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

Drupal\Core\Database\Connection::getDriverClassRun #53923e49d2b58Run #53923d861ff11DiffDiff%
Number of Function Calls42 42 0 0.0%
Incl. Wall Time (microsec)778 803 25 3.2%
Incl. Wall Time (microsec) per call 19 19 1 3.2%
Excl. Wall Time (microsec)103 130 27 26.2%
Incl. CPU (microsecs)834 851 17 2.0%
Incl. CPU (microsecs) per call 20 20 0 2.0%
Excl. CPU (microsec)152 169 17 11.2%
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 Function27 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%