Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206513e72e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #539205a48c548Run #539206513e72eDiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)1,017 983 -34 -3.3%
Incl. Wall Time (microsec) per call 51 49 -2 -3.3%
Excl. Wall Time (microsec)97 94 -3 -3.1%
Incl. CPU (microsecs)1,040 1,014 -26 -2.5%
Incl. CPU (microsecs) per call 52 51 -1 -2.5%
Excl. CPU (microsec)100 118 18 18.0%
Incl. MemUse (bytes)147,496 147,496 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)109,020 109,020 0 0.0%
Incl. PeakMemUse (bytes) per call 5,451 5,451 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% -34 -3.7% -26 -7.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -8.8% 18 69.2% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::insert0 N/A% -24 -70.6% -27 -103.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% -9 -26.5% -10 -38.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% -1 -2.9% 10 38.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::delete0 N/A% 0 0.0% 1 3.8% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% -31 -91.2% -32 -123.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -12 -46.2% 0 N/A% 0 N/A%