Diff Report
Run #553b9a86a14e1: XHProf Run (Namespace=drupal-perf-lauriii)
vs.
Run #553ba42a8e87e: XHProf Run (Namespace=drupal-perf-lauriii)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #553b9a86a14e1Run #553ba42a8e87eDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)264 322 58 22.0%
Incl. Wall Time (microsec) per call 264 322 58 22.0%
Excl. Wall Time (microsec)23 28 5 21.7%
Incl. MemUse (bytes)5,448 5,448 0 0.0%
Incl. MemUse (bytes) per call 5,448 5,448 0 0.0%
Excl. MemUse (bytes)3,272 3,272 0 0.0%
Incl. PeakMemUse (bytes)0 5,176 5,176 N/A%
Incl. PeakMemUse (bytes) per call 0 5,176 5,176 N/A%
Excl. PeakMemUse (bytes)0 3,544 3,544 N/A%

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% 58 0.0% 0 0.0% 5,176 0.3%
Exclusive Metrics Diff for Current Function5 8.6% 0 N/A% 3,544 68.5%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 58 100.0% 0 N/A% 5,176 100.0%
Child functions
PDO::__construct0 N/A% 40 69.0% 0 N/A% 576 11.1%
PDO::exec0 N/A% 13 22.4% 0 N/A% 568 11.0%
defined0 N/A% 0 0.0% 0 N/A% 488 9.4%