Diff Report
Run #51af435181b2e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51af435181b2eRun #51af3d98520b7DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)2,439 2,371 -68 -2.8%
Incl. Wall Time (microsec) per call 610 593 -17 -2.8%
Excl. Wall Time (microsec)24 23 -1 -4.2%
Incl. CPU (microsecs)2,445 2,373 -72 -2.9%
Incl. CPU (microsecs) per call 611 593 -18 -2.9%
Excl. CPU (microsec)27 21 -6 -22.2%
Incl. MemUse (bytes)486,752 486,728 -24 -0.0%
Incl. MemUse (bytes) per call 121,688 121,682 -6 -0.0%
Excl. MemUse (bytes)1,752 1,752 0 0.0%
Incl. PeakMemUse (bytes)481,680 481,736 56 0.0%
Incl. PeakMemUse (bytes) per call 120,420 120,434 14 0.0%
Excl. PeakMemUse (bytes)704 704 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% -68 -8.5% -72 -7.5% -24 -0.0% 56 0.1%
Exclusive Metrics Diff for Current Function-1 -1.5% -6 -8.3% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% -68 -100.0% -72 -100.0% -24 -100.0% 56 100.0%
Child functions
class_exists0 N/A% -67 -98.5% -66 -91.7% -24 -100.0% 56 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%