Diff Report
Run #52e49caf3c7f2: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e49d73f02cb: 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 #52e49caf3c7f2Run #52e49d73f02cbDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)550 526 -24 -4.4%
Incl. Wall Time (microsec) per call 550 526 -24 -4.4%
Excl. Wall Time (microsec)38 44 6 15.8%
Incl. CPU (microsecs)262 267 5 1.9%
Incl. CPU (microsecs) per call 262 267 5 1.9%
Excl. CPU (microsec)34 40 6 17.6%
Incl. MemUse (bytes)13,280 13,280 0 0.0%
Incl. MemUse (bytes) per call 13,280 13,280 0 0.0%
Excl. MemUse (bytes)3,136 3,136 0 0.0%
Incl. PeakMemUse (bytes)11,984 12,032 48 0.4%
Incl. PeakMemUse (bytes) per call 11,984 12,032 48 0.4%
Excl. PeakMemUse (bytes)1,856 1,904 48 2.6%

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::open0 N/A% -24 -1.0% 5 0.2% 0 0.0% 48 0.1%
Exclusive Metrics Diff for Current Function6 25.0% 6 120.0% 0 N/A% 48 100.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -24 -100.0% 5 100.0% 0 N/A% 48 100.0%
Child functions
PDO::__construct0 N/A% -34 -141.7% -25 -500.0% 0 N/A% 0 0.0%
implode0 N/A% 2 8.3% 2 40.0% 0 N/A% 0 0.0%
PDO::exec0 N/A% 2 8.3% 22 440.0% 0 N/A% 0 0.0%