Diff Report
Run #53d436500e2ac: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53d4352fc0c61: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #53d436500e2acRun #53d4352fc0c61DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)3,147 2,532 -615 -19.5%
Incl. Wall Time (microsec) per call 3,147 2,532 -615 -19.5%
Excl. Wall Time (microsec)48 43 -5 -10.4%
Incl. CPU (microsecs)2,859 2,251 -608 -21.3%
Incl. CPU (microsecs) per call 2,859 2,251 -608 -21.3%
Excl. CPU (microsec)40 39 -1 -2.5%
Incl. MemUse (bytes)278,528 278,448 -80 -0.0%
Incl. MemUse (bytes) per call 278,528 278,448 -80 -0.0%
Excl. MemUse (bytes)3,688 3,688 0 0.0%
Incl. PeakMemUse (bytes)279,112 279,024 -88 -0.0%
Incl. PeakMemUse (bytes) per call 279,112 279,024 -88 -0.0%
Excl. PeakMemUse (bytes)3,080 3,080 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% -615 -9.2% -608 -8.9% -80 -0.2% -88 -0.2%
Exclusive Metrics Diff for Current Function-5 -0.8% -1 -0.2% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -615 -100.0% -608 -100.0% -80 -100.0% -88 -100.0%
Child functions
spl_autoload_call0 N/A% -511 -83.1% -511 -84.0% -72 -90.0% 64 72.7%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -61 -9.9% -57 -9.4% -8 -10.0% 48 54.5%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -37 -6.0% -37 -6.1% 0 0.0% -200 -227.3%
Drupal\Core\Database\Connection::setTarget0 N/A% -1 -0.2% -2 -0.3% 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%