Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c1813b11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51ec3b81ad265Run #51ec3c1813b11DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)897 866 -31 -3.5%
Incl. Wall Time (microsec) per call 47 46 -2 -3.5%
Excl. Wall Time (microsec)65 72 7 10.8%
Incl. CPU (microsecs)916 899 -17 -1.9%
Incl. CPU (microsecs) per call 48 47 -1 -1.9%
Excl. CPU (microsec)76 94 18 23.7%
Incl. MemUse (bytes)302,768 302,768 0 0.0%
Incl. MemUse (bytes) per call 15,935 15,935 0 0.0%
Excl. MemUse (bytes)5,824 5,824 0 0.0%
Incl. PeakMemUse (bytes)238,400 238,456 56 0.0%
Incl. PeakMemUse (bytes) per call 12,547 12,550 3 0.0%
Excl. PeakMemUse (bytes)3,424 3,424 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% -31 -1.3% -17 -2.3% 0 N/A% 56 N/A%
Exclusive Metrics Diff for Current Function7 22.6% 18 105.9% 0 N/A% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% -42 -135.5% -36 -211.8% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::insert0 N/A% 11 35.5% 13 76.5% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::delete0 N/A% -4 -12.9% -2 -11.8% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::merge0 N/A% 4 12.9% 6 35.3% 0 N/A% 56 100.0%
Drupal\Core\Database\Connection::update0 N/A% 0 0.0% 2 11.8% 0 N/A% 0 0.0%
Child functions
class_exists0 N/A% -38 -122.6% -35 -205.9% 0 N/A% 56 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%