Diff Report
Run #51abc563dc23f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51abc4cb0a647: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51abc563dc23fRun #51abc4cb0a647DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)653 673 20 3.1%
Incl. Wall Time (microsec) per call 73 75 2 3.1%
Excl. Wall Time (microsec)50 51 1 2.0%
Incl. CPU (microsecs)668 691 23 3.4%
Incl. CPU (microsecs) per call 74 77 3 3.4%
Excl. CPU (microsec)56 61 5 8.9%
Incl. MemUse (bytes)222,664 222,664 0 0.0%
Incl. MemUse (bytes) per call 24,740 24,740 0 0.0%
Excl. MemUse (bytes)3,856 3,856 0 0.0%
Incl. PeakMemUse (bytes)111,424 111,424 0 0.0%
Incl. PeakMemUse (bytes) per call 12,380 12,380 0 0.0%
Excl. PeakMemUse (bytes)1,712 1,712 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::getDriverClass [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::getDriverClass0 N/A% 20 9.9% 23 18.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 5.0% 5 21.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% 20 100.0% 25 108.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::insert0 N/A% -2 -10.0% -3 -13.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% 2 10.0% 1 4.3% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 19 95.0% 20 87.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -2 -8.7% 0 N/A% 0 N/A%