Diff Report
Run #539fd2b68bc13: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #539fd0a78f1b7: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #539fd2b68bc13Run #539fd0a78f1b7DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,403 2,319 -84 -3.5%
Incl. Wall Time (microsec) per call 2,403 2,319 -84 -3.5%
Excl. Wall Time (microsec)37 36 -1 -2.7%
Incl. CPU (microsecs)2,085 2,014 -71 -3.4%
Incl. CPU (microsecs) per call 2,085 2,014 -71 -3.4%
Excl. CPU (microsec)31 31 0 0.0%
Incl. MemUse (bytes)257,704 257,656 -48 -0.0%
Incl. MemUse (bytes) per call 257,704 257,656 -48 -0.0%
Excl. MemUse (bytes)3,712 3,712 0 0.0%
Incl. PeakMemUse (bytes)256,376 256,392 16 0.0%
Incl. PeakMemUse (bytes) per call 256,376 256,392 16 0.0%
Excl. PeakMemUse (bytes)3,032 3,032 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Database::openConnection [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\Database::openConnection0 N/A% -84 -0.2% -71 -0.2% -48 -0.0% 16 0.0%
Exclusive Metrics Diff for Current Function-1 -1.2% 0 0.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -84 -100.0% -71 -100.0% -48 -100.0% 16 100.0%
Child functions
spl_autoload_call0 N/A% -64 -76.2% -65 -91.5% 0 0.0% 64 400.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -23 -27.4% -25 -35.2% -48 -100.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 4 4.8% 17 23.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 2 2.8% 0 0.0% -48 -300.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%