Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206aca7ae8: 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 #539206aca7ae8DiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)1,017 963 -54 -5.3%
Incl. Wall Time (microsec) per call 51 48 -3 -5.3%
Excl. Wall Time (microsec)97 86 -11 -11.3%
Incl. CPU (microsecs)1,040 985 -55 -5.3%
Incl. CPU (microsecs) per call 52 49 -3 -5.3%
Excl. CPU (microsec)100 97 -3 -3.0%
Incl. MemUse (bytes)147,496 147,504 8 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)109,020 122,712 13,692 12.6%
Incl. PeakMemUse (bytes) per call 5,451 6,136 685 12.6%
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% -54 -1.2% -55 -1.5% 8 0.0% 13,692 14.2%
Exclusive Metrics Diff for Current Function-11 -20.4% -3 -5.5% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::merge0 N/A% -28 -51.9% -31 -56.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::select0 N/A% -13 -24.1% -10 -18.2% 4 50.0% 4 0.0%
Drupal\Core\Database\Connection::insert0 N/A% -12 -22.2% -14 -25.5% 0 0.0% 13,644 99.6%
Drupal\Core\Database\Connection::delete0 N/A% -1 -1.9% 0 0.0% 4 50.0% 44 0.3%
Child functions
class_exists0 N/A% -43 -79.6% -42 -76.4% 8 100.0% 13,692 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -10 -18.2% 0 0.0% 0 0.0%