Diff Report
Run #53195bb0cc668: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53195a48b6f09: 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 #53195bb0cc668Run #53195a48b6f09DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)571 527 -44 -7.7%
Incl. Wall Time (microsec) per call 571 527 -44 -7.7%
Excl. Wall Time (microsec)45 43 -2 -4.4%
Incl. CPU (microsecs)315 272 -43 -13.7%
Incl. CPU (microsecs) per call 315 272 -43 -13.7%
Excl. CPU (microsec)39 37 -2 -5.1%
Incl. MemUse (bytes)13,280 13,280 0 0.0%
Incl. MemUse (bytes) per call 13,280 13,280 0 0.0%
Excl. MemUse (bytes)3,136 3,136 0 0.0%
Incl. PeakMemUse (bytes)12,120 12,120 0 0.0%
Incl. PeakMemUse (bytes) per call 12,120 12,120 0 0.0%
Excl. PeakMemUse (bytes)1,992 1,992 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% -44 -1.3% -43 -1.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -4.5% -2 -4.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -44 -100.0% -43 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -43 -97.7% -42 -97.7% 0 N/A% 0 N/A%
implode0 N/A% 1 2.3% 1 2.3% 0 N/A% 0 N/A%
PDO::exec0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%