Diff Report
Run #5230a98f3b26c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5230a9efcd55c: 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 #5230a98f3b26cRun #5230a9efcd55cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)906 926 20 2.2%
Incl. Wall Time (microsec) per call 906 926 20 2.2%
Excl. Wall Time (microsec)49 47 -2 -4.1%
Incl. CPU (microsecs)304 324 20 6.6%
Incl. CPU (microsecs) per call 304 324 20 6.6%
Excl. CPU (microsec)44 42 -2 -4.5%
Incl. MemUse (bytes)13,128 13,128 0 0.0%
Incl. MemUse (bytes) per call 13,128 13,128 0 0.0%
Excl. MemUse (bytes)3,512 3,512 0 0.0%
Incl. PeakMemUse (bytes)12,416 12,416 0 0.0%
Incl. PeakMemUse (bytes) per call 12,416 12,416 0 0.0%
Excl. PeakMemUse (bytes)1,952 1,952 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% 20 1.5% 20 1.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -10.0% -2 -10.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 20 100.0% 20 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 24 120.0% 23 115.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% -2 -10.0% -1 -5.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%