Diff Report
Run #51ca5476d8061: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5414b31d9: 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 #51ca5476d8061Run #51ca5414b31d9DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)918 894 -24 -2.6%
Incl. Wall Time (microsec) per call 918 894 -24 -2.6%
Excl. Wall Time (microsec)49 48 -1 -2.0%
Incl. CPU (microsecs)316 328 12 3.8%
Incl. CPU (microsecs) per call 316 328 12 3.8%
Excl. CPU (microsec)45 43 -2 -4.4%
Incl. MemUse (bytes)13,152 13,152 0 0.0%
Incl. MemUse (bytes) per call 13,152 13,152 0 0.0%
Excl. MemUse (bytes)3,536 3,536 0 0.0%
Incl. PeakMemUse (bytes)12,472 12,472 0 0.0%
Incl. PeakMemUse (bytes) per call 12,472 12,472 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% -24 -2.0% 12 3.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -4.2% -2 -16.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -24 -100.0% 12 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -26 -108.3% 16 133.3% 0 N/A% 0 N/A%
PDO::exec0 N/A% 2 8.3% -3 -25.0% 0 N/A% 0 N/A%
implode0 N/A% 1 4.2% 1 8.3% 0 N/A% 0 N/A%