Diff Report
Run #51a287779d22e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51a287f454ce8: 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 #51a287779d22eRun #51a287f454ce8DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,137 1,163 26 2.3%
Incl. Wall Time (microsec) per call 1,137 1,163 26 2.3%
Excl. Wall Time (microsec)46 44 -2 -4.3%
Incl. CPU (microsecs)349 365 16 4.6%
Incl. CPU (microsecs) per call 349 365 16 4.6%
Excl. CPU (microsec)37 36 -1 -2.7%
Incl. MemUse (bytes)12,816 12,816 0 0.0%
Incl. MemUse (bytes) per call 12,816 12,816 0 0.0%
Excl. MemUse (bytes)3,200 3,200 0 0.0%
Incl. PeakMemUse (bytes)12,024 12,024 0 0.0%
Incl. PeakMemUse (bytes) per call 12,024 12,024 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% 26 4.0% 16 1.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -7.7% -1 -6.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 26 100.0% 16 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 25 96.2% 21 131.2% 0 N/A% 0 N/A%
PDO::exec0 N/A% 3 11.5% -4 -25.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%