Diff Report
Run #51aad15cb89bb: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aad231c9c46: 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 #51aad15cb89bbRun #51aad231c9c46DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)814 799 -15 -1.8%
Incl. Wall Time (microsec) per call 814 799 -15 -1.8%
Excl. Wall Time (microsec)41 45 4 9.8%
Incl. CPU (microsecs)313 349 36 11.5%
Incl. CPU (microsecs) per call 313 349 36 11.5%
Excl. CPU (microsec)35 39 4 11.4%
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 Function4 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%