Diff Report
Run #517d51ae434de: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d52b5a5611: 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 #517d51ae434deRun #517d52b5a5611DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,153 970 -183 -15.9%
Incl. Wall Time (microsec) per call 1,153 970 -183 -15.9%
Excl. Wall Time (microsec)42 32 -10 -23.8%
Incl. CPU (microsecs)546 514 -32 -5.9%
Incl. CPU (microsecs) per call 546 514 -32 -5.9%
Excl. CPU (microsec)37 28 -9 -24.3%
Incl. MemUse (bytes)46,056 46,056 0 0.0%
Incl. MemUse (bytes) per call 46,056 46,056 0 0.0%
Excl. MemUse (bytes)1,712 1,712 0 0.0%
Incl. PeakMemUse (bytes)48,440 48,440 0 0.0%
Incl. PeakMemUse (bytes) per call 48,440 48,440 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% -183 -7.5% -32 -2.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-10 -5.5% -9 -28.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -183 -100.0% -32 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% -105 -57.4% -19 -59.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::__construct0 N/A% -65 -35.5% 1 3.1% 0 N/A% 0 N/A%
implode0 N/A% -3 -1.6% -5 -15.6% 0 N/A% 0 N/A%