Diff Report
Run #5350e128cfd2b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5350e2663e694: 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 #5350e128cfd2bRun #5350e2663e694DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)326 313 -13 -4.0%
Incl. Wall Time (microsec) per call 326 313 -13 -4.0%
Excl. Wall Time (microsec)28 28 0 0.0%
Incl. CPU (microsecs)144 140 -4 -2.8%
Incl. CPU (microsecs) per call 144 140 -4 -2.8%
Excl. CPU (microsec)24 25 1 4.2%
Incl. MemUse (bytes)13,176 13,176 0 0.0%
Incl. MemUse (bytes) per call 13,176 13,176 0 0.0%
Excl. MemUse (bytes)3,528 3,528 0 0.0%
Incl. PeakMemUse (bytes)12,808 12,808 0 0.0%
Incl. PeakMemUse (bytes) per call 12,808 12,808 0 0.0%
Excl. PeakMemUse (bytes)2,240 2,240 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% -13 -0.8% -4 -0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function0 0.0% 1 25.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -13 -100.0% -4 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -9 -69.2% -3 -75.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% -4 -30.8% -1 -25.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -1 -25.0% 0 N/A% 0 N/A%