Diff Report
Run #519eade6f30be: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ead03a5283: 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 #519eade6f30beRun #519ead03a5283DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)937 768 -169 -18.0%
Incl. Wall Time (microsec) per call 937 768 -169 -18.0%
Excl. Wall Time (microsec)40 34 -6 -15.0%
Incl. CPU (microsecs)298 238 -60 -20.1%
Incl. CPU (microsecs) per call 298 238 -60 -20.1%
Excl. CPU (microsec)33 31 -2 -6.1%
Incl. MemUse (bytes)12,824 12,824 0 0.0%
Incl. MemUse (bytes) per call 12,824 12,824 0 0.0%
Excl. MemUse (bytes)3,184 3,184 0 0.0%
Incl. PeakMemUse (bytes)12,032 12,032 0 0.0%
Incl. PeakMemUse (bytes) per call 12,032 12,032 0 0.0%
Excl. PeakMemUse (bytes)1,608 1,608 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% -169 -6.3% -60 -5.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -3.6% -2 -3.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -169 -100.0% -60 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -152 -89.9% -43 -71.7% 0 N/A% 0 N/A%
PDO::exec0 N/A% -10 -5.9% -14 -23.3% 0 N/A% 0 N/A%
implode0 N/A% -1 -0.6% -1 -1.7% 0 N/A% 0 N/A%