Diff Report
Run #519f012418c24: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519f02278cd90: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519f012418c24Run #519f02278cd90DiffDiff%
Number of Function Calls27 27 0 0.0%
Incl. Wall Time (microsec)774 782 8 1.0%
Incl. Wall Time (microsec) per call 29 29 0 1.0%
Excl. Wall Time (microsec)83 83 0 0.0%
Incl. CPU (microsecs)814 821 7 0.9%
Incl. CPU (microsecs) per call 30 30 0 0.9%
Excl. CPU (microsec)114 110 -4 -3.5%
Incl. MemUse (bytes)225,696 225,584 -112 -0.0%
Incl. MemUse (bytes) per call 8,359 8,355 -4 -0.0%
Excl. MemUse (bytes)3,856 3,856 0 0.0%
Incl. PeakMemUse (bytes)144,120 144,080 -40 -0.0%
Incl. PeakMemUse (bytes) per call 5,338 5,336 -1 -0.0%
Excl. PeakMemUse (bytes)1,736 1,736 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% 8 0.3% 7 0.2% -112 -1.7% -40 -0.2%
Exclusive Metrics Diff for Current Function0 0.0% -4 -57.1% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% 18 225.0% 16 228.6% 0 0.0% -40 -100.0%
Drupal\Core\Database\Connection::update0 N/A% -12 -150.0% -12 -171.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::merge0 N/A% 2 25.0% 3 42.9% -112 -100.0% 0 0.0%
Child functions
class_exists0 N/A% 8 100.0% 11 157.1% -112 -100.0% -40 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%