Diff Report
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf1bb00d4b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #53ccf06f3ae60Run #53ccf1bb00d4bDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)1,097 1,101 4 0.4%
Incl. Wall Time (microsec) per call 157 157 1 0.4%
Excl. Wall Time (microsec)19 19 0 0.0%
Incl. CPU (microsecs)1,104 1,105 1 0.1%
Incl. CPU (microsecs) per call 158 158 0 0.1%
Excl. CPU (microsec)25 21 -4 -16.0%
Incl. MemUse (bytes)218,808 218,728 -80 -0.0%
Incl. MemUse (bytes) per call 31,258 31,247 -11 -0.0%
Excl. MemUse (bytes)1,904 1,904 0 0.0%
Incl. PeakMemUse (bytes)217,624 217,216 -408 -0.2%
Incl. PeakMemUse (bytes) per call 31,089 31,031 -58 -0.2%
Excl. PeakMemUse (bytes)1,920 1,800 -120 -6.2%

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 0.3% 1 0.1% -80 -1.2% -408 -3.8%
Exclusive Metrics Diff for Current Function0 0.0% -4 -400.0% 0 0.0% -120 -29.4%
Parent function
Drupal\Core\Database\Connection::select0 N/A% 4 100.0% 1 100.0% -80 -100.0% -408 -100.0%
Child functions
class_exists0 N/A% 3 75.0% 4 400.0% -80 -100.0% -288 -70.6%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 1 25.0% 1 100.0% 0 0.0% 0 0.0%