Diff Report
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51978cc86c728Run #51978d4d92dd9DiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)2,684 2,577 -107 -4.0%
Incl. Wall Time (microsec) per call 244 234 -10 -4.0%
Excl. Wall Time (microsec)42 41 -1 -2.4%
Incl. CPU (microsecs)2,697 2,593 -104 -3.9%
Incl. CPU (microsecs) per call 245 236 -9 -3.9%
Excl. CPU (microsec)46 47 1 2.2%
Incl. MemUse (bytes)395,776 395,792 16 0.0%
Incl. MemUse (bytes) per call 35,980 35,981 1 0.0%
Excl. MemUse (bytes)2,832 2,832 0 0.0%
Incl. PeakMemUse (bytes)336,456 336,256 -200 -0.1%
Incl. PeakMemUse (bytes) per call 30,587 30,569 -18 -0.1%
Excl. PeakMemUse (bytes)1,832 1,832 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% -107 -43.0% -104 -86.0% 16 0.1% -200 -0.9%
Exclusive Metrics Diff for Current Function-1 -0.9% 1 1.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% -62 -57.9% -60 -57.7% -24 -150.0% -64 -32.0%
Drupal\Core\Database\Connection::insert0 N/A% -45 -42.1% -44 -42.3% 40 250.0% -136 -68.0%
Child functions
class_exists0 N/A% -106 -99.1% -105 -101.0% 16 100.0% -200 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%