Diff Report
Run #5204417bc7ab7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5204425923c81: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #5204417bc7ab7Run #5204425923c81DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)1,036 992 -44 -4.2%
Incl. Wall Time (microsec) per call 86 83 -4 -4.2%
Excl. Wall Time (microsec)61 60 -1 -1.6%
Incl. CPU (microsecs)1,055 1,012 -43 -4.1%
Incl. CPU (microsecs) per call 88 84 -4 -4.1%
Excl. CPU (microsec)68 68 0 0.0%
Incl. MemUse (bytes)303,064 303,056 -8 -0.0%
Incl. MemUse (bytes) per call 25,255 25,255 -1 -0.0%
Excl. MemUse (bytes)5,824 5,824 0 0.0%
Incl. PeakMemUse (bytes)249,704 249,608 -96 -0.0%
Incl. PeakMemUse (bytes) per call 20,809 20,801 -8 -0.0%
Excl. PeakMemUse (bytes)3,744 3,744 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% -44 -55.7% -43 -5.5% -8 -0.0% -96 -0.2%
Exclusive Metrics Diff for Current Function-1 -2.3% 0 0.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% -40 -90.9% -43 -100.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::update0 N/A% -6 -13.6% -5 -11.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::insert0 N/A% 5 11.4% 4 9.3% 0 0.0% -32 -33.3%
Drupal\Core\Database\Connection::delete0 N/A% -3 -6.8% 1 2.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::merge0 N/A% 0 0.0% 0 0.0% -8 -100.0% -64 -66.7%
Child functions
class_exists0 N/A% -43 -97.7% -44 -102.3% -8 -100.0% -96 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 1 2.3% 0 0.0% 0 0.0%