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

Drupal\Core\Database\Connection::selectRun #51aaed996e9e3Run #51aaed0fcbd4eDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)2,645 2,668 23 0.9%
Incl. Wall Time (microsec) per call 661 667 6 0.9%
Excl. Wall Time (microsec)42 48 6 14.3%
Incl. CPU (microsecs)2,650 2,678 28 1.1%
Incl. CPU (microsecs) per call 663 670 7 1.1%
Excl. CPU (microsec)36 44 8 22.2%
Incl. MemUse (bytes)400,656 400,520 -136 -0.0%
Incl. MemUse (bytes) per call 100,164 100,130 -34 -0.0%
Excl. MemUse (bytes)5,080 5,080 0 0.0%
Incl. PeakMemUse (bytes)377,120 376,520 -600 -0.2%
Incl. PeakMemUse (bytes) per call 94,280 94,130 -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 Function6 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%