Diff Report
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #5392041970f3fRun #539201f8938f4DiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)552 558 6 1.1%
Incl. Wall Time (microsec) per call 39 40 0 1.1%
Excl. Wall Time (microsec)46 45 -1 -2.2%
Incl. CPU (microsecs)572 575 3 0.5%
Incl. CPU (microsecs) per call 41 41 0 0.5%
Excl. CPU (microsec)61 59 -2 -3.3%
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% 6 0.4% 3 0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -16.7% -2 -66.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::select0 N/A% 6 100.0% 3 100.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 7 116.7% 5 166.7% 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%