.3% 0 N/A% 0 N/A%
Drupal\Core\Entity\FieldableDatabaseStorageController::attachPropertyData0 N/A% 3 20.0% 4 33.3% 0 N/A% 0 N/A%
db_select0 N/A% 1 6.7% -2 -16.7% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 9 60.0% 7 58.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 3 20.0% 3 25.0% 0 N/A% 0 N/A%