Diff Report
Run #518080a5ca60d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518081a41c05e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #518080a5ca60dRun #518081a41c05eDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)704 640 -64 -9.1%
Incl. Wall Time (microsec) per call 176 160 -16 -9.1%
Excl. Wall Time (microsec)18 19 1 5.6%
Incl. CPU (microsecs)714 651 -63 -8.8%
Incl. CPU (microsecs) per call 179 163 -16 -8.8%
Excl. CPU (microsec)26 27 1 3.8%
Incl. MemUse (bytes)144,488 144,472 -16 -0.0%
Incl. MemUse (bytes) per call 36,122 36,118 -4 -0.0%
Excl. MemUse (bytes)1,896 1,896 0 0.0%
Incl. PeakMemUse (bytes)142,320 142,128 -192 -0.1%
Incl. PeakMemUse (bytes) per call 35,580 35,532 -48 -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% -64 -5.3% -63 -4.9% -16 -0.4% -192 -4.4%
Exclusive Metrics Diff for Current Function1 1.6% 1 1.6% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% -64 -100.0% -63 -100.0% -16 -100.0% -192 -100.0%
Child functions
class_exists0 N/A% -65 -101.6% -64 -101.6% -16 -100.0% -192 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%