Diff Report
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d94433aa: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519d9cf28420eRun #519d9d94433aaDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)3,497 3,552 55 1.6%
Incl. Wall Time (microsec) per call 250 254 4 1.6%
Excl. Wall Time (microsec)68 67 -1 -1.5%
Incl. CPU (microsecs)3,513 3,571 58 1.7%
Incl. CPU (microsecs) per call 251 255 4 1.7%
Excl. CPU (microsec)80 78 -2 -2.5%
Incl. MemUse (bytes)718,592 718,760 168 0.0%
Incl. MemUse (bytes) per call 51,328 51,340 12 0.0%
Excl. MemUse (bytes)3,656 3,656 0 0.0%
Incl. PeakMemUse (bytes)485,664 485,672 8 0.0%
Incl. PeakMemUse (bytes) per call 34,690 34,691 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 Function-1 -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%