Diff Report
Run #560d810c7abba: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #560d7dac0c098: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #560d810c7abbaRun #560d7dac0c098DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)361 329 -32 -8.9%
Incl. Wall Time (microsec) per call 361 329 -32 -8.9%
Excl. Wall Time (microsec)27 29 2 7.4%
Incl. MemUse (bytes)12,912 12,912 0 0.0%
Incl. MemUse (bytes) per call 12,912 12,912 0 0.0%
Excl. MemUse (bytes)3,408 3,408 0 0.0%
Incl. PeakMemUse (bytes)11,664 11,664 0 0.0%
Incl. PeakMemUse (bytes) per call 11,664 11,664 0 0.0%
Excl. PeakMemUse (bytes)2,016 2,016 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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -32 -2.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 6.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -32 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -19 -59.4% 0 N/A% 0 N/A%
PDO::exec0 N/A% -15 -46.9% 0 N/A% 0 N/A%
defined0 N/A% 0 0.0% 0 N/A% 0 N/A%