Diff Report
Run #54e0a6d45fe2a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #54e0a7d2151b1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #54e0a6d45fe2aRun #54e0a7d2151b1DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,772 1,783 11 0.6%
Incl. Wall Time (microsec) per call 1,772 1,783 11 0.6%
Excl. Wall Time (microsec)27 32 5 18.5%
Incl. CPU (microsecs)1,585 1,604 19 1.2%
Incl. CPU (microsecs) per call 1,585 1,604 19 1.2%
Excl. CPU (microsec)23 28 5 21.7%
Incl. MemUse (bytes)260,976 260,928 -48 -0.0%
Incl. MemUse (bytes) per call 260,976 260,928 -48 -0.0%
Excl. MemUse (bytes)3,528 3,504 -24 -0.7%
Incl. PeakMemUse (bytes)256,136 255,976 -160 -0.1%
Incl. PeakMemUse (bytes) per call 256,136 255,976 -160 -0.1%
Excl. PeakMemUse (bytes)3,056 3,056 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% 11 1.5% 19 5.2% -48 -0.5% -160 -1.5%
Exclusive Metrics Diff for Current Function5 45.5% 5 26.3% -24 -50.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 11 100.0% 19 100.0% -48 -100.0% -160 -100.0%
Child functions
Composer\Autoload\ClassLoader::loadClass0 N/A% 23 209.1% 23 121.1% -72 -150.0% -200 -125.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -13 -118.2% -4 -21.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -5 -45.5% -5 -26.3% 48 100.0% 88 55.0%
Drupal\Core\Database\Connection::setKey0 N/A% 1 9.1% -1 -5.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 1 5.3% 0 0.0% -48 -30.0%