Diff Report
Run #53920c043e98b: 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 #53920c043e98bRun #53920b950c201DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)1,016 981 -35 -3.4%
Incl. Wall Time (microsec) per call 53 52 -2 -3.4%
Excl. Wall Time (microsec)79 82 3 3.8%
Incl. CPU (microsecs)1,037 1,002 -35 -3.4%
Incl. CPU (microsecs) per call 55 53 -2 -3.4%
Excl. CPU (microsec)86 93 7 8.1%
Incl. MemUse (bytes)151,316 151,320 4 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)143,788 143,792 4 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% -35 -9.8% -35 -18.7% 4 0.0% 4 0.0%
Exclusive Metrics Diff for Current Function3 8.6% 7 20.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::delete0 N/A% -61 -174.3% -61 -174.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::select0 N/A% 17 48.6% 17 48.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::insert0 N/A% 5 14.3% 4 11.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::merge0 N/A% 4 11.4% 5 14.3% 4 100.0% 4 100.0%
Child functions
class_exists0 N/A% -38 -108.6% -40 -114.3% 4 100.0% 4 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -2 -5.7% 0 0.0% 0 0.0%