Diff Report
Run #52e97b490de91: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e97bda33da9: 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 #52e97b490de91Run #52e97bda33da9DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)547 598 51 9.3%
Incl. Wall Time (microsec) per call 547 598 51 9.3%
Excl. Wall Time (microsec)50 51 1 2.0%
Incl. CPU (microsecs)300 337 37 12.3%
Incl. CPU (microsecs) per call 300 337 37 12.3%
Excl. CPU (microsec)44 44 0 0.0%
Incl. MemUse (bytes)13,320 13,320 0 0.0%
Incl. MemUse (bytes) per call 13,320 13,320 0 0.0%
Excl. MemUse (bytes)3,176 3,176 0 0.0%
Incl. PeakMemUse (bytes)11,976 11,976 0 0.0%
Incl. PeakMemUse (bytes) per call 11,976 11,976 0 0.0%
Excl. PeakMemUse (bytes)1,848 1,848 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% 51 13.1% 37 2.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 2.0% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 51 100.0% 37 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 52 102.0% 39 105.4% 0 N/A% 0 N/A%
PDO::exec0 N/A% -3 -5.9% -3 -8.1% 0 N/A% 0 N/A%
implode0 N/A% 1 2.0% 1 2.7% 0 N/A% 0 N/A%