Diff Report
Run #517c1770a3264: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1836bbd84: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #517c1770a3264Run #517c1836bbd84DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)733 664 -69 -9.4%
Incl. Wall Time (microsec) per call 244 221 -23 -9.4%
Excl. Wall Time (microsec)20 18 -2 -10.0%
Incl. CPU (microsecs)738 668 -70 -9.5%
Incl. CPU (microsecs) per call 246 223 -23 -9.5%
Excl. CPU (microsec)22 21 -1 -4.5%
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)145,056 145,080 24 0.0%
Incl. PeakMemUse (bytes) per call 48,352 48,360 8 0.0%
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% -69 -4.3% -70 -4.6% 24 0.4% 24 0.4%
Exclusive Metrics Diff for Current Function-2 -2.9% -1 -1.4% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% -69 -100.0% -70 -100.0% 24 100.0% 24 100.0%
Child functions
class_exists0 N/A% -67 -97.1% -69 -98.6% 24 100.0% 24 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%