Diff Report
Run #517d750163e11: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d7587ada9c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #517d750163e11Run #517d7587ada9cDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)678 689 11 1.6%
Incl. Wall Time (microsec) per call 226 230 4 1.6%
Excl. Wall Time (microsec)17 18 1 5.9%
Incl. CPU (microsecs)687 694 7 1.0%
Incl. CPU (microsecs) per call 229 231 2 1.0%
Excl. CPU (microsec)24 20 -4 -16.7%
Incl. MemUse (bytes)146,512 146,536 24 0.0%
Incl. MemUse (bytes) per call 48,837 48,845 8 0.0%
Excl. MemUse (bytes)1,896 1,896 0 0.0%
Incl. PeakMemUse (bytes)145,368 145,176 -192 -0.1%
Incl. PeakMemUse (bytes) per call 48,456 48,392 -64 -0.1%
Excl. PeakMemUse (bytes)1,704 1,704 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% 11 0.1% 7 0.1% 24 0.2% -192 -1.7%
Exclusive Metrics Diff for Current Function1 9.1% -4 -57.1% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% 11 100.0% 7 100.0% 24 100.0% -192 -100.0%
Child functions
class_exists0 N/A% 10 90.9% 10 142.9% 24 100.0% -192 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 1 14.3% 0 0.0% 0 0.0%