Diff Report
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539203c57074d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #539201f8938f4Run #539203c57074dDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)558 544 -14 -2.5%
Incl. Wall Time (microsec) per call 40 39 -1 -2.5%
Excl. Wall Time (microsec)45 46 1 2.2%
Incl. CPU (microsecs)575 556 -19 -3.3%
Incl. CPU (microsecs) per call 41 40 -1 -3.3%
Excl. CPU (microsec)59 53 -6 -10.2%
Incl. MemUse (bytes)84,544 84,544 0 0.0%
Incl. MemUse (bytes) per call 6,039 6,039 0 0.0%
Excl. MemUse (bytes)1,056 1,056 0 0.0%
Incl. PeakMemUse (bytes)83,976 83,976 0 0.0%
Incl. PeakMemUse (bytes) per call 5,998 5,998 0 0.0%
Excl. PeakMemUse (bytes)764 764 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% -14 -5.7% -19 -3.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 7.1% -6 -31.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::select0 N/A% -14 -100.0% -19 -100.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% -15 -107.1% -13 -68.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%