Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: 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 #51ec3c5ab9ae4DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)897 925 28 3.1%
Incl. Wall Time (microsec) per call 47 49 1 3.1%
Excl. Wall Time (microsec)65 66 1 1.5%
Incl. CPU (microsecs)916 947 31 3.4%
Incl. CPU (microsecs) per call 48 50 2 3.4%
Excl. CPU (microsec)76 81 5 6.6%
Incl. MemUse (bytes)302,768 302,784 16 0.0%
Incl. MemUse (bytes) per call 15,935 15,936 1 0.0%
Excl. MemUse (bytes)5,824 5,824 0 0.0%
Incl. PeakMemUse (bytes)238,400 238,432 32 0.0%
Incl. PeakMemUse (bytes) per call 12,547 12,549 2 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% 28 7.5% 31 2.9% 16 0.0% 32 0.1%
Exclusive Metrics Diff for Current Function1 3.6% 5 16.1% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% -40 -142.9% -38 -122.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::merge0 N/A% 36 128.6% 37 119.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::insert0 N/A% 23 82.1% 24 77.4% 0 0.0% 16 50.0%
Drupal\Core\Database\Connection::update0 N/A% 6 21.4% 4 12.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::delete0 N/A% 3 10.7% 4 12.9% 16 100.0% 16 50.0%
Child functions
class_exists0 N/A% 27 96.4% 26 83.9% 16 100.0% 32 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%