Diff Report
Run #5391fcf6ab927: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #5391fcf6ab927Run #5391fc871e91dDiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)972 1,005 33 3.4%
Incl. Wall Time (microsec) per call 49 50 2 3.4%
Excl. Wall Time (microsec)94 98 4 4.3%
Incl. CPU (microsecs)995 1,029 34 3.4%
Incl. CPU (microsecs) per call 50 51 2 3.4%
Excl. CPU (microsec)104 112 8 7.7%
Incl. MemUse (bytes)147,504 147,504 0 0.0%
Incl. MemUse (bytes) per call 7,375 7,375 0 0.0%
Excl. MemUse (bytes)2,780 2,780 0 0.0%
Incl. PeakMemUse (bytes)127,000 127,000 0 0.0%
Incl. PeakMemUse (bytes) per call 6,350 6,350 0 0.0%
Excl. PeakMemUse (bytes)1,504 1,504 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% 33 2.0% 34 2.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 12.1% 8 23.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::insert0 N/A% 19 57.6% 20 58.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::delete0 N/A% 9 27.3% 9 26.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% 4 12.1% 3 8.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% 1 3.0% 2 5.9% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 29 87.9% 29 85.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -3 -8.8% 0 N/A% 0 N/A%