Diff Report
Run #5578e32524136: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5578e29590a73: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #5578e32524136Run #5578e29590a73DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)592 566 -26 -4.4%
Incl. Wall Time (microsec) per call 592 566 -26 -4.4%
Excl. Wall Time (microsec)41 36 -5 -12.2%
Incl. MemUse (bytes)12,944 12,944 0 0.0%
Incl. MemUse (bytes) per call 12,944 12,944 0 0.0%
Excl. MemUse (bytes)3,408 3,408 0 0.0%
Incl. PeakMemUse (bytes)12,160 12,160 0 0.0%
Incl. PeakMemUse (bytes) per call 12,160 12,160 0 0.0%
Excl. PeakMemUse (bytes)2,152 2,152 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Driver\mysql\Connection::open [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -26 -0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-5 -19.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -26 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -23 -88.5% 0 N/A% 0 N/A%
PDO::exec0 N/A% 2 7.7% 0 N/A% 0 N/A%
defined0 N/A% 0 0.0% 0 N/A% 0 N/A%