Diff Report
Run #51aad231c9c46: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aad15cb89bb: 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 #51aad231c9c46Run #51aad15cb89bbDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)799 814 15 1.9%
Incl. Wall Time (microsec) per call 799 814 15 1.9%
Excl. Wall Time (microsec)45 41 -4 -8.9%
Incl. CPU (microsecs)349 313 -36 -10.3%
Incl. CPU (microsecs) per call 349 313 -36 -10.3%
Excl. CPU (microsec)39 35 -4 -10.3%
Incl. MemUse (bytes)13,016 13,016 0 0.0%
Incl. MemUse (bytes) per call 13,016 13,016 0 0.0%
Excl. MemUse (bytes)3,352 3,352 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% 15 5.6% -36 -2.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-4 -26.7% -4 -11.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 15 100.0% -36 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 134 893.3% -5 -13.9% 0 N/A% 0 N/A%
PDO::exec0 N/A% -114 -760.0% -26 -72.2% 0 N/A% 0 N/A%
implode0 N/A% -1 -6.7% -1 -2.8% 0 N/A% 0 N/A%