Diff Report
Run #517c7dc1dc4c3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c7d73caad2: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #517c7dc1dc4c3Run #517c7d73caad2DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)678 685 7 1.0%
Incl. Wall Time (microsec) per call 226 228 2 1.0%
Excl. Wall Time (microsec)19 18 -1 -5.3%
Incl. CPU (microsecs)686 688 2 0.3%
Incl. CPU (microsecs) per call 229 229 1 0.3%
Excl. CPU (microsec)24 18 -6 -25.0%
Incl. MemUse (bytes)146,536 146,528 -8 -0.0%
Incl. MemUse (bytes) per call 48,845 48,843 -3 -0.0%
Excl. MemUse (bytes)1,896 1,896 0 0.0%
Incl. PeakMemUse (bytes)145,352 145,344 -8 -0.0%
Incl. PeakMemUse (bytes) per call 48,451 48,448 -3 -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% 7 2.0% 2 0.2% -8 -0.3% -8 -0.3%
Exclusive Metrics Diff for Current Function-1 -14.3% -6 -300.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% 7 100.0% 2 100.0% -8 -100.0% -8 -100.0%
Child functions
class_exists0 N/A% 8 114.3% 8 400.0% -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%