Diff Report
Run #519c0a965645d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c0a514701f: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519c0a965645dRun #519c0a514701fDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)2,595 2,675 80 3.1%
Incl. Wall Time (microsec) per call 371 382 11 3.1%
Excl. Wall Time (microsec)125 132 7 5.6%
Incl. CPU (microsecs)2,607 2,687 80 3.1%
Incl. CPU (microsecs) per call 372 384 11 3.1%
Excl. CPU (microsec)120 122 2 1.7%
Incl. MemUse (bytes)142,692 142,692 0 0.0%
Incl. MemUse (bytes) per call 20,385 20,385 0 0.0%
Excl. MemUse (bytes)12,172 12,172 0 0.0%
Incl. PeakMemUse (bytes)135,948 135,948 0 0.0%
Incl. PeakMemUse (bytes) per call 19,421 19,421 0 0.0%
Excl. PeakMemUse (bytes)8,856 8,856 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::select [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\Connection::select0 N/A% 80 5.3% 80 8.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function7 8.8% 2 2.5% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% 83 103.8% 84 105.0% 0 N/A% 0 N/A%
db_select0 N/A% -2 -2.5% -2 -2.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -1 -1.2% -1 -1.2% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 0 0.0% -1 -1.2% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 89 111.2% 91 113.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -16 -20.0% -13 -16.2% 0 N/A% 0 N/A%