Diff Report
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51fdbca2b5409Run #51fdbdbb58abcDiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)1,040 1,023 -17 -1.6%
Incl. Wall Time (microsec) per call 80 79 -1 -1.6%
Excl. Wall Time (microsec)61 64 3 4.9%
Incl. CPU (microsecs)1,053 1,036 -17 -1.6%
Incl. CPU (microsecs) per call 81 80 -1 -1.6%
Excl. CPU (microsec)64 66 2 3.1%
Incl. MemUse (bytes)303,688 303,680 -8 -0.0%
Incl. MemUse (bytes) per call 23,361 23,360 -1 -0.0%
Excl. MemUse (bytes)5,824 5,824 0 0.0%
Incl. PeakMemUse (bytes)272,152 272,440 288 0.1%
Incl. PeakMemUse (bytes) per call 20,935 20,957 22 0.1%
Excl. PeakMemUse (bytes)3,512 3,512 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% -17 -1.8% -17 -23.6% -8 -0.0% 288 0.9%
Exclusive Metrics Diff for Current Function3 17.6% 2 11.8% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::merge0 N/A% -43 -252.9% -43 -252.9% -8 -100.0% 288 100.0%
Drupal\Core\Database\Connection::select0 N/A% 16 94.1% 16 94.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::update0 N/A% 5 29.4% 5 29.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::insert0 N/A% 3 17.6% 3 17.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::delete0 N/A% 2 11.8% 2 11.8% 0 0.0% 0 0.0%
Child functions
class_exists0 N/A% -20 -117.6% -19 -111.8% -8 -100.0% 288 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%