Diff Report
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #51ec491641923Run #51ec485525502DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,033 1,030 -3 -0.3%
Incl. Wall Time (microsec) per call 1,033 1,030 -3 -0.3%
Excl. Wall Time (microsec)55 54 -1 -1.8%
Incl. CPU (microsecs)395 395 0 0.0%
Incl. CPU (microsecs) per call 395 395 0 0.0%
Excl. CPU (microsec)44 47 3 6.8%
Incl. MemUse (bytes)12,936 12,952 16 0.1%
Incl. MemUse (bytes) per call 12,936 12,952 16 0.1%
Excl. MemUse (bytes)3,344 3,360 16 0.5%
Incl. PeakMemUse (bytes)12,144 12,160 16 0.1%
Incl. PeakMemUse (bytes) per call 12,144 12,160 16 0.1%
Excl. PeakMemUse (bytes)1,808 1,808 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% -3 -0.2% 0 0.0% 16 0.0% 16 0.0%
Exclusive Metrics Diff for Current Function-1 -33.3% 3 N/A% 16 100.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -3 -100.0% 0 N/A% 16 100.0% 16 100.0%
Child functions
PDO::exec0 N/A% -2 -66.7% 0 N/A% 0 0.0% 0 0.0%
implode0 N/A% 0 0.0% -2 N/A% 0 0.0% 16 100.0%
PDO::__construct0 N/A% 0 0.0% -1 N/A% 0 0.0% 0 0.0%