Diff Report
Run #517896dc57c6e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5178989df1d0f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #517896dc57c6eRun #5178989df1d0fDiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)1,593 1,609 16 1.0%
Incl. Wall Time (microsec) per call 84 85 1 1.0%
Excl. Wall Time (microsec)155 157 2 1.3%
Incl. CPU (microsecs)1,618 1,636 18 1.1%
Incl. CPU (microsecs) per call 85 86 1 1.1%
Excl. CPU (microsec)138 142 4 2.9%
Incl. MemUse (bytes)237,520 237,520 0 0.0%
Incl. MemUse (bytes) per call 12,501 12,501 0 0.0%
Excl. MemUse (bytes)9,016 9,024 8 0.1%
Incl. PeakMemUse (bytes)194,288 194,280 -8 -0.0%
Incl. PeakMemUse (bytes) per call 10,226 10,225 -0 -0.0%
Excl. PeakMemUse (bytes)5,328 5,328 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% 16 0.4% 18 0.4% 0 0.0% -8 -0.1%
Exclusive Metrics Diff for Current Function2 12.5% 4 22.2% 8 N/A% 0 0.0%
Parent functions
db_select0 N/A% 18 112.5% 18 100.0% 0 N/A% -8 -100.0%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -3 -18.8% -3 -16.7% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 1 6.2% 3 16.7% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 9 56.2% 9 50.0% -8 N/A% -8 -100.0%
Drupal\Core\Database\Query\Select::__construct0 N/A% 5 31.2% 5 27.8% 0 N/A% 0 0.0%