Diff Report
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519eb7a1537f7Run #519eb880e5974DiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)1,498 1,519 21 1.4%
Incl. Wall Time (microsec) per call 136 138 2 1.4%
Excl. Wall Time (microsec)54 52 -2 -3.7%
Incl. CPU (microsecs)1,510 1,539 29 1.9%
Incl. CPU (microsecs) per call 137 140 3 1.9%
Excl. CPU (microsec)61 67 6 9.8%
Incl. MemUse (bytes)97,388 97,392 4 0.0%
Incl. MemUse (bytes) per call 8,853 8,854 0 0.0%
Excl. MemUse (bytes)988 988 0 0.0%
Incl. PeakMemUse (bytes)96,336 96,260 -76 -0.1%
Incl. PeakMemUse (bytes) per call 8,758 8,751 -7 -0.1%
Excl. PeakMemUse (bytes)740 740 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% 21 0.6% 29 28.2% 4 0.0% -76 -0.0%
Exclusive Metrics Diff for Current Function-2 -9.5% 6 20.7% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% 21 100.0% 29 100.0% 4 100.0% -76 -100.0%
Child functions
class_exists0 N/A% 23 109.5% 22 75.9% 4 100.0% -76 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 1 3.4% 0 0.0% 0 0.0%