Diff Report
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49b394aea8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #52e49acfb0eb8Run #52e49b394aea8DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)395 381 -14 -3.5%
Incl. Wall Time (microsec) per call 132 127 -5 -3.5%
Excl. Wall Time (microsec)13 15 2 15.4%
Incl. CPU (microsecs)400 384 -16 -4.0%
Incl. CPU (microsecs) per call 133 128 -5 -4.0%
Excl. CPU (microsec)15 15 0 0.0%
Incl. MemUse (bytes)150,600 150,616 16 0.0%
Incl. MemUse (bytes) per call 50,200 50,205 5 0.0%
Excl. MemUse (bytes)1,896 1,896 0 0.0%
Incl. PeakMemUse (bytes)141,336 141,408 72 0.1%
Incl. PeakMemUse (bytes) per call 47,112 47,136 24 0.1%
Excl. PeakMemUse (bytes)1,240 1,240 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% -14 -1.3% -16 -2.0% 16 0.1% 72 0.3%
Exclusive Metrics Diff for Current Function2 14.3% 0 0.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% -14 -100.0% -16 -100.0% 16 100.0% 72 100.0%
Child functions
class_exists0 N/A% -16 -114.3% -15 -93.8% 16 100.0% 72 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -1 -6.2% 0 0.0% 0 0.0%