Diff Report
Run #51e30f7568a45: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51e3103d95a81: 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 #51e30f7568a45Run #51e3103d95a81DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)952 584 -368 -38.7%
Incl. Wall Time (microsec) per call 952 584 -368 -38.7%
Excl. Wall Time (microsec)46 41 -5 -10.9%
Incl. CPU (microsecs)324 276 -48 -14.8%
Incl. CPU (microsecs) per call 324 276 -48 -14.8%
Excl. CPU (microsec)40 38 -2 -5.0%
Incl. MemUse (bytes)13,168 13,152 -16 -0.1%
Incl. MemUse (bytes) per call 13,168 13,152 -16 -0.1%
Excl. MemUse (bytes)3,536 3,536 0 0.0%
Incl. PeakMemUse (bytes)12,456 12,440 -16 -0.1%
Incl. PeakMemUse (bytes) per call 12,456 12,440 -16 -0.1%
Excl. PeakMemUse (bytes)1,952 1,952 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% -368 -5.7% -48 -10.2% -16 -0.0% -16 -0.0%
Exclusive Metrics Diff for Current Function-5 -1.4% -2 -4.2% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -368 -100.0% -48 -100.0% -16 -100.0% -16 -100.0%
Child functions
PDO::__construct0 N/A% -356 -96.7% -35 -72.9% -16 -100.0% -16 -100.0%
PDO::exec0 N/A% -6 -1.6% -9 -18.8% 0 0.0% 0 0.0%
implode0 N/A% -1 -0.3% -2 -4.2% 0 0.0% 0 0.0%