Diff Report
Run #5422297e7f32f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #542229efabc5e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #5422297e7f32fRun #542229efabc5eDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,973 1,962 -11 -0.6%
Incl. Wall Time (microsec) per call 1,973 1,962 -11 -0.6%
Excl. Wall Time (microsec)33 34 1 3.0%
Incl. CPU (microsecs)1,763 1,752 -11 -0.6%
Incl. CPU (microsecs) per call 1,763 1,752 -11 -0.6%
Excl. CPU (microsec)31 31 0 0.0%
Incl. MemUse (bytes)313,096 313,096 0 0.0%
Incl. MemUse (bytes) per call 313,096 313,096 0 0.0%
Excl. MemUse (bytes)3,504 3,504 0 0.0%
Incl. PeakMemUse (bytes)311,440 311,440 0 0.0%
Incl. PeakMemUse (bytes) per call 311,440 311,440 0 0.0%
Excl. PeakMemUse (bytes)3,232 3,232 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 -2.3% -11 -2.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 9.1% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -11 -100.0% -11 -100.0% 0 N/A% 0 N/A%
Child functions
Composer\Autoload\ClassLoader::loadClass0 N/A% -7 -63.6% -6 -54.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -5 -45.5% -4 -36.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% -1 -9.1% 0 N/A% 0 N/A%