Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #534ad8dec7444Run #534ad972c8c0dDiffDiff%
Number of Function Calls37 37 0 0.0%
Incl. Wall Time (microsec)975 976 1 0.1%
Incl. Wall Time (microsec) per call 26 26 0 0.1%
Excl. Wall Time (microsec)122 123 1 0.8%
Incl. CPU (microsecs)1,026 1,033 7 0.7%
Incl. CPU (microsecs) per call 28 28 0 0.7%
Excl. CPU (microsec)164 170 6 3.7%
Incl. MemUse (bytes)132,976 132,976 0 0.0%
Incl. MemUse (bytes) per call 3,594 3,594 0 0.0%
Excl. MemUse (bytes)2,204 2,204 0 0.0%
Incl. PeakMemUse (bytes)123,592 123,592 0 0.0%
Incl. PeakMemUse (bytes) per call 3,340 3,340 0 0.0%
Excl. PeakMemUse (bytes)1,108 1,108 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% 1 0.1% 7 1.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 100.0% 6 85.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% 17 1700.0% 25 357.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% -16 -1600.0% -18 -257.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 1 100.0% 3 42.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% -1 -100.0% -2 -28.6% 0 N/A% 0 N/A%