Diff Report
Run #519c116ac5313: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c13f61d210: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519c116ac5313Run #519c13f61d210DiffDiff%
Number of Function Calls22 22 0 0.0%
Incl. Wall Time (microsec)1,692 1,602 -90 -5.3%
Incl. Wall Time (microsec) per call 77 73 -4 -5.3%
Excl. Wall Time (microsec)101 99 -2 -2.0%
Incl. CPU (microsecs)1,721 1,638 -83 -4.8%
Incl. CPU (microsecs) per call 78 74 -4 -4.8%
Excl. CPU (microsec)125 131 6 4.8%
Incl. MemUse (bytes)97,388 97,388 0 0.0%
Incl. MemUse (bytes) per call 4,427 4,427 0 0.0%
Excl. MemUse (bytes)988 988 0 0.0%
Incl. PeakMemUse (bytes)96,432 96,432 0 0.0%
Incl. PeakMemUse (bytes) per call 4,383 4,383 0 0.0%
Excl. PeakMemUse (bytes)740 740 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% -90 -9.9% -83 -11.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -2.2% 6 7.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::select0 N/A% -90 -100.0% -83 -100.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% -88 -97.8% -88 -106.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -1 -1.2% 0 N/A% 0 N/A%