Diff Report
Run #51f5bb45dd257: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bb078e5a7: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51f5bb45dd257Run #51f5bb078e5a7DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)1,052 1,071 19 1.8%
Incl. Wall Time (microsec) per call 88 89 2 1.8%
Excl. Wall Time (microsec)62 63 1 1.6%
Incl. CPU (microsecs)1,068 1,086 18 1.7%
Incl. CPU (microsecs) per call 89 91 2 1.7%
Excl. CPU (microsec)68 66 -2 -2.9%
Incl. MemUse (bytes)303,704 303,704 0 0.0%
Incl. MemUse (bytes) per call 25,309 25,309 0 0.0%
Excl. MemUse (bytes)5,824 5,824 0 0.0%
Incl. PeakMemUse (bytes)257,496 257,496 0 0.0%
Incl. PeakMemUse (bytes) per call 21,458 21,458 0 0.0%
Excl. PeakMemUse (bytes)3,744 3,744 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% 19 2.5% 18 15.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 5.3% -2 -11.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::insert0 N/A% 16 84.2% 16 88.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% 6 31.6% 6 33.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% -2 -10.5% -3 -16.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::delete0 N/A% -2 -10.5% -3 -16.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% 1 5.3% 2 11.1% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 18 94.7% 18 100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 2 11.1% 0 N/A% 0 N/A%