Diff Report
Run #5178989df1d0f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517896dc57c6e: 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 #5178989df1d0fRun #517896dc57c6eDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,068 1,071 3 0.3%
Incl. Wall Time (microsec) per call 1,068 1,071 3 0.3%
Excl. Wall Time (microsec)35 34 -1 -2.9%
Incl. CPU (microsecs)474 467 -7 -1.5%
Incl. CPU (microsecs) per call 474 467 -7 -1.5%
Excl. CPU (microsec)30 31 1 3.3%
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)48,600 48,600 0 0.0%
Incl. PeakMemUse (bytes) per call 48,600 48,600 0 0.0%
Excl. PeakMemUse (bytes)3,128 3,128 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% 3 0.1% -7 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -33.3% 1 14.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 3 100.0% -7 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::__construct0 N/A% 3 100.0% -10 -142.9% 0 N/A% 0 N/A%
PDO::exec0 N/A% 1 33.3% 2 28.6% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%