Diff Report
Run #543bf51d41339: XHProf Run (Namespace=drupal-perf-dawehner)
vs.
Run #543bf339ee873: XHProf Run (Namespace=drupal-perf-dawehner)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #543bf51d41339Run #543bf339ee873DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)233 212 -21 -9.0%
Incl. Wall Time (microsec) per call 233 212 -21 -9.0%
Excl. Wall Time (microsec)26 19 -7 -26.9%
Incl. CPU (microsecs)234 213 -21 -9.0%
Incl. CPU (microsecs) per call 234 213 -21 -9.0%
Excl. CPU (microsec)24 17 -7 -29.2%
Incl. MemUse (bytes)30,008 30,008 0 0.0%
Incl. MemUse (bytes) per call 30,008 30,008 0 0.0%
Excl. MemUse (bytes)1,944 1,944 0 0.0%
Incl. PeakMemUse (bytes)30,688 30,688 0 0.0%
Incl. PeakMemUse (bytes) per call 30,688 30,688 0 0.0%
Excl. PeakMemUse (bytes)2,120 2,120 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% -21 -0.3% -21 -0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-7 -33.3% -7 -33.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -21 -100.0% -21 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::setPrefix0 N/A% -12 -57.1% -13 -61.9% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% -2 -9.5% -1 -4.8% 0 N/A% 0 N/A%