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

Drupal\Core\Database\Connection::getDriverClassRun #51ec491641923Run #51ec485525502DiffDiff%
Number of Function Calls27 27 0 0.0%
Incl. Wall Time (microsec)947 931 -16 -1.7%
Incl. Wall Time (microsec) per call 35 34 -1 -1.7%
Excl. Wall Time (microsec)101 96 -5 -5.0%
Incl. CPU (microsecs)973 957 -16 -1.6%
Incl. CPU (microsecs) per call 36 35 -1 -1.6%
Excl. CPU (microsec)97 93 -4 -4.1%
Incl. MemUse (bytes)302,752 302,760 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)242,424 242,328 -96 -0.0%
Incl. PeakMemUse (bytes) per call 8,979 8,975 -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 Function-5 -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%