Diff Report
Run #5198f1db1bc51: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #5198f1db1bc51Run #5198f0bb880efDiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)481 474 -7 -1.5%
Incl. Wall Time (microsec) per call 44 43 -1 -1.5%
Excl. Wall Time (microsec)41 39 -2 -4.9%
Incl. CPU (microsecs)495 493 -2 -0.4%
Incl. CPU (microsecs) per call 45 45 -0 -0.4%
Excl. CPU (microsec)49 53 4 8.2%
Incl. MemUse (bytes)176,944 176,992 48 0.0%
Incl. MemUse (bytes) per call 16,086 16,090 4 0.0%
Excl. MemUse (bytes)2,880 2,880 0 0.0%
Incl. PeakMemUse (bytes)88,584 88,568 -16 -0.0%
Incl. PeakMemUse (bytes) per call 8,053 8,052 -1 -0.0%
Excl. PeakMemUse (bytes)1,240 1,240 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% -7 -0.4% -2 -0.1% 48 0.2% -16 -0.0%
Exclusive Metrics Diff for Current Function-2 -28.6% 4 200.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% -5 -71.4% 0 0.0% 0 0.0% -16 -100.0%
Drupal\Core\Database\Connection::insert0 N/A% -2 -28.6% -2 -100.0% 48 100.0% 0 0.0%
Child functions
class_exists0 N/A% -5 -71.4% -4 -200.0% 48 100.0% -16 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -2 -100.0% 0 0.0% 0 0.0%