Diff Report
Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51902129e4489: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::__construct

Drupal\Core\Database\Driver\mysql\Connection::__constructRun #51901ff69a8a6Run #51902129e4489DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)936 852 -84 -9.0%
Incl. Wall Time (microsec) per call 936 852 -84 -9.0%
Excl. Wall Time (microsec)35 38 3 8.6%
Incl. CPU (microsecs)435 473 38 8.7%
Incl. CPU (microsecs) per call 435 473 38 8.7%
Excl. CPU (microsec)29 34 5 17.2%
Incl. MemUse (bytes)46,096 46,096 0 0.0%
Incl. MemUse (bytes) per call 46,096 46,096 0 0.0%
Excl. MemUse (bytes)1,712 1,712 0 0.0%
Incl. PeakMemUse (bytes)48,280 48,280 0 0.0%
Incl. PeakMemUse (bytes) per call 48,280 48,280 0 0.0%
Excl. PeakMemUse (bytes)2,712 2,712 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Driver\mysql\Connection::__construct [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\Driver\mysql\Connection::__construct0 N/A% -84 -155.6% 38 50.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 3.6% 5 13.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -84 -100.0% 38 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::__construct0 N/A% -120 -142.9% 32 84.2% 0 N/A% 0 N/A%
PDO::exec0 N/A% 31 36.9% 1 2.6% 0 N/A% 0 N/A%
implode0 N/A% 2 2.4% 0 0.0% 0 N/A% 0 N/A%