Diff Report
Run #565918537d922: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5659186b7d6e0: 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 #565918537d922Run #5659186b7d6e0DiffDiff%
Number of Function Calls100 100 0 0.0%
Incl. Wall Time (microsec)73,641 73,643 2 0.0%
Incl. Wall Time (microsec) per call 736 736 0 0.0%
Excl. Wall Time (microsec)4,759 4,707 -52 -1.1%
Incl. MemUse (bytes)1,299,200 1,299,200 0 0.0%
Incl. MemUse (bytes) per call 12,992 12,992 0 0.0%
Excl. MemUse (bytes)340,800 340,800 0 0.0%
Incl. PeakMemUse (bytes)1,255,200 1,255,200 0 0.0%
Incl. PeakMemUse (bytes) per call 12,552 12,552 0 0.0%
Excl. PeakMemUse (bytes)201,600 201,600 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% 2 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-52 -2600.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 2 100.0% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% 54 2700.0% 0 N/A% 0 N/A%
PDO::__construct0 N/A% 1 50.0% 0 N/A% 0 N/A%
defined0 N/A% -1 -50.0% 0 N/A% 0 N/A%