Diff Report
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920c043e98b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #53920b950c201Run #53920c043e98bDiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)981 1,016 35 3.6%
Incl. Wall Time (microsec) per call 52 53 2 3.6%
Excl. Wall Time (microsec)82 79 -3 -3.7%
Incl. CPU (microsecs)1,002 1,037 35 3.5%
Incl. CPU (microsecs) per call 53 55 2 3.5%
Excl. CPU (microsec)93 86 -7 -7.5%
Incl. MemUse (bytes)151,320 151,316 -4 -0.0%
Incl. MemUse (bytes) per call 7,964 7,964 -0 -0.0%
Excl. MemUse (bytes)2,780 2,780 0 0.0%
Incl. PeakMemUse (bytes)143,792 143,788 -4 -0.0%
Incl. PeakMemUse (bytes) per call 7,568 7,568 -0 -0.0%
Excl. PeakMemUse (bytes)1,540 1,540 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% 35 9.8% 35 18.7% -4 -0.0% -4 -0.0%
Exclusive Metrics Diff for Current Function-3 -8.6% -7 -20.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::delete0 N/A% 61 174.3% 61 174.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::select0 N/A% -17 -48.6% -17 -48.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::insert0 N/A% -5 -14.3% -4 -11.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::merge0 N/A% -4 -11.4% -5 -14.3% -4 -100.0% -4 -100.0%
Child functions
class_exists0 N/A% 38 108.6% 40 114.3% -4 -100.0% -4 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 2 5.7% 0 0.0% 0 0.0%