Diff Report
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1bb406b02: 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 #517c1c27a12c9Run #517c1bb406b02DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)673 1,118 445 66.1%
Incl. Wall Time (microsec) per call 673 1,118 445 66.1%
Excl. Wall Time (microsec)39 33 -6 -15.4%
Incl. CPU (microsecs)444 522 78 17.6%
Incl. CPU (microsecs) per call 444 522 78 17.6%
Excl. CPU (microsec)35 30 -5 -14.3%
Incl. MemUse (bytes)46,056 46,064 8 0.0%
Incl. MemUse (bytes) per call 46,056 46,064 8 0.0%
Excl. MemUse (bytes)1,712 1,720 8 0.5%
Incl. PeakMemUse (bytes)48,496 47,952 -544 -1.1%
Incl. PeakMemUse (bytes) per call 48,496 47,952 -544 -1.1%
Excl. PeakMemUse (bytes)3,088 3,120 32 1.0%

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% 445 0.2% 78 0.1% 8 0.0% -544 -0.1%
Exclusive Metrics Diff for Current Function-6 -1.3% -5 -6.4% 8 100.0% 32 5.9%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 445 100.0% 78 100.0% 8 100.0% -544 -100.0%
Child functions
Drupal\Core\Database\Connection::__construct0 N/A% 452 101.6% 86 110.3% 0 0.0% -576 -105.9%
PDO::exec0 N/A% -1 -0.2% -3 -3.8% 0 0.0% 0 0.0%
implode0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%