Diff Report
Run #52e6fc5cc809e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e6fca507bc1: 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 #52e6fc5cc809eRun #52e6fca507bc1DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)544 608 64 11.8%
Incl. Wall Time (microsec) per call 544 608 64 11.8%
Excl. Wall Time (microsec)48 49 1 2.1%
Incl. CPU (microsecs)279 313 34 12.2%
Incl. CPU (microsecs) per call 279 313 34 12.2%
Excl. CPU (microsec)41 41 0 0.0%
Incl. MemUse (bytes)13,280 13,280 0 0.0%
Incl. MemUse (bytes) per call 13,280 13,280 0 0.0%
Excl. MemUse (bytes)3,136 3,136 0 0.0%
Incl. PeakMemUse (bytes)12,032 12,032 0 0.0%
Incl. PeakMemUse (bytes) per call 12,032 12,032 0 0.0%
Excl. PeakMemUse (bytes)1,904 1,904 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% 64 14.7% 34 45.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 1.6% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 64 100.0% 34 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 89 139.1% 23 67.6% 0 N/A% 0 N/A%
PDO::exec0 N/A% -27 -42.2% 9 26.5% 0 N/A% 0 N/A%
implode0 N/A% 1 1.6% 2 5.9% 0 N/A% 0 N/A%