Diff Report
Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981e3ae1e6c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51981beb768adRun #51981e3ae1e6cDiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)2,640 2,644 4 0.2%
Incl. Wall Time (microsec) per call 240 240 0 0.2%
Excl. Wall Time (microsec)44 44 0 0.0%
Incl. CPU (microsecs)2,660 2,661 1 0.0%
Incl. CPU (microsecs) per call 242 242 0 0.0%
Excl. CPU (microsec)60 56 -4 -6.7%
Incl. MemUse (bytes)395,912 395,768 -144 -0.0%
Incl. MemUse (bytes) per call 35,992 35,979 -13 -0.0%
Excl. MemUse (bytes)2,832 2,832 0 0.0%
Incl. PeakMemUse (bytes)311,904 311,552 -352 -0.1%
Incl. PeakMemUse (bytes) per call 28,355 28,323 -32 -0.1%
Excl. PeakMemUse (bytes)1,496 1,488 -8 -0.5%

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% 4 3.3% 1 0.2% -144 -0.4% -352 -1.2%
Exclusive Metrics Diff for Current Function0 0.0% -4 -400.0% 0 0.0% -8 -2.3%
Parent functions
Drupal\Core\Database\Connection::insert0 N/A% 32 800.0% 30 3000.0% -8 -5.6% -184 -52.3%
Drupal\Core\Database\Connection::select0 N/A% -28 -700.0% -29 -2900.0% -136 -94.4% -168 -47.7%
Child functions
class_exists0 N/A% 4 100.0% 6 600.0% -144 -100.0% -344 -97.7%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -1 -100.0% 0 0.0% 0 0.0%