Diff Report
Run #544337f542f97: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #544333b05173f: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #544337f542f97Run #544333b05173fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)3,328 2,504 -824 -24.8%
Incl. Wall Time (microsec) per call 3,328 2,504 -824 -24.8%
Excl. Wall Time (microsec)46 45 -1 -2.2%
Incl. CPU (microsecs)2,958 2,156 -802 -27.1%
Incl. CPU (microsecs) per call 2,958 2,156 -802 -27.1%
Excl. CPU (microsec)41 38 -3 -7.3%
Incl. MemUse (bytes)279,072 279,072 0 0.0%
Incl. MemUse (bytes) per call 279,072 279,072 0 0.0%
Excl. MemUse (bytes)3,712 3,712 0 0.0%
Incl. PeakMemUse (bytes)275,872 275,872 0 0.0%
Incl. PeakMemUse (bytes) per call 275,872 275,872 0 0.0%
Excl. PeakMemUse (bytes)3,008 3,008 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% -824 -24.5% -802 -10.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -0.1% -3 -0.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -824 -100.0% -802 -100.0% 0 N/A% 0 N/A%
Child functions
spl_autoload_call0 N/A% -515 -62.5% -469 -58.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -361 -43.8% -330 -41.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% 55 6.7% 3 0.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setKey0 N/A% -1 -0.1% -2 -0.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::setTarget0 N/A% -1 -0.1% -1 -0.1% 0 N/A% 0 N/A%