Diff Report
Run #5350e128cfd2b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5350e2663e694: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #5350e128cfd2bRun #5350e2663e694DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)1,497 1,519 22 1.5%
Incl. Wall Time (microsec) per call 166 169 2 1.5%
Excl. Wall Time (microsec)23 25 2 8.7%
Incl. CPU (microsecs)1,509 1,528 19 1.3%
Incl. CPU (microsecs) per call 168 170 2 1.3%
Excl. CPU (microsec)33 34 1 3.0%
Incl. MemUse (bytes)334,584 334,600 16 0.0%
Incl. MemUse (bytes) per call 37,176 37,178 2 0.0%
Excl. MemUse (bytes)1,872 1,872 0 0.0%
Incl. PeakMemUse (bytes)333,776 333,832 56 0.0%
Incl. PeakMemUse (bytes) per call 37,086 37,092 6 0.0%
Excl. PeakMemUse (bytes)1,952 1,952 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% 22 1.4% 19 1.1% 16 0.1% 56 0.2%
Exclusive Metrics Diff for Current Function2 9.1% 1 5.3% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% 22 100.0% 19 100.0% 16 100.0% 56 100.0%
Child functions
class_exists0 N/A% 20 90.9% 19 100.0% 16 100.0% 56 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -1 -5.3% 0 0.0% 0 0.0%