Diff Report
Run #518eceb4aac68: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518ed10e385b9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::__construct

Drupal\Core\Database\Connection::__constructRun #518eceb4aac68Run #518ed10e385b9DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)569 790 221 38.8%
Incl. Wall Time (microsec) per call 569 790 221 38.8%
Excl. Wall Time (microsec)24 23 -1 -4.2%
Incl. CPU (microsecs)292 361 69 23.6%
Incl. CPU (microsecs) per call 292 361 69 23.6%
Excl. CPU (microsec)20 19 -1 -5.0%
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)42,872 42,872 0 0.0%
Incl. PeakMemUse (bytes) per call 42,872 42,872 0 0.0%
Excl. PeakMemUse (bytes)1,704 1,704 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% 221 920.8% 69 5.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -0.5% -1 -1.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 221 100.0% 69 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 221 100.0% 69 100.0% 0 N/A% 0 N/A%
PDO::setAttribute0 N/A% 2 0.9% 3 4.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setPrefix0 N/A% -1 -0.5% -2 -2.9% 0 N/A% 0 N/A%