Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519d44ffb3845Run #519d45fd795a4DiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)2,492 2,319 -173 -6.9%
Incl. Wall Time (microsec) per call 178 166 -12 -6.9%
Excl. Wall Time (microsec)95 93 -2 -2.1%
Incl. CPU (microsecs)2,514 2,340 -174 -6.9%
Incl. CPU (microsecs) per call 180 167 -12 -6.9%
Excl. CPU (microsec)107 104 -3 -2.8%
Incl. MemUse (bytes)155,276 155,276 0 0.0%
Incl. MemUse (bytes) per call 11,091 11,091 0 0.0%
Excl. MemUse (bytes)2,116 2,116 0 0.0%
Incl. PeakMemUse (bytes)96,308 96,308 0 0.0%
Incl. PeakMemUse (bytes) per call 6,879 6,879 0 0.0%
Excl. PeakMemUse (bytes)740 740 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% -173 -0.3% -174 -0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -1.2% -3 -1.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::update0 N/A% -115 -66.5% -115 -66.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% -59 -34.1% -60 -34.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% 1 0.6% 1 0.6% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% -171 -98.8% -170 -97.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -1 -0.6% 0 N/A% 0 N/A%