Diff Report
Run #519d9d94433aa: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9cf28420e: 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 #519d9d94433aaRun #519d9cf28420eDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)535 573 38 7.1%
Incl. Wall Time (microsec) per call 535 573 38 7.1%
Excl. Wall Time (microsec)42 43 1 2.4%
Incl. CPU (microsecs)220 273 53 24.1%
Incl. CPU (microsecs) per call 220 273 53 24.1%
Excl. CPU (microsec)38 39 1 2.6%
Incl. MemUse (bytes)12,608 12,608 0 0.0%
Incl. MemUse (bytes) per call 12,608 12,608 0 0.0%
Excl. MemUse (bytes)3,464 3,464 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% 38 1.5% 53 5.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 2.6% 1 1.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 38 100.0% 53 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 37 97.4% 42 79.2% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% 0 0.0% 10 18.9% 0 N/A% 0 N/A%