Diff Report
Run #52a03729e7d1a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52a03772cdd55: 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 #52a03729e7d1aRun #52a03772cdd55DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)569 556 -13 -2.3%
Incl. Wall Time (microsec) per call 569 556 -13 -2.3%
Excl. Wall Time (microsec)42 45 3 7.1%
Incl. CPU (microsecs)294 277 -17 -5.8%
Incl. CPU (microsecs) per call 294 277 -17 -5.8%
Excl. CPU (microsec)36 39 3 8.3%
Incl. MemUse (bytes)13,016 13,016 0 0.0%
Incl. MemUse (bytes) per call 13,016 13,016 0 0.0%
Excl. MemUse (bytes)3,344 3,344 0 0.0%
Incl. PeakMemUse (bytes)12,576 12,576 0 0.0%
Incl. PeakMemUse (bytes) per call 12,576 12,576 0 0.0%
Excl. PeakMemUse (bytes)1,880 1,880 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% -13 -0.3% -17 -0.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 23.1% 3 17.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -13 -100.0% -17 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% -14 -107.7% 9 52.9% 0 N/A% 0 N/A%
PDO::__construct0 N/A% -3 -23.1% -31 -182.4% 0 N/A% 0 N/A%
implode0 N/A% 1 7.7% 2 11.8% 0 N/A% 0 N/A%