Diff Report
Run #52c862ea26981: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c8629919553: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #52c862ea26981Run #52c8629919553DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)488 486 -2 -0.4%
Incl. Wall Time (microsec) per call 41 41 -0 -0.4%
Excl. Wall Time (microsec)23 53 30 130.4%
Incl. CPU (microsecs)504 497 -7 -1.4%
Incl. CPU (microsecs) per call 42 41 -1 -1.4%
Excl. CPU (microsec)37 29 -8 -21.6%
Incl. MemUse (bytes)150,240 150,240 0 0.0%
Incl. MemUse (bytes) per call 12,520 12,520 0 0.0%
Excl. MemUse (bytes)1,896 1,896 0 0.0%
Incl. PeakMemUse (bytes)150,712 150,712 0 0.0%
Incl. PeakMemUse (bytes) per call 12,559 12,559 0 0.0%
Excl. PeakMemUse (bytes)1,856 1,856 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% -2 -3.1% -7 -3.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function30 1500.0% -8 -114.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::select0 N/A% -2 -100.0% -7 -100.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% -31 -1550.0% -30 -428.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% -1 -50.0% 31 442.9% 0 N/A% 0 N/A%