Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62cef49a: 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 #52f2e62cef49aDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)718 602 -116 -16.2%
Incl. Wall Time (microsec) per call 51 43 -8 -16.2%
Excl. Wall Time (microsec)50 42 -8 -16.0%
Incl. CPU (microsecs)729 619 -110 -15.1%
Incl. CPU (microsecs) per call 52 44 -8 -15.1%
Excl. CPU (microsec)56 53 -3 -5.4%
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% -116 -5.1% -110 -5.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-8 -6.9% -3 -2.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% -58 -50.0% -53 -48.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% -44 -37.9% -43 -39.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::insert0 N/A% -14 -12.1% -14 -12.7% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% -107 -92.2% -106 -96.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% -1 -0.9% -1 -0.9% 0 N/A% 0 N/A%