Diff Report
Run #52f5cbc19a0d8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #52f5cbc19a0d8Run #52f5cb0964fa0DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)1,421 1,441 20 1.4%
Incl. Wall Time (microsec) per call 355 360 5 1.4%
Excl. Wall Time (microsec)32 32 0 0.0%
Incl. CPU (microsecs)1,425 1,448 23 1.6%
Incl. CPU (microsecs) per call 356 362 6 1.6%
Excl. CPU (microsec)28 29 1 3.6%
Incl. MemUse (bytes)343,776 343,768 -8 -0.0%
Incl. MemUse (bytes) per call 85,944 85,942 -2 -0.0%
Excl. MemUse (bytes)5,112 5,112 0 0.0%
Incl. PeakMemUse (bytes)338,760 338,752 -8 -0.0%
Incl. PeakMemUse (bytes) per call 84,690 84,688 -2 -0.0%
Excl. PeakMemUse (bytes)3,216 3,216 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% 20 21.5% 23 11.8% -8 -0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function0 0.0% 1 4.3% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\FieldableDatabaseStorageController::buildQuery0 N/A% 17 85.0% 19 82.6% -8 -100.0% -8 -100.0%
db_select0 N/A% 3 15.0% 4 17.4% 0 0.0% 0 0.0%
Drupal\Core\Entity\FieldableDatabaseStorageController::attachPropertyData0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 12 60.0% 10 43.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::__construct0 N/A% 8 40.0% 12 52.2% -8 -100.0% -8 -100.0%