Diff Report
Run #54e199664caef: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #54e1a1589bdae: 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 #54e199664caefRun #54e1a1589bdaeDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)638 579 -59 -9.2%
Incl. Wall Time (microsec) per call 638 579 -59 -9.2%
Excl. Wall Time (microsec)44 39 -5 -11.4%
Incl. MemUse (bytes)12,856 12,856 0 0.0%
Incl. MemUse (bytes) per call 12,856 12,856 0 0.0%
Excl. MemUse (bytes)2,992 2,992 0 0.0%
Incl. PeakMemUse (bytes)12,744 12,744 0 0.0%
Incl. PeakMemUse (bytes) per call 12,744 12,744 0 0.0%
Excl. PeakMemUse (bytes)2,024 2,024 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% -59 -3.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -8.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -59 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -33 -55.9% 0 N/A% 0 N/A%
PDO::exec0 N/A% -21 -35.6% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 N/A% 0 N/A%