Diff Report
Run #519730b884300: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #51972fb0786ef: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519730b884300Run #51972fb0786efDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)63,084 62,654 -430 -0.7%
Incl. Wall Time (microsec) per call 9,012 8,951 -61 -0.7%
Excl. Wall Time (microsec)1,451 1,467 16 1.1%
Incl. CPU (microsecs)8,000 4,001 -3,999 -50.0%
Incl. CPU (microsecs) per call 1,143 572 -571 -50.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)747,848 747,848 0 0.0%
Incl. MemUse (bytes) per call 106,835 106,835 0 0.0%
Excl. MemUse (bytes)29,552 29,552 0 0.0%
Incl. PeakMemUse (bytes)725,640 725,640 0 0.0%
Incl. PeakMemUse (bytes) per call 103,663 103,663 0 0.0%
Excl. PeakMemUse (bytes)21,928 21,928 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% -430 -50.9% -3,999 -100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function16 3.7% -4,000 -100.0% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% -420 -97.7% 1 0.0% 0 N/A% 0 N/A%
db_select0 N/A% 14 3.3% -4,000 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -13 -3.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% -11 -2.6% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -357 -83.0% -4,000 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% -89 -20.7% 4,001 100.1% 0 N/A% 0 N/A%