Diff Report
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb9d4924f: 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 #52f5cb0964fa0Run #52f5cb9d4924fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)310 334 24 7.7%
Incl. Wall Time (microsec) per call 310 334 24 7.7%
Excl. Wall Time (microsec)28 30 2 7.1%
Incl. CPU (microsecs)139 158 19 13.7%
Incl. CPU (microsecs) per call 139 158 19 13.7%
Excl. CPU (microsec)26 24 -2 -7.7%
Incl. MemUse (bytes)12,992 12,992 0 0.0%
Incl. MemUse (bytes) per call 12,992 12,992 0 0.0%
Excl. MemUse (bytes)3,344 3,344 0 0.0%
Incl. PeakMemUse (bytes)12,272 12,272 0 0.0%
Incl. PeakMemUse (bytes) per call 12,272 12,272 0 0.0%
Excl. PeakMemUse (bytes)1,976 1,976 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% 24 4.5% 19 4.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 8.3% -2 -10.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 24 100.0% 19 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 11 45.8% 15 78.9% 0 N/A% 0 N/A%
PDO::exec0 N/A% 11 45.8% 5 26.3% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 1 5.3% 0 N/A% 0 N/A%