Diff Report
Run #5578e832a56c5: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5578e7733b8ce: 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 #5578e832a56c5Run #5578e7733b8ceDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)527 561 34 6.5%
Incl. Wall Time (microsec) per call 527 561 34 6.5%
Excl. Wall Time (microsec)34 35 1 2.9%
Incl. MemUse (bytes)12,944 12,976 32 0.2%
Incl. MemUse (bytes) per call 12,944 12,976 32 0.2%
Excl. MemUse (bytes)3,408 3,432 24 0.7%
Incl. PeakMemUse (bytes)12,216 12,248 32 0.3%
Incl. PeakMemUse (bytes) per call 12,216 12,248 32 0.3%
Excl. PeakMemUse (bytes)2,152 2,152 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% 34 261.5% 32 16.7% 32 13.8%
Exclusive Metrics Diff for Current Function1 2.9% 24 75.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 34 100.0% 32 100.0% 32 100.0%
Child functions
PDO::exec0 N/A% 34 100.0% 0 0.0% 32 100.0%
PDO::__construct0 N/A% -1 -2.9% 8 25.0% 0 0.0%
defined0 N/A% 0 0.0% 0 0.0% 0 0.0%