Diff Report
Run #53920bd97d62d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #53920bd97d62dRun #53920b950c201DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)1,030 981 -49 -4.8%
Incl. Wall Time (microsec) per call 54 52 -3 -4.8%
Excl. Wall Time (microsec)83 82 -1 -1.2%
Incl. CPU (microsecs)1,051 1,002 -49 -4.7%
Incl. CPU (microsecs) per call 55 53 -3 -4.7%
Excl. CPU (microsec)92 93 1 1.1%
Incl. MemUse (bytes)151,320 151,320 0 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)143,792 143,792 0 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% -49 -10.7% -49 -11.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -2.0% 1 2.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::merge0 N/A% -22 -44.9% -21 -42.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::insert0 N/A% -21 -42.9% -20 -40.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::delete0 N/A% -8 -16.3% -8 -16.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% 2 4.1% 0 0.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% -48 -98.0% -50 -102.0% 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%