Diff Report
Run #519ffbe6eb79f: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #519ffb7471c72: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #519ffbe6eb79fRun #519ffb7471c72DiffDiff%
Number of Function Calls 1 1 N/A%
Incl. Wall Time (microsec) 637 637 N/A%
Incl. Wall Time (microsec) per call N/A 637 637 N/A%
Excl. Wall Time (microsec) 61 61 N/A%
Incl. CPU (microsecs) 0 0 N/A%
Incl. CPU (microsecs) per call N/A 0 0 N/A%
Excl. CPU (microsec) 0 0 N/A%
Incl. MemUse (bytes) 3,348 3,348 N/A%
Incl. MemUse (bytes) per call N/A 3,348 3,348 N/A%
Excl. MemUse (bytes) 1,596 1,596 N/A%
Incl. PeakMemUse (bytes) 3,088 3,088 N/A%
Incl. PeakMemUse (bytes) per call N/A 3,088 3,088 N/A%
Excl. PeakMemUse (bytes) 1,540 1,540 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. 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::open1 7.1% 637 0.1% 0 0.0% 3,348 0.0% 3,088 0.0%
Exclusive Metrics Diff for Current Function61 9.6% 0 N/A% 1,596 47.7% 1,540 49.9%
Parent function
Drupal\Core\Database\Database::openConnection1 100.0% 637 100.0% 0 N/A% 3,348 100.0% 3,088 100.0%
Child functions
PDO::__construct1 25.0% 383 60.1% 0 N/A% 576 17.2% 460 14.9%
PDO::exec2 50.0% 188 29.5% 0 N/A% 452 13.5% 452 14.6%
implode1 25.0% 5 0.8% 0 N/A% 724 21.6% 636 20.6%