Diff Report
Run #521962a927d49: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #521962a927d49Run #5219624c55207DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)970 1,221 251 25.9%
Incl. Wall Time (microsec) per call 970 1,221 251 25.9%
Excl. Wall Time (microsec)45 41 -4 -8.9%
Incl. CPU (microsecs)574 640 66 11.5%
Incl. CPU (microsecs) per call 574 640 66 11.5%
Excl. CPU (microsec)31 28 -3 -9.7%
Incl. MemUse (bytes)153,408 153,416 8 0.0%
Incl. MemUse (bytes) per call 153,408 153,416 8 0.0%
Excl. MemUse (bytes)3,480 3,480 0 0.0%
Incl. PeakMemUse (bytes)151,288 151,296 8 0.0%
Incl. PeakMemUse (bytes) per call 151,288 151,296 8 0.0%
Excl. PeakMemUse (bytes)3,256 3,256 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% 251 54.0% 66 7.0% 8 0.0% 8 0.0%
Exclusive Metrics Diff for Current Function-4 -1.6% -3 -4.5% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% 251 100.0% 66 100.0% 8 100.0% 8 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 264 105.2% 81 122.7% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -9 -3.6% -10 -15.2% 8 100.0% 8 100.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% 1 0.4% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -1 -0.4% -1 -1.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% -1 -1.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%