Diff Report
Run #51904f8640386: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519050b464828: 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 #51904f8640386Run #519050b464828DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)992 927 -65 -6.6%
Incl. Wall Time (microsec) per call 992 927 -65 -6.6%
Excl. Wall Time (microsec)37 34 -3 -8.1%
Incl. CPU (microsecs)483 437 -46 -9.5%
Incl. CPU (microsecs) per call 483 437 -46 -9.5%
Excl. CPU (microsec)33 27 -6 -18.2%
Incl. MemUse (bytes)46,112 46,112 0 0.0%
Incl. MemUse (bytes) per call 46,112 46,112 0 0.0%
Excl. MemUse (bytes)1,712 1,712 0 0.0%
Incl. PeakMemUse (bytes)48,184 48,184 0 0.0%
Incl. PeakMemUse (bytes) per call 48,184 48,184 0 0.0%
Excl. PeakMemUse (bytes)2,712 2,712 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% -65 -70.7% -46 -9.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -4.6% -6 -13.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -65 -100.0% -46 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::__construct0 N/A% -50 -76.9% -39 -84.8% 0 N/A% 0 N/A%
PDO::exec0 N/A% -12 -18.5% -2 -4.3% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 1 2.2% 0 N/A% 0 N/A%