Diff Report
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fd5a43e70: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #5391fc871e91dRun #5391fd5a43e70DiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)1,005 976 -29 -2.9%
Incl. Wall Time (microsec) per call 50 49 -1 -2.9%
Excl. Wall Time (microsec)98 90 -8 -8.2%
Incl. CPU (microsecs)1,029 1,000 -29 -2.8%
Incl. CPU (microsecs) per call 51 50 -1 -2.8%
Excl. CPU (microsec)112 103 -9 -8.0%
Incl. MemUse (bytes)147,504 147,500 -4 -0.0%
Incl. MemUse (bytes) per call 7,375 7,375 -0 -0.0%
Excl. MemUse (bytes)2,780 2,780 0 0.0%
Incl. PeakMemUse (bytes)127,000 126,936 -64 -0.1%
Incl. PeakMemUse (bytes) per call 6,350 6,347 -3 -0.1%
Excl. PeakMemUse (bytes)1,504 1,504 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% -29 -1.7% -29 -7.2% -4 -0.0% -64 -0.3%
Exclusive Metrics Diff for Current Function-8 -27.6% -9 -31.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::insert0 N/A% -22 -75.9% -22 -75.9% -8 -200.0% -8 -12.5%
Drupal\Core\Database\Connection::delete0 N/A% -7 -24.1% -6 -20.7% 0 0.0% -60 -93.8%
Drupal\Core\Database\Connection::merge0 N/A% 4 13.8% 5 17.2% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::select0 N/A% -4 -13.8% -6 -20.7% 4 100.0% 4 6.2%
Child functions
class_exists0 N/A% -21 -72.4% -22 -75.9% -4 -100.0% -64 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 2 6.9% 0 0.0% 0 0.0%