Diff Report
Run #519c153c76aa0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c1639640b3: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519c153c76aa0Run #519c1639640b3DiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)2,376 2,442 66 2.8%
Incl. Wall Time (microsec) per call 216 222 6 2.8%
Excl. Wall Time (microsec)37 39 2 5.4%
Incl. CPU (microsecs)2,389 2,457 68 2.8%
Incl. CPU (microsecs) per call 217 223 6 2.8%
Excl. CPU (microsec)47 51 4 8.5%
Incl. MemUse (bytes)486,728 486,728 0 0.0%
Incl. MemUse (bytes) per call 44,248 44,248 0 0.0%
Excl. MemUse (bytes)1,752 1,752 0 0.0%
Incl. PeakMemUse (bytes)485,624 485,624 0 0.0%
Incl. PeakMemUse (bytes) per call 44,148 44,148 0 0.0%
Excl. PeakMemUse (bytes)1,232 1,232 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% 66 34.6% 68 53.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 3.0% 4 5.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::select0 N/A% 66 100.0% 68 100.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 64 97.0% 64 94.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%