Diff Report
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #53923d861ff11Run #53923e49d2b58DiffDiff%
Number of Function Calls42 42 0 0.0%
Incl. Wall Time (microsec)803 778 -25 -3.1%
Incl. Wall Time (microsec) per call 19 19 -1 -3.1%
Excl. Wall Time (microsec)130 103 -27 -20.8%
Incl. CPU (microsecs)851 834 -17 -2.0%
Incl. CPU (microsecs) per call 20 20 -0 -2.0%
Excl. CPU (microsec)169 152 -17 -10.1%
Incl. MemUse (bytes)104,256 104,256 0 0.0%
Incl. MemUse (bytes) per call 2,482 2,482 0 0.0%
Excl. MemUse (bytes)1,632 1,632 0 0.0%
Incl. PeakMemUse (bytes)100,172 100,172 0 0.0%
Incl. PeakMemUse (bytes) per call 2,385 2,385 0 0.0%
Excl. PeakMemUse (bytes)1,072 1,072 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% -25 -1.6% -17 -1.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-27 -108.0% -17 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% -37 -148.0% -31 -182.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::insert0 N/A% 12 48.0% 14 82.4% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 2 8.0% 1 5.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -1 -5.9% 0 N/A% 0 N/A%