Diff Report
Run #530ef19752730: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ef14e56c65: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #530ef19752730Run #530ef14e56c65DiffDiff%
Number of Function Calls58 58 0 0.0%
Incl. Wall Time (microsec)4,707 4,797 90 1.9%
Incl. Wall Time (microsec) per call 81 83 2 1.9%
Excl. Wall Time (microsec)145 146 1 0.7%
Incl. CPU (microsecs)4,781 4,873 92 1.9%
Incl. CPU (microsecs) per call 82 84 2 1.9%
Excl. CPU (microsec)209 210 1 0.5%
Incl. MemUse (bytes)579,768 579,768 0 0.0%
Incl. MemUse (bytes) per call 9,996 9,996 0 0.0%
Excl. MemUse (bytes)5,704 5,704 0 0.0%
Incl. PeakMemUse (bytes)539,576 539,576 0 0.0%
Incl. PeakMemUse (bytes) per call 9,303 9,303 0 0.0%
Excl. PeakMemUse (bytes)3,120 3,120 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% 90 0.9% 92 1.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 1.1% 1 1.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::insert0 N/A% 47 52.2% 46 50.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% 35 38.9% 48 52.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% 29 32.2% 21 22.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% -27 -30.0% -29 -31.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::delete0 N/A% 6 6.7% 6 6.5% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% 87 96.7% 90 97.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 2 2.2% 1 1.1% 0 N/A% 0 N/A%