Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec6582d0962: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51ec623000e0cRun #51ec6582d0962DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)1,071 1,139 68 6.3%
Incl. Wall Time (microsec) per call 56 60 4 6.3%
Excl. Wall Time (microsec)69 71 2 2.9%
Incl. CPU (microsecs)1,087 1,163 76 7.0%
Incl. CPU (microsecs) per call 57 61 4 7.0%
Excl. CPU (microsec)78 83 5 6.4%
Incl. MemUse (bytes)319,176 319,176 0 0.0%
Incl. MemUse (bytes) per call 16,799 16,799 0 0.0%
Excl. MemUse (bytes)5,824 5,824 0 0.0%
Incl. PeakMemUse (bytes)265,784 265,784 0 0.0%
Incl. PeakMemUse (bytes) per call 13,989 13,989 0 0.0%
Excl. PeakMemUse (bytes)3,560 3,560 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% 68 2.7% 76 6.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 2.9% 5 6.6% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% 47 69.1% 54 71.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::insert0 N/A% 12 17.6% 13 17.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% 9 13.2% 8 10.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::delete0 N/A% 0 0.0% 1 1.3% 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% 66 97.1% 66 86.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 5 6.6% 0 N/A% 0 N/A%