Diff Report
Run #517d52b5a5611: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d51ae434de: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #517d52b5a5611Run #517d51ae434deDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)803 868 65 8.1%
Incl. Wall Time (microsec) per call 803 868 65 8.1%
Excl. Wall Time (microsec)25 22 -3 -12.0%
Incl. CPU (microsecs)425 424 -1 -0.2%
Incl. CPU (microsecs) per call 425 424 -1 -0.2%
Excl. CPU (microsec)19 19 0 0.0%
Incl. MemUse (bytes)42,448 42,448 0 0.0%
Incl. MemUse (bytes) per call 42,448 42,448 0 0.0%
Excl. MemUse (bytes)2,080 2,080 0 0.0%
Incl. PeakMemUse (bytes)43,168 43,168 0 0.0%
Incl. PeakMemUse (bytes) per call 43,168 43,168 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% 65 2.7% -1 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-3 -4.6% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 65 100.0% -1 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 78 120.0% 10 1000.0% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% -11 -16.9% -11 -1100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setPrefix0 N/A% 1 1.5% 0 0.0% 0 N/A% 0 N/A%