Diff Report
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #534ad9c94e95bRun #534ad8dec7444DiffDiff%
Number of Function Calls37 37 0 0.0%
Incl. Wall Time (microsec)975 975 0 0.0%
Incl. Wall Time (microsec) per call 26 26 0 0.0%
Excl. Wall Time (microsec)121 122 1 0.8%
Incl. CPU (microsecs)1,032 1,026 -6 -0.6%
Incl. CPU (microsecs) per call 28 28 -0 -0.6%
Excl. CPU (microsec)169 164 -5 -3.0%
Incl. MemUse (bytes)132,968 132,976 8 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)123,584 123,592 8 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% 0 0.0% -6 -1.2% 8 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function1 N/A% -5 -83.3% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::update0 N/A% 5 N/A% 5 83.3% 12 150.0% 12 150.0%
Drupal\Core\Database\Connection::merge0 N/A% -4 N/A% -3 -50.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::select0 N/A% -1 N/A% -8 -133.3% -4 -50.0% -4 -50.0%
Child functions
class_exists0 N/A% -2 N/A% -4 -66.7% 8 100.0% 8 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 1 N/A% 3 50.0% 0 0.0% 0 0.0%