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

Drupal\Core\Database\Connection::getDriverClassRun #519c13f61d210Run #519c116ac5313DiffDiff%
Number of Function Calls22 22 0 0.0%
Incl. Wall Time (microsec)1,602 1,692 90 5.6%
Incl. Wall Time (microsec) per call 73 77 4 5.6%
Excl. Wall Time (microsec)99 101 2 2.0%
Incl. CPU (microsecs)1,638 1,721 83 5.1%
Incl. CPU (microsecs) per call 74 78 4 5.1%
Excl. CPU (microsec)131 125 -6 -4.6%
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 Function2 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%