Diff Report
Run #5198b38f0f1d5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198b3cd5c9c1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #5198b38f0f1d5Run #5198b3cd5c9c1DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)350 347 -3 -0.9%
Incl. Wall Time (microsec) per call 88 87 -1 -0.9%
Excl. Wall Time (microsec)20 19 -1 -5.0%
Incl. CPU (microsecs)355 354 -1 -0.3%
Incl. CPU (microsecs) per call 89 89 -0 -0.3%
Excl. CPU (microsec)23 24 1 4.3%
Incl. MemUse (bytes)144,536 144,528 -8 -0.0%
Incl. MemUse (bytes) per call 36,134 36,132 -2 -0.0%
Excl. MemUse (bytes)1,896 1,896 0 0.0%
Incl. PeakMemUse (bytes)89,480 89,472 -8 -0.0%
Incl. PeakMemUse (bytes) per call 22,370 22,368 -2 -0.0%
Excl. PeakMemUse (bytes)1,240 1,240 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% -3 -0.7% -1 -0.4% -8 -0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function-1 -33.3% 1 100.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% -3 -100.0% -1 -100.0% -8 -100.0% -8 -100.0%
Child functions
class_exists0 N/A% -2 -66.7% -2 -200.0% -8 -100.0% -8 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%