Diff Report
Run #52a03729e7d1a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52a037bb4f6e8: 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 #52a037bb4f6e8DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)569 540 -29 -5.1%
Incl. Wall Time (microsec) per call 569 540 -29 -5.1%
Excl. Wall Time (microsec)42 46 4 9.5%
Incl. CPU (microsecs)294 275 -19 -6.5%
Incl. CPU (microsecs) per call 294 275 -19 -6.5%
Excl. CPU (microsec)36 38 2 5.6%
Incl. MemUse (bytes)13,016 12,992 -24 -0.2%
Incl. MemUse (bytes) per call 13,016 12,992 -24 -0.2%
Excl. MemUse (bytes)3,344 3,320 -24 -0.7%
Incl. PeakMemUse (bytes)12,576 12,616 40 0.3%
Incl. PeakMemUse (bytes) per call 12,576 12,616 40 0.3%
Excl. PeakMemUse (bytes)1,880 1,856 -24 -1.3%

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% -29 -3.5% -19 -2.2% -24 -0.0% 40 0.1%
Exclusive Metrics Diff for Current Function4 13.8% 2 10.5% -24 -100.0% -24 -60.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -29 -100.0% -19 -100.0% -24 -100.0% 40 100.0%
Child functions
PDO::__construct0 N/A% -37 -127.6% -37 -194.7% 0 0.0% 0 0.0%
PDO::exec0 N/A% 3 10.3% 13 68.4% -24 -100.0% 0 0.0%
implode0 N/A% 1 3.4% 3 15.8% 24 100.0% 64 160.0%