Diff Report
Run #5251f691abb85: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5251f592ab279: 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 #5251f691abb85Run #5251f592ab279DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)872 890 18 2.1%
Incl. Wall Time (microsec) per call 872 890 18 2.1%
Excl. Wall Time (microsec)43 41 -2 -4.7%
Incl. CPU (microsecs)306 300 -6 -2.0%
Incl. CPU (microsecs) per call 306 300 -6 -2.0%
Excl. CPU (microsec)37 36 -1 -2.7%
Incl. MemUse (bytes)12,968 12,968 0 0.0%
Incl. MemUse (bytes) per call 12,968 12,968 0 0.0%
Excl. MemUse (bytes)3,352 3,352 0 0.0%
Incl. PeakMemUse (bytes)12,632 12,632 0 0.0%
Incl. PeakMemUse (bytes) per call 12,632 12,632 0 0.0%
Excl. PeakMemUse (bytes)1,856 1,856 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. 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::open0 N/A% 18 0.9% -6 -0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -11.1% -1 -16.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 18 100.0% -6 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 21 116.7% -11 -183.3% 0 N/A% 0 N/A%
PDO::exec0 N/A% -1 -5.6% 5 83.3% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 1 16.7% 0 N/A% 0 N/A%