Diff Report
Run #54e0a7d2151b1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #54e0a6d45fe2a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #54e0a7d2151b1Run #54e0a6d45fe2aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)320 333 13 4.1%
Incl. Wall Time (microsec) per call 320 333 13 4.1%
Excl. Wall Time (microsec)29 29 0 0.0%
Incl. CPU (microsecs)142 146 4 2.8%
Incl. CPU (microsecs) per call 142 146 4 2.8%
Excl. CPU (microsec)26 24 -2 -7.7%
Incl. MemUse (bytes)13,032 13,032 0 0.0%
Incl. MemUse (bytes) per call 13,032 13,032 0 0.0%
Excl. MemUse (bytes)3,320 3,320 0 0.0%
Incl. PeakMemUse (bytes)11,896 11,896 0 0.0%
Incl. PeakMemUse (bytes) per call 11,896 11,896 0 0.0%
Excl. PeakMemUse (bytes)2,064 2,064 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% 13 1.8% 4 1.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function0 0.0% -2 -50.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 13 100.0% 4 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 9 69.2% 4 100.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% 4 30.8% 1 25.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 1 25.0% 0 N/A% 0 N/A%