Diff Report
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fbd1297c93: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #518fb7370421eRun #518fbd1297c93DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)885 475 -410 -46.3%
Incl. Wall Time (microsec) per call 885 475 -410 -46.3%
Excl. Wall Time (microsec)23 24 1 4.3%
Incl. CPU (microsecs)371 311 -60 -16.2%
Incl. CPU (microsecs) per call 371 311 -60 -16.2%
Excl. CPU (microsec)21 20 -1 -4.8%
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)43,208 43,208 0 0.0%
Incl. PeakMemUse (bytes) per call 43,208 43,208 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% -410 -13.0% -60 -1.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 0.2% -1 -1.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -410 -100.0% -60 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -395 -96.3% -43 -71.7% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% -18 -4.4% -18 -30.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setPrefix0 N/A% 2 0.5% 2 3.3% 0 N/A% 0 N/A%