Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51ec485525502Run #51ec491641923DiffDiff%
Number of Function Calls27 27 0 0.0%
Incl. Wall Time (microsec)931 947 16 1.7%
Incl. Wall Time (microsec) per call 34 35 1 1.7%
Excl. Wall Time (microsec)96 101 5 5.2%
Incl. CPU (microsecs)957 973 16 1.7%
Incl. CPU (microsecs) per call 35 36 1 1.7%
Excl. CPU (microsec)93 97 4 4.3%
Incl. MemUse (bytes)302,760 302,752 -8 -0.0%
Incl. MemUse (bytes) per call 11,213 11,213 -0 -0.0%
Excl. MemUse (bytes)5,824 5,824 0 0.0%
Incl. PeakMemUse (bytes)242,328 242,424 96 0.0%
Incl. PeakMemUse (bytes) per call 8,975 8,979 4 0.0%
Excl. PeakMemUse (bytes)3,560 3,560 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% 16 1.0% 16 0.9% -8 -0.0% 96 0.1%
Exclusive Metrics Diff for Current Function5 31.2% 4 25.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::delete0 N/A% 13 81.2% 13 81.2% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::select0 N/A% 13 81.2% 18 112.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::insert0 N/A% -11 -68.8% -11 -68.8% 0 0.0% 48 50.0%
Drupal\Core\Database\Connection::merge0 N/A% 1 6.2% -2 -12.5% -8 -100.0% 48 50.0%
Drupal\Core\Database\Connection::update0 N/A% 0 0.0% -2 -12.5% 0 0.0% 0 0.0%
Child functions
class_exists0 N/A% 11 68.8% 10 62.5% -8 -100.0% 96 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 2 12.5% 0 0.0% 0 0.0%