Diff Report
Run #52c96d7c36f9e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96df6ca13b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #52c96d7c36f9eRun #52c96df6ca13bDiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)582 610 28 4.8%
Incl. Wall Time (microsec) per call 49 51 2 4.8%
Excl. Wall Time (microsec)50 52 2 4.0%
Incl. CPU (microsecs)593 623 30 5.1%
Incl. CPU (microsecs) per call 49 52 3 5.1%
Excl. CPU (microsec)51 53 2 3.9%
Incl. MemUse (bytes)266,072 266,072 0 0.0%
Incl. MemUse (bytes) per call 22,173 22,173 0 0.0%
Excl. MemUse (bytes)4,840 4,840 0 0.0%
Incl. PeakMemUse (bytes)203,616 203,616 0 0.0%
Incl. PeakMemUse (bytes) per call 16,968 16,968 0 0.0%
Excl. PeakMemUse (bytes)2,952 2,952 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% 28 22.4% 30 3.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 7.1% 2 6.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% 30 107.1% 27 90.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::delete0 N/A% -5 -17.9% -3 -10.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::insert0 N/A% 3 10.7% 4 13.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% 0 0.0% 2 6.7% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 27 96.4% 24 80.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% -1 -3.6% 4 13.3% 0 N/A% 0 N/A%