Diff Report
Run #5206d663ca0ba: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5206d6d973591: 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 #5206d663ca0baRun #5206d6d973591DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)968 1,189 221 22.8%
Incl. Wall Time (microsec) per call 968 1,189 221 22.8%
Excl. Wall Time (microsec)45 55 10 22.2%
Incl. CPU (microsecs)318 376 58 18.2%
Incl. CPU (microsecs) per call 318 376 58 18.2%
Excl. CPU (microsec)41 47 6 14.6%
Incl. MemUse (bytes)12,960 12,960 0 0.0%
Incl. MemUse (bytes) per call 12,960 12,960 0 0.0%
Excl. MemUse (bytes)3,344 3,344 0 0.0%
Incl. PeakMemUse (bytes)12,592 12,592 0 0.0%
Incl. PeakMemUse (bytes) per call 12,592 12,592 0 0.0%
Excl. PeakMemUse (bytes)1,904 1,904 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% 221 77.5% 58 33.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function10 4.5% 6 10.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 221 100.0% 58 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 163 73.8% 31 53.4% 0 N/A% 0 N/A%
PDO::exec0 N/A% 49 22.2% 22 37.9% 0 N/A% 0 N/A%
implode0 N/A% -1 -0.5% -1 -1.7% 0 N/A% 0 N/A%