Diff Report
Run #519bd405e5fe3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519bd4c5b5ac8: 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 #519bd405e5fe3Run #519bd4c5b5ac8DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)843 1,213 370 43.9%
Incl. Wall Time (microsec) per call 843 1,213 370 43.9%
Excl. Wall Time (microsec)46 56 10 21.7%
Incl. CPU (microsecs)308 388 80 26.0%
Incl. CPU (microsecs) per call 308 388 80 26.0%
Excl. CPU (microsec)41 48 7 17.1%
Incl. MemUse (bytes)12,968 12,968 0 0.0%
Incl. MemUse (bytes) per call 12,968 12,968 0 0.0%
Excl. MemUse (bytes)3,352 3,352 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% 370 12.7% 80 4.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function10 2.7% 7 8.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 370 100.0% 80 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 306 82.7% 49 61.3% 0 N/A% 0 N/A%
PDO::exec0 N/A% 54 14.6% 24 30.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%