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

Drupal\Core\Database\Connection::getDriverClassRun #519be9a13e594Run #519bea2c59e7aDiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)1,550 1,480 -70 -4.5%
Incl. Wall Time (microsec) per call 194 185 -9 -4.5%
Excl. Wall Time (microsec)46 44 -2 -4.3%
Incl. CPU (microsecs)1,562 1,488 -74 -4.7%
Incl. CPU (microsecs) per call 195 186 -9 -4.7%
Excl. CPU (microsec)54 45 -9 -16.7%
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 Function-2 -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%