Diff Report
Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed996e9e3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51aaed0fcbd4eRun #51aaed996e9e3DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)2,010 1,977 -33 -1.6%
Incl. Wall Time (microsec) per call 503 494 -8 -1.6%
Excl. Wall Time (microsec)20 21 1 5.0%
Incl. CPU (microsecs)2,019 1,982 -37 -1.8%
Incl. CPU (microsecs) per call 505 496 -9 -1.8%
Excl. CPU (microsec)27 23 -4 -14.8%
Incl. MemUse (bytes)315,648 315,784 136 0.0%
Incl. MemUse (bytes) per call 78,912 78,946 34 0.0%
Excl. MemUse (bytes)1,872 1,872 0 0.0%
Incl. PeakMemUse (bytes)295,960 296,544 584 0.2%
Incl. PeakMemUse (bytes) per call 73,990 74,136 146 0.2%
Excl. PeakMemUse (bytes)1,336 1,336 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% -33 -4.5% -37 -8.3% 136 0.2% 584 0.9%
Exclusive Metrics Diff for Current Function1 3.0% -4 -10.8% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% -33 -100.0% -37 -100.0% 136 100.0% 584 100.0%
Child functions
class_exists0 N/A% -34 -103.0% -34 -91.9% 136 100.0% 584 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 1 2.7% 0 0.0% 0 0.0%