Diff Report
Run #52d3e93cb560e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d3e983be01d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #52d3e93cb560eRun #52d3e983be01dDiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)582 607 25 4.3%
Incl. Wall Time (microsec) per call 65 67 3 4.3%
Excl. Wall Time (microsec)27 23 -4 -14.8%
Incl. CPU (microsecs)594 620 26 4.4%
Incl. CPU (microsecs) per call 66 69 3 4.4%
Excl. CPU (microsec)34 31 -3 -8.8%
Incl. MemUse (bytes)151,448 151,456 8 0.0%
Incl. MemUse (bytes) per call 16,828 16,828 1 0.0%
Excl. MemUse (bytes)2,824 2,824 0 0.0%
Incl. PeakMemUse (bytes)152,264 152,272 8 0.0%
Incl. PeakMemUse (bytes) per call 16,918 16,919 1 0.0%
Excl. PeakMemUse (bytes)2,224 2,224 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% 25 0.7% 26 0.8% 8 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function-4 -16.0% -3 -11.5% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% 32 128.0% 32 123.1% 8 100.0% 8 100.0%
Drupal\Core\Database\Query\SelectExtender::extend0 N/A% -7 -28.0% -6 -23.1% 0 0.0% 0 0.0%
Child functions
class_exists0 N/A% 29 116.0% 28 107.7% 8 100.0% 8 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 1 3.8% 0 0.0% 0 0.0%