Diff Report
Run #517c7dc1dc4c3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c7d73caad2: 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 #517c7dc1dc4c3Run #517c7d73caad2DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,052 1,055 3 0.3%
Incl. Wall Time (microsec) per call 1,052 1,055 3 0.3%
Excl. Wall Time (microsec)31 33 2 6.5%
Incl. CPU (microsecs)545 572 27 5.0%
Incl. CPU (microsecs) per call 545 572 27 5.0%
Excl. CPU (microsec)32 31 -1 -3.1%
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% 3 0.8% 27 2.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 66.7% -1 -3.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 3 100.0% 27 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::__construct0 N/A% 3 100.0% 28 103.7% 0 N/A% 0 N/A%
PDO::exec0 N/A% -2 -66.7% -1 -3.7% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 1 3.7% 0 N/A% 0 N/A%