Diff Report
Run #519d9d94433aa: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519d9d94433aaRun #519d9cf28420eDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)3,552 3,497 -55 -1.5%
Incl. Wall Time (microsec) per call 254 250 -4 -1.5%
Excl. Wall Time (microsec)67 68 1 1.5%
Incl. CPU (microsecs)3,571 3,513 -58 -1.6%
Incl. CPU (microsecs) per call 255 251 -4 -1.6%
Excl. CPU (microsec)78 80 2 2.6%
Incl. MemUse (bytes)718,760 718,592 -168 -0.0%
Incl. MemUse (bytes) per call 51,340 51,328 -12 -0.0%
Excl. MemUse (bytes)3,656 3,656 0 0.0%
Incl. PeakMemUse (bytes)485,672 485,664 -8 -0.0%
Incl. PeakMemUse (bytes) per call 34,691 34,690 -1 -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% -55 -2.2% -58 -6.1% -168 -0.2% -8 -0.0%
Exclusive Metrics Diff for Current Function1 1.8% 2 3.4% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% -72 -130.9% -77 -132.8% -8 -4.8% -8 -100.0%
Drupal\Core\Database\Connection::update0 N/A% 10 18.2% 11 19.0% -168 -100.0% 0 0.0%
Drupal\Core\Database\Connection::merge0 N/A% 7 12.7% 8 13.8% 8 4.8% 0 0.0%
Child functions
class_exists0 N/A% -56 -101.8% -60 -103.4% -168 -100.0% -8 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%