Diff Report
Run #517d750163e11: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d7587ada9c: 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 #517d750163e11Run #517d7587ada9cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,084 953 -131 -12.1%
Incl. Wall Time (microsec) per call 1,084 953 -131 -12.1%
Excl. Wall Time (microsec)35 32 -3 -8.6%
Incl. CPU (microsecs)592 477 -115 -19.4%
Incl. CPU (microsecs) per call 592 477 -115 -19.4%
Excl. CPU (microsec)29 30 1 3.4%
Incl. MemUse (bytes)46,056 46,056 0 0.0%
Incl. MemUse (bytes) per call 46,056 46,056 0 0.0%
Excl. MemUse (bytes)1,712 1,712 0 0.0%
Incl. PeakMemUse (bytes)48,440 48,440 0 0.0%
Incl. PeakMemUse (bytes) per call 48,440 48,440 0 0.0%
Excl. PeakMemUse (bytes)3,088 3,088 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% -131 -1.6% -115 -1.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-3 -2.3% 1 0.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -131 -100.0% -115 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::__construct0 N/A% -162 -123.7% -112 -97.4% 0 N/A% 0 N/A%
PDO::exec0 N/A% 34 26.0% -3 -2.6% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -1 -0.9% 0 N/A% 0 N/A%