Diff Report
Run #517d52b5a5611: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d51ae434de: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #517d52b5a5611Run #517d51ae434deDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)890 700 -190 -21.3%
Incl. Wall Time (microsec) per call 297 233 -63 -21.3%
Excl. Wall Time (microsec)25 18 -7 -28.0%
Incl. CPU (microsecs)894 703 -191 -21.4%
Incl. CPU (microsecs) per call 298 234 -64 -21.4%
Excl. CPU (microsec)21 18 -3 -14.3%
Incl. MemUse (bytes)146,512 146,512 0 0.0%
Incl. MemUse (bytes) per call 48,837 48,837 0 0.0%
Excl. MemUse (bytes)1,896 1,896 0 0.0%
Incl. PeakMemUse (bytes)145,192 145,368 176 0.1%
Incl. PeakMemUse (bytes) per call 48,397 48,456 59 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% -190 -7.8% -191 -13.7% 0 0.0% 176 1.7%
Exclusive Metrics Diff for Current Function-7 -3.7% -3 -1.6% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% -190 -100.0% -191 -100.0% 0 N/A% 176 100.0%
Child functions
class_exists0 N/A% -183 -96.3% -185 -96.9% 0 N/A% 176 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -3 -1.6% 0 N/A% 0 0.0%