Diff Report
Run #539fd0a78f1b7: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #539fd2109980d: 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 #539fd0a78f1b7Run #539fd2109980dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)580 684 104 17.9%
Incl. Wall Time (microsec) per call 580 684 104 17.9%
Excl. Wall Time (microsec)42 46 4 9.5%
Incl. CPU (microsecs)274 294 20 7.3%
Incl. CPU (microsecs) per call 274 294 20 7.3%
Excl. CPU (microsec)38 37 -1 -2.6%
Incl. MemUse (bytes)13,296 13,296 0 0.0%
Incl. MemUse (bytes) per call 13,296 13,296 0 0.0%
Excl. MemUse (bytes)3,136 3,136 0 0.0%
Incl. PeakMemUse (bytes)11,960 11,960 0 0.0%
Incl. PeakMemUse (bytes) per call 11,960 11,960 0 0.0%
Excl. PeakMemUse (bytes)1,944 1,944 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% 104 1.5% 20 0.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 3.8% -1 -5.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 104 100.0% 20 100.0% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% 86 82.7% 6 30.0% 0 N/A% 0 N/A%
PDO::__construct0 N/A% 14 13.5% 13 65.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 2 10.0% 0 N/A% 0 N/A%