Diff Report
Run #51a9457328375: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #51a9457328375Run #51a944519b58cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,630 2,477 -153 -5.8%
Incl. Wall Time (microsec) per call 2,630 2,477 -153 -5.8%
Excl. Wall Time (microsec)47 35 -12 -25.5%
Incl. CPU (microsecs)2,082 1,943 -139 -6.7%
Incl. CPU (microsecs) per call 2,082 1,943 -139 -6.7%
Excl. CPU (microsec)40 27 -13 -32.5%
Incl. MemUse (bytes)301,184 301,184 0 0.0%
Incl. MemUse (bytes) per call 301,184 301,184 0 0.0%
Excl. MemUse (bytes)3,464 3,464 0 0.0%
Incl. PeakMemUse (bytes)291,032 291,032 0 0.0%
Incl. PeakMemUse (bytes) per call 291,032 291,032 0 0.0%
Excl. PeakMemUse (bytes)1,424 1,424 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% -153 -17.8% -139 -15.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-12 -7.8% -13 -9.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -153 -100.0% -139 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -105 -68.6% -90 -64.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -17 -11.1% -17 -12.2% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -11 -7.2% -12 -8.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -8 -5.2% -8 -5.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% 0 0.0% 1 0.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%