Diff Report
Run #519bea2c59e7a: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519bea2c59e7aRun #519be9a13e594DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)1,480 1,550 70 4.7%
Incl. Wall Time (microsec) per call 185 194 9 4.7%
Excl. Wall Time (microsec)44 46 2 4.5%
Incl. CPU (microsecs)1,488 1,562 74 5.0%
Incl. CPU (microsecs) per call 186 195 9 5.0%
Excl. CPU (microsec)45 54 9 20.0%
Incl. MemUse (bytes)97,388 97,388 0 0.0%
Incl. MemUse (bytes) per call 12,174 12,174 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 12,054 12,054 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% 70 5.8% 74 176.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 2.9% 9 12.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::select0 N/A% 70 100.0% 74 100.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 68 97.1% 67 90.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -2 -2.7% 0 N/A% 0 N/A%