Diff Report
Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5190217a23e77: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::__construct

Drupal\Core\Database\Driver\mysql\Connection::__constructRun #51901ff69a8a6Run #5190217a23e77DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)936 1,015 79 8.4%
Incl. Wall Time (microsec) per call 936 1,015 79 8.4%
Excl. Wall Time (microsec)35 33 -2 -5.7%
Incl. CPU (microsecs)435 479 44 10.1%
Incl. CPU (microsecs) per call 435 479 44 10.1%
Excl. CPU (microsec)29 32 3 10.3%
Incl. MemUse (bytes)46,096 46,096 0 0.0%
Incl. MemUse (bytes) per call 46,096 46,096 0 0.0%
Excl. MemUse (bytes)1,712 1,712 0 0.0%
Incl. PeakMemUse (bytes)48,280 48,280 0 0.0%
Incl. PeakMemUse (bytes) per call 48,280 48,280 0 0.0%
Excl. PeakMemUse (bytes)2,712 2,712 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Driver\mysql\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\Driver\mysql\Connection::__construct0 N/A% 79 37.4% 44 733.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -2.5% 3 6.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 79 100.0% 44 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::__construct0 N/A% 78 98.7% 43 97.7% 0 N/A% 0 N/A%
PDO::exec0 N/A% 2 2.5% -1 -2.3% 0 N/A% 0 N/A%
implode0 N/A% 1 1.3% -1 -2.3% 0 N/A% 0 N/A%