Diff Report
Run #52a037bb4f6e8: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52a03729e7d1a: 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 #52a037bb4f6e8Run #52a03729e7d1aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)540 569 29 5.4%
Incl. Wall Time (microsec) per call 540 569 29 5.4%
Excl. Wall Time (microsec)46 42 -4 -8.7%
Incl. CPU (microsecs)275 294 19 6.9%
Incl. CPU (microsecs) per call 275 294 19 6.9%
Excl. CPU (microsec)38 36 -2 -5.3%
Incl. MemUse (bytes)12,992 13,016 24 0.2%
Incl. MemUse (bytes) per call 12,992 13,016 24 0.2%
Excl. MemUse (bytes)3,320 3,344 24 0.7%
Incl. PeakMemUse (bytes)12,616 12,576 -40 -0.3%
Incl. PeakMemUse (bytes) per call 12,616 12,576 -40 -0.3%
Excl. PeakMemUse (bytes)1,856 1,880 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 Function-4 -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%