Diff Report
Run #560d7dac0c098: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #560d8088818a3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #560d7dac0c098Run #560d8088818a3DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,822 1,756 -66 -3.6%
Incl. Wall Time (microsec) per call 1,822 1,756 -66 -3.6%
Excl. Wall Time (microsec)22 23 1 4.5%
Incl. MemUse (bytes)290,680 290,632 -48 -0.0%
Incl. MemUse (bytes) per call 290,680 290,632 -48 -0.0%
Excl. MemUse (bytes)3,720 3,720 0 0.0%
Incl. PeakMemUse (bytes)289,256 289,784 528 0.2%
Incl. PeakMemUse (bytes) per call 289,256 289,784 528 0.2%
Excl. PeakMemUse (bytes)2,248 2,248 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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Database::openConnection0 N/A% -66 -0.5% -48 -0.2% 528 1.9%
Exclusive Metrics Diff for Current Function1 1.5% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -66 -100.0% -48 -100.0% 528 100.0%
Child functions
spl_autoload_call0 N/A% -63 -95.5% -48 -100.0% 488 92.4%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -6 -9.1% 0 0.0% 40 7.6%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 3 4.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% -1 -1.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 0.0%