Diff Report
Run #51774c26bf054: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51774cdfb1214: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #51774c26bf054Run #51774cdfb1214DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)775 878 103 13.3%
Incl. Wall Time (microsec) per call 775 878 103 13.3%
Excl. Wall Time (microsec)25 24 -1 -4.0%
Incl. CPU (microsecs)394 413 19 4.8%
Incl. CPU (microsecs) per call 394 413 19 4.8%
Excl. CPU (microsec)22 21 -1 -4.5%
Incl. MemUse (bytes)42,488 42,488 0 0.0%
Incl. MemUse (bytes) per call 42,488 42,488 0 0.0%
Excl. MemUse (bytes)2,080 2,080 0 0.0%
Incl. PeakMemUse (bytes)43,232 43,232 0 0.0%
Incl. PeakMemUse (bytes) per call 43,232 43,232 0 0.0%
Excl. PeakMemUse (bytes)1,776 1,776 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\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\Connection::__construct0 N/A% 103 0.4% 19 0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -1.0% -1 -5.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 103 100.0% 19 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 110 106.8% 25 131.6% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% -7 -6.8% -7 -36.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setPrefix0 N/A% 1 1.0% 2 10.5% 0 N/A% 0 N/A%