Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62091f2c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #52f2e60305388Run #52f2e62091f2cDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)718 901 183 25.5%
Incl. Wall Time (microsec) per call 51 64 13 25.5%
Excl. Wall Time (microsec)50 56 6 12.0%
Incl. CPU (microsecs)729 920 191 26.2%
Incl. CPU (microsecs) per call 52 66 14 26.2%
Excl. CPU (microsec)56 69 13 23.2%
Incl. MemUse (bytes)234,224 234,224 0 0.0%
Incl. MemUse (bytes) per call 16,730 16,730 0 0.0%
Excl. MemUse (bytes)3,856 3,856 0 0.0%
Incl. PeakMemUse (bytes)86,120 86,120 0 0.0%
Incl. PeakMemUse (bytes) per call 6,151 6,151 0 0.0%
Excl. PeakMemUse (bytes)912 912 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% 183 13.1% 191 6.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function6 3.3% 13 6.8% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% 87 47.5% 93 48.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% 74 40.4% 75 39.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::insert0 N/A% 22 12.0% 23 12.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 177 96.7% 176 92.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 2 1.0% 0 N/A% 0 N/A%