Diff Report
Run #52c642960e9a6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c641a950046: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #52c642960e9a6Run #52c641a950046DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)303 303 0 0.0%
Incl. Wall Time (microsec) per call 303 303 0 0.0%
Excl. Wall Time (microsec)27 26 -1 -3.7%
Incl. CPU (microsecs)134 133 -1 -0.7%
Incl. CPU (microsecs) per call 134 133 -1 -0.7%
Excl. CPU (microsec)26 22 -4 -15.4%
Incl. MemUse (bytes)13,016 13,016 0 0.0%
Incl. MemUse (bytes) per call 13,016 13,016 0 0.0%
Excl. MemUse (bytes)3,368 3,368 0 0.0%
Incl. PeakMemUse (bytes)12,144 12,144 0 0.0%
Incl. PeakMemUse (bytes) per call 12,144 12,144 0 0.0%
Excl. PeakMemUse (bytes)1,800 1,800 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. 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% 0 0.0% -1 -0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 N/A% -4 -400.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 0 N/A% -1 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 2 N/A% 3 300.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% -1 N/A% 0 0.0% 0 N/A% 0 N/A%
implode0 N/A% 0 N/A% 0 0.0% 0 N/A% 0 N/A%