Diff Report
Run #51a518f009231: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a5256dc4557: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #51a518f009231Run #51a5256dc4557DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,042 463 -579 -55.6%
Incl. Wall Time (microsec) per call 1,042 463 -579 -55.6%
Excl. Wall Time (microsec)96 55 -41 -42.7%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)3,348 3,348 0 0.0%
Incl. MemUse (bytes) per call 3,348 3,348 0 0.0%
Excl. MemUse (bytes)1,596 1,596 0 0.0%
Incl. PeakMemUse (bytes)2,960 2,960 0 0.0%
Incl. PeakMemUse (bytes) per call 2,960 2,960 0 0.0%
Excl. PeakMemUse (bytes)1,412 1,412 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% -579 -16.5% 0 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-41 -7.1% 0 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -579 -100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -324 -56.0% 0 N/A% 0 N/A% 0 N/A%
PDO::exec0 N/A% -206 -35.6% 0 N/A% 0 N/A% 0 N/A%
implode0 N/A% -8 -1.4% 0 N/A% 0 N/A% 0 N/A%