Diff Report
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fbd1297c93: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #518fb7370421eRun #518fbd1297c93DiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)521 475 -46 -8.8%
Incl. Wall Time (microsec) per call 35 32 -3 -8.8%
Excl. Wall Time (microsec)43 35 -8 -18.6%
Incl. CPU (microsecs)538 498 -40 -7.4%
Incl. CPU (microsecs) per call 36 33 -3 -7.4%
Excl. CPU (microsec)52 55 3 5.8%
Incl. MemUse (bytes)144,512 144,528 16 0.0%
Incl. MemUse (bytes) per call 9,634 9,635 1 0.0%
Excl. MemUse (bytes)1,896 1,896 0 0.0%
Incl. PeakMemUse (bytes)143,640 143,656 16 0.0%
Incl. PeakMemUse (bytes) per call 9,576 9,577 1 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% -46 -1.5% -40 -0.9% 16 0.0% 16 0.0%
Exclusive Metrics Diff for Current Function-8 -17.4% 3 7.5% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% -46 -100.0% -40 -100.0% 16 100.0% 16 100.0%
Child functions
class_exists0 N/A% -41 -89.1% -41 -102.5% 16 100.0% 16 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 3 6.5% -2 -5.0% 0 0.0% 0 0.0%