Diff Report
Run #550de0b43acdf: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #550de0f0bfc62: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #550de0b43acdfRun #550de0f0bfc62DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)288 293 5 1.7%
Incl. Wall Time (microsec) per call 288 293 5 1.7%
Excl. Wall Time (microsec)36 39 3 8.3%
Incl. MemUse (bytes)5,624 5,624 0 0.0%
Incl. MemUse (bytes) per call 5,624 5,624 0 0.0%
Excl. MemUse (bytes)3,176 3,176 0 0.0%
Incl. PeakMemUse (bytes)5,024 5,024 0 0.0%
Incl. PeakMemUse (bytes) per call 5,024 5,024 0 0.0%
Excl. PeakMemUse (bytes)3,440 3,440 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% 5 0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 60.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 5 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 1 20.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% 1 20.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 N/A% 0 N/A%