Diff Report
Run #5208407650493: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #520840a963a54: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #5208407650493Run #520840a963a54DiffDiff%
Number of Function Calls5 5 0 0.0%
Incl. Wall Time (microsec)950 1,022 72 7.6%
Incl. Wall Time (microsec) per call 190 204 14 7.6%
Excl. Wall Time (microsec)48 50 2 4.2%
Incl. CPU (microsecs)954 1,029 75 7.9%
Incl. CPU (microsecs) per call 191 206 15 7.9%
Excl. CPU (microsec)44 50 6 13.6%
Incl. MemUse (bytes)305,304 305,304 0 0.0%
Incl. MemUse (bytes) per call 61,061 61,061 0 0.0%
Excl. MemUse (bytes)5,848 5,848 0 0.0%
Incl. PeakMemUse (bytes)235,296 235,296 0 0.0%
Incl. PeakMemUse (bytes) per call 47,059 47,059 0 0.0%
Excl. PeakMemUse (bytes)3,480 3,480 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% 72 66.7% 75 41.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 2.8% 6 8.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::delete0 N/A% 41 56.9% 40 53.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% 24 33.3% 24 32.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% 8 11.1% 9 12.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::insert0 N/A% -3 -4.2% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% 2 2.8% 2 2.7% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 69 95.8% 69 92.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 1 1.4% 0 0.0% 0 N/A% 0 N/A%