Diff Report
Run #52e49caf3c7f2: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e49d4d3a1f8: 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 #52e49caf3c7f2Run #52e49d4d3a1f8DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)550 541 -9 -1.6%
Incl. Wall Time (microsec) per call 550 541 -9 -1.6%
Excl. Wall Time (microsec)38 40 2 5.3%
Incl. CPU (microsecs)262 291 29 11.1%
Incl. CPU (microsecs) per call 262 291 29 11.1%
Excl. CPU (microsec)34 34 0 0.0%
Incl. MemUse (bytes)13,280 13,280 0 0.0%
Incl. MemUse (bytes) per call 13,280 13,280 0 0.0%
Excl. MemUse (bytes)3,136 3,136 0 0.0%
Incl. PeakMemUse (bytes)11,984 11,984 0 0.0%
Incl. PeakMemUse (bytes) per call 11,984 11,984 0 0.0%
Excl. PeakMemUse (bytes)1,856 1,856 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% -9 -0.9% 29 3.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 22.2% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -9 -100.0% 29 100.0% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% -13 -144.4% 8 27.6% 0 N/A% 0 N/A%
PDO::__construct0 N/A% 2 22.2% 21 72.4% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%