Diff Report
Run #51aad15cb89bb: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aad207381a1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51aad15cb89bbRun #51aad207381a1DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)2,676 2,620 -56 -2.1%
Incl. Wall Time (microsec) per call 669 655 -14 -2.1%
Excl. Wall Time (microsec)43 44 1 2.3%
Incl. CPU (microsecs)2,687 2,630 -57 -2.1%
Incl. CPU (microsecs) per call 672 658 -14 -2.1%
Excl. CPU (microsec)43 41 -2 -4.7%
Incl. MemUse (bytes)400,520 400,520 0 0.0%
Incl. MemUse (bytes) per call 100,130 100,130 0 0.0%
Excl. MemUse (bytes)5,080 5,080 0 0.0%
Incl. PeakMemUse (bytes)376,520 376,520 0 0.0%
Incl. PeakMemUse (bytes) per call 94,130 94,130 0 0.0%
Excl. PeakMemUse (bytes)3,760 3,760 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% -56 -6.8% -57 -12.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 1.8% -2 -3.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -56 -100.0% -58 -101.8% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Query::prepare0 N/A% 1 1.8% 1 1.8% 0 N/A% 0 N/A%
db_select0 N/A% -1 -1.8% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -63 -112.5% -61 -107.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 6 10.7% 6 10.5% 0 N/A% 0 N/A%