Diff Report
Run #518eee9367b5d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518eefcaea15f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::__construct

Drupal\Core\Database\Driver\mysql\Connection::__constructRun #518eee9367b5dRun #518eefcaea15fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)899 1,030 131 14.6%
Incl. Wall Time (microsec) per call 899 1,030 131 14.6%
Excl. Wall Time (microsec)33 35 2 6.1%
Incl. CPU (microsecs)454 560 106 23.3%
Incl. CPU (microsecs) per call 454 560 106 23.3%
Excl. CPU (microsec)27 31 4 14.8%
Incl. MemUse (bytes)46,096 46,096 0 0.0%
Incl. MemUse (bytes) per call 46,096 46,096 0 0.0%
Excl. MemUse (bytes)1,712 1,712 0 0.0%
Incl. PeakMemUse (bytes)48,536 48,536 0 0.0%
Incl. PeakMemUse (bytes) per call 48,536 48,536 0 0.0%
Excl. PeakMemUse (bytes)3,088 3,088 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Driver\mysql\Connection::__construct [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::__construct0 N/A% 131 198.5% 106 12.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 1.5% 4 3.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 131 100.0% 106 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::__construct0 N/A% 131 100.0% 95 89.6% 0 N/A% 0 N/A%
PDO::exec0 N/A% -2 -1.5% 8 7.5% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -1 -0.9% 0 N/A% 0 N/A%