Diff Report
Run #51aad15cb89bb: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aad231c9c46: 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 #51aad231c9c46DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)2,676 2,631 -45 -1.7%
Incl. Wall Time (microsec) per call 669 658 -11 -1.7%
Excl. Wall Time (microsec)43 45 2 4.7%
Incl. CPU (microsecs)2,687 2,634 -53 -2.0%
Incl. CPU (microsecs) per call 672 659 -13 -2.0%
Excl. CPU (microsec)43 38 -5 -11.6%
Incl. MemUse (bytes)400,520 400,576 56 0.0%
Incl. MemUse (bytes) per call 100,130 100,144 14 0.0%
Excl. MemUse (bytes)5,080 5,080 0 0.0%
Incl. PeakMemUse (bytes)376,520 376,576 56 0.0%
Incl. PeakMemUse (bytes) per call 94,130 94,144 14 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% -45 -16.9% -53 -3.5% 56 0.1% 56 0.1%
Exclusive Metrics Diff for Current Function2 4.4% -5 -9.4% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -43 -95.6% -50 -94.3% 56 100.0% 56 100.0%
Drupal\field_sql_storage\Entity\Query::prepare0 N/A% -1 -2.2% -2 -3.8% 0 0.0% 0 0.0%
db_select0 N/A% -1 -2.2% -1 -1.9% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -44 -97.8% -45 -84.9% 56 100.0% 56 100.0%
Drupal\Core\Database\Query\Select::__construct0 N/A% -3 -6.7% -3 -5.7% 0 0.0% 0 0.0%