Diff Report
Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed996e9e3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51aaed0fcbd4eRun #51aaed996e9e3DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)2,668 2,645 -23 -0.9%
Incl. Wall Time (microsec) per call 667 661 -6 -0.9%
Excl. Wall Time (microsec)48 42 -6 -12.5%
Incl. CPU (microsecs)2,678 2,650 -28 -1.0%
Incl. CPU (microsecs) per call 670 663 -7 -1.0%
Excl. CPU (microsec)44 36 -8 -18.2%
Incl. MemUse (bytes)400,520 400,656 136 0.0%
Incl. MemUse (bytes) per call 100,130 100,164 34 0.0%
Excl. MemUse (bytes)5,080 5,080 0 0.0%
Incl. PeakMemUse (bytes)376,520 377,120 600 0.2%
Incl. PeakMemUse (bytes) per call 94,130 94,280 150 0.2%
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% -23 -3.1% -28 -6.3% 136 0.2% 600 0.9%
Exclusive Metrics Diff for Current Function-6 -26.1% -8 -28.6% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% -18 -78.3% -23 -82.1% 136 100.0% 600 100.0%
Drupal\field_sql_storage\Entity\Query::prepare0 N/A% -5 -21.7% -5 -17.9% 0 0.0% 0 0.0%
db_select0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -33 -143.5% -37 -132.1% 136 100.0% 584 97.3%
Drupal\Core\Database\Query\Select::__construct0 N/A% 16 69.6% 17 60.7% 0 0.0% 16 2.7%