Diff Report
Run #539fd2b68bc13: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #539fd0a78f1b7: 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 #539fd2b68bc13Run #539fd0a78f1b7DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)576 580 4 0.7%
Incl. Wall Time (microsec) per call 576 580 4 0.7%
Excl. Wall Time (microsec)44 42 -2 -4.5%
Incl. CPU (microsecs)257 274 17 6.6%
Incl. CPU (microsecs) per call 257 274 17 6.6%
Excl. CPU (microsec)39 38 -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% 4 0.0% 17 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -50.0% -1 -5.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 4 100.0% 17 100.0% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% 14 350.0% 12 70.6% 0 N/A% 0 N/A%
PDO::__construct0 N/A% -8 -200.0% 8 47.1% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -2 -11.8% 0 N/A% 0 N/A%