Diff Report
Run #51b89dd280f98: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b89ec98250c: 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 #51b89dd280f98Run #51b89ec98250cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,165 721 -444 -38.1%
Incl. Wall Time (microsec) per call 1,165 721 -444 -38.1%
Excl. Wall Time (microsec)56 47 -9 -16.1%
Incl. CPU (microsecs)383 275 -108 -28.2%
Incl. CPU (microsecs) per call 383 275 -108 -28.2%
Excl. CPU (microsec)47 41 -6 -12.8%
Incl. MemUse (bytes)12,960 12,960 0 0.0%
Incl. MemUse (bytes) per call 12,960 12,960 0 0.0%
Excl. MemUse (bytes)3,344 3,344 0 0.0%
Incl. PeakMemUse (bytes)12,176 12,176 0 0.0%
Incl. PeakMemUse (bytes) per call 12,176 12,176 0 0.0%
Excl. PeakMemUse (bytes)1,904 1,904 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% -444 -3.2% -108 -0.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-9 -2.0% -6 -5.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -444 -100.0% -108 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -391 -88.1% -84 -77.8% 0 N/A% 0 N/A%
PDO::exec0 N/A% -45 -10.1% -21 -19.4% 0 N/A% 0 N/A%
implode0 N/A% 1 0.2% 3 2.8% 0 N/A% 0 N/A%