Diff Report
Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f1db1bc51: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #5198f0bb880efRun #5198f1db1bc51DiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)474 481 7 1.5%
Incl. Wall Time (microsec) per call 43 44 1 1.5%
Excl. Wall Time (microsec)39 41 2 5.1%
Incl. CPU (microsecs)493 495 2 0.4%
Incl. CPU (microsecs) per call 45 45 0 0.4%
Excl. CPU (microsec)53 49 -4 -7.5%
Incl. MemUse (bytes)176,992 176,944 -48 -0.0%
Incl. MemUse (bytes) per call 16,090 16,086 -4 -0.0%
Excl. MemUse (bytes)2,880 2,880 0 0.0%
Incl. PeakMemUse (bytes)88,568 88,584 16 0.0%
Incl. PeakMemUse (bytes) per call 8,052 8,053 1 0.0%
Excl. PeakMemUse (bytes)1,240 1,240 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% 7 0.4% 2 0.1% -48 -0.2% 16 0.0%
Exclusive Metrics Diff for Current Function2 28.6% -4 -200.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% 5 71.4% 0 0.0% 0 0.0% 16 100.0%
Drupal\Core\Database\Connection::insert0 N/A% 2 28.6% 2 100.0% -48 -100.0% 0 0.0%
Child functions
class_exists0 N/A% 5 71.4% 4 200.0% -48 -100.0% 16 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 2 100.0% 0 0.0% 0 0.0%