Diff Report
Run #51904f8640386: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519050cbdc201: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #51904f8640386Run #519050cbdc201DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,198 1,159 -39 -3.3%
Incl. Wall Time (microsec) per call 1,198 1,159 -39 -3.3%
Excl. Wall Time (microsec)32 32 0 0.0%
Incl. CPU (microsecs)690 651 -39 -5.7%
Incl. CPU (microsecs) per call 690 651 -39 -5.7%
Excl. CPU (microsec)27 26 -1 -3.7%
Incl. MemUse (bytes)174,232 174,224 -8 -0.0%
Incl. MemUse (bytes) per call 174,232 174,224 -8 -0.0%
Excl. MemUse (bytes)4,880 4,880 0 0.0%
Incl. PeakMemUse (bytes)172,952 172,944 -8 -0.0%
Incl. PeakMemUse (bytes) per call 172,952 172,944 -8 -0.0%
Excl. PeakMemUse (bytes)4,448 4,448 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% -39 -3.5% -39 -2.5% -8 -0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function0 0.0% -1 -2.6% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -39 -100.0% -39 -100.0% -8 -100.0% -8 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -34 -87.2% -34 -87.2% -8 -100.0% -8 -100.0%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -3 -7.7% -2 -5.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% -1 -2.6% -1 -2.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -1 -2.6% -1 -2.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%