Diff Report
Run #519a496084867: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Database\Database::openConnection

Drupal\Core\Database\Database::openConnectionRun #519a496084867Run #519a4774889ddDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)21,662 13,359 -8,303 -38.3%
Incl. Wall Time (microsec) per call 21,662 13,359 -8,303 -38.3%
Excl. Wall Time (microsec)330 203 -127 -38.5%
Incl. CPU (microsecs)4,000 4,001 1 0.0%
Incl. CPU (microsecs) per call 4,000 4,001 1 0.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)519,072 519,184 112 0.0%
Incl. MemUse (bytes) per call 519,072 519,184 112 0.0%
Excl. MemUse (bytes)7,656 7,656 0 0.0%
Incl. PeakMemUse (bytes)491,688 491,648 -40 -0.0%
Incl. PeakMemUse (bytes) per call 491,688 491,648 -40 -0.0%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% -8,303 -0.3% 1 0.0% 112 0.8% -40 -0.3%
Exclusive Metrics Diff for Current Function-127 -1.5% 0 0.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::getConnection0 N/A% -8,303 -100.0% 1 100.0% 112 100.0% -40 -100.0%
Child functions
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% -4,951 -59.6% 0 0.0% 112 100.0% -40 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::__construct0 N/A% -2,083 -25.1% 1 100.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -1,013 -12.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Database::parseConnectionInfo0 N/A% -103 -1.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setTarget0 N/A% -15 -0.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::setKey0 N/A% -11 -0.1% 0 0.0% 0 0.0% 0 0.0%