Diff Report
Run #5230a9efcd55c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5230a98f3b26c: 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 #5230a9efcd55cRun #5230a98f3b26cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)926 906 -20 -2.2%
Incl. Wall Time (microsec) per call 926 906 -20 -2.2%
Excl. Wall Time (microsec)47 49 2 4.3%
Incl. CPU (microsecs)324 304 -20 -6.2%
Incl. CPU (microsecs) per call 324 304 -20 -6.2%
Excl. CPU (microsec)42 44 2 4.8%
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 Function2 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%