Diff Report
Run #51afe9a0d59b4: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51afea2244278: 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 #51afe9a0d59b4Run #51afea2244278DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)956 871 -85 -8.9%
Incl. Wall Time (microsec) per call 956 871 -85 -8.9%
Excl. Wall Time (microsec)39 38 -1 -2.6%
Incl. CPU (microsecs)307 276 -31 -10.1%
Incl. CPU (microsecs) per call 307 276 -31 -10.1%
Excl. CPU (microsec)33 31 -2 -6.1%
Incl. MemUse (bytes)12,800 12,800 0 0.0%
Incl. MemUse (bytes) per call 12,800 12,800 0 0.0%
Excl. MemUse (bytes)3,184 3,184 0 0.0%
Incl. PeakMemUse (bytes)11,848 11,848 0 0.0%
Incl. PeakMemUse (bytes) per call 11,848 11,848 0 0.0%
Excl. PeakMemUse (bytes)1,384 1,384 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% -85 -10.7% -31 -15.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -1.2% -2 -6.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -85 -100.0% -31 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -84 -98.8% -29 -93.5% 0 N/A% 0 N/A%
implode0 N/A% -1 -1.2% -1 -3.2% 0 N/A% 0 N/A%
PDO::exec0 N/A% 1 1.2% 1 3.2% 0 N/A% 0 N/A%