Diff Report
Run #51a287c51097c: XHProf Run (Namespace=drupal-perf-trevorbradley)
vs.
Run #51a287416d8a8: XHProf Run (Namespace=drupal-perf-trevorbradley)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #51a287c51097cRun #51a287416d8a8DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)496 598 102 20.6%
Incl. Wall Time (microsec) per call 496 598 102 20.6%
Excl. Wall Time (microsec)46 63 17 37.0%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)6,032 6,032 0 0.0%
Incl. MemUse (bytes) per call 6,032 6,032 0 0.0%
Excl. MemUse (bytes)3,160 3,160 0 0.0%
Incl. PeakMemUse (bytes)5,552 5,552 0 0.0%
Incl. PeakMemUse (bytes) per call 5,552 5,552 0 0.0%
Excl. PeakMemUse (bytes)3,352 3,352 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% 102 9.5% 0 N/A% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function17 16.7% 0 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 102 100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% 56 54.9% 0 N/A% 0 N/A% 0 N/A%
PDO::__construct0 N/A% 28 27.5% 0 N/A% 0 N/A% 0 N/A%
implode0 N/A% 1 1.0% 0 N/A% 0 N/A% 0 N/A%