Diff Report
Run #544333b05173f: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #54433ad6a7755: 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 #544333b05173fRun #54433ad6a7755DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)621 587 -34 -5.5%
Incl. Wall Time (microsec) per call 621 587 -34 -5.5%
Excl. Wall Time (microsec)46 47 1 2.2%
Incl. CPU (microsecs)275 312 37 13.5%
Incl. CPU (microsecs) per call 275 312 37 13.5%
Excl. CPU (microsec)41 42 1 2.4%
Incl. MemUse (bytes)13,480 13,480 0 0.0%
Incl. MemUse (bytes) per call 13,480 13,480 0 0.0%
Excl. MemUse (bytes)3,320 3,320 0 0.0%
Incl. PeakMemUse (bytes)12,760 12,760 0 0.0%
Incl. PeakMemUse (bytes) per call 12,760 12,760 0 0.0%
Excl. PeakMemUse (bytes)2,008 2,008 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% -34 -0.0% 37 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 2.9% 1 2.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -34 -100.0% 37 100.0% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% -25 -73.5% 15 40.5% 0 N/A% 0 N/A%
PDO::__construct0 N/A% -10 -29.4% 22 59.5% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -1 -2.7% 0 N/A% 0 N/A%