Diff Report
Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccbd4518b6: 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 #531ccb2cb8e3dRun #531ccbd4518b6DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)332 328 -4 -1.2%
Incl. Wall Time (microsec) per call 332 328 -4 -1.2%
Excl. Wall Time (microsec)29 31 2 6.9%
Incl. CPU (microsecs)146 150 4 2.7%
Incl. CPU (microsecs) per call 146 150 4 2.7%
Excl. CPU (microsec)25 30 5 20.0%
Incl. MemUse (bytes)13,160 13,160 0 0.0%
Incl. MemUse (bytes) per call 13,160 13,160 0 0.0%
Excl. MemUse (bytes)3,512 3,512 0 0.0%
Incl. PeakMemUse (bytes)12,344 12,344 0 0.0%
Incl. PeakMemUse (bytes) per call 12,344 12,344 0 0.0%
Excl. PeakMemUse (bytes)1,776 1,776 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% -4 -4.1% 4 1.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 50.0% 5 125.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -4 -100.0% 4 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -6 -150.0% 0 0.0% 0 N/A% 0 N/A%
implode0 N/A% 1 25.0% 0 0.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% -1 -25.0% -1 -25.0% 0 N/A% 0 N/A%