Diff Report
Run #523bd0c5929e9: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523bd15c0308e: 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 #523bd0c5929e9Run #523bd15c0308eDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)918 937 19 2.1%
Incl. Wall Time (microsec) per call 918 937 19 2.1%
Excl. Wall Time (microsec)46 47 1 2.2%
Incl. CPU (microsecs)327 346 19 5.8%
Incl. CPU (microsecs) per call 327 346 19 5.8%
Excl. CPU (microsec)41 42 1 2.4%
Incl. MemUse (bytes)12,968 12,976 8 0.1%
Incl. MemUse (bytes) per call 12,968 12,976 8 0.1%
Excl. MemUse (bytes)3,344 3,344 0 0.0%
Incl. PeakMemUse (bytes)12,632 12,640 8 0.1%
Incl. PeakMemUse (bytes) per call 12,632 12,640 8 0.1%
Excl. PeakMemUse (bytes)1,856 1,856 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% 19 0.9% 19 0.8% 8 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function1 5.3% 1 5.3% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 19 100.0% 19 100.0% 8 100.0% 8 100.0%
Child functions
PDO::__construct0 N/A% 13 68.4% 7 36.8% 8 100.0% 8 100.0%
PDO::exec0 N/A% 5 26.3% 9 47.4% 0 0.0% 0 0.0%
implode0 N/A% 0 0.0% 2 10.5% 0 0.0% 0 0.0%