Diff Report
Run #536ffbe232db1: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #536ffc2aeacea: 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 #536ffbe232db1Run #536ffc2aeaceaDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)638 652 14 2.2%
Incl. Wall Time (microsec) per call 638 652 14 2.2%
Excl. Wall Time (microsec)40 40 0 0.0%
Incl. CPU (microsecs)254 247 -7 -2.8%
Incl. CPU (microsecs) per call 254 247 -7 -2.8%
Excl. CPU (microsec)32 34 2 6.2%
Incl. MemUse (bytes)13,296 13,296 0 0.0%
Incl. MemUse (bytes) per call 13,296 13,296 0 0.0%
Excl. MemUse (bytes)3,136 3,136 0 0.0%
Incl. PeakMemUse (bytes)11,960 11,960 0 0.0%
Incl. PeakMemUse (bytes) per call 11,960 11,960 0 0.0%
Excl. PeakMemUse (bytes)1,944 1,944 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% 14 0.5% -7 -0.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% 2 28.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 14 100.0% -7 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 12 85.7% -11 -157.1% 0 N/A% 0 N/A%
PDO::exec0 N/A% 2 14.3% 3 42.9% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -1 -14.3% 0 N/A% 0 N/A%