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

Drupal\Core\Database\Connection::getDriverClassRun #51fdbdbb58abcRun #51fdbca2b5409DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)1,023 1,040 17 1.7%
Incl. Wall Time (microsec) per call 79 80 1 1.7%
Excl. Wall Time (microsec)64 61 -3 -4.7%
Incl. CPU (microsecs)1,036 1,053 17 1.6%
Incl. CPU (microsecs) per call 80 81 1 1.6%
Excl. CPU (microsec)66 64 -2 -3.0%
Incl. MemUse (bytes)303,680 303,688 8 0.0%
Incl. MemUse (bytes) per call 23,360 23,361 1 0.0%
Excl. MemUse (bytes)5,824 5,824 0 0.0%
Incl. PeakMemUse (bytes)272,440 272,152 -288 -0.1%
Incl. PeakMemUse (bytes) per call 20,957 20,935 -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 Function-3 -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%