Diff Report
Run #517896dc57c6e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5178989df1d0f: 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 #517896dc57c6eRun #5178989df1d0fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,071 1,068 -3 -0.3%
Incl. Wall Time (microsec) per call 1,071 1,068 -3 -0.3%
Excl. Wall Time (microsec)34 35 1 2.9%
Incl. CPU (microsecs)467 474 7 1.5%
Incl. CPU (microsecs) per call 467 474 7 1.5%
Excl. CPU (microsec)31 30 -1 -3.2%
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 Function1 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%