Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519d44ffb3845Run #519d45fd795a4DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)2,924 2,867 -57 -1.9%
Incl. Wall Time (microsec) per call 244 239 -5 -1.9%
Excl. Wall Time (microsec)209 209 0 0.0%
Incl. CPU (microsecs)2,946 2,891 -55 -1.9%
Incl. CPU (microsecs) per call 246 241 -5 -1.9%
Excl. CPU (microsec)197 203 6 3.0%
Incl. MemUse (bytes)161,408 161,408 0 0.0%
Incl. MemUse (bytes) per call 13,451 13,451 0 0.0%
Excl. MemUse (bytes)19,700 19,700 0 0.0%
Incl. PeakMemUse (bytes)144,740 144,740 0 0.0%
Incl. PeakMemUse (bytes) per call 12,062 12,062 0 0.0%
Excl. PeakMemUse (bytes)11,796 11,796 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% -57 -0.1% -55 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function0 0.0% 6 10.9% 0 N/A% 0 N/A%
Parent functions
Drupal\user\UserData::get0 N/A% -89 -156.1% -89 -161.8% 0 N/A% 0 N/A%
db_select0 N/A% 11 19.3% 13 23.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 9 15.8% 9 16.4% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Query::prepare0 N/A% 8 14.0% 7 12.7% 0 N/A% 0 N/A%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 2 3.5% 2 3.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% 2 3.5% 3 5.5% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -59 -103.5% -60 -109.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 2 3.5% -1 -1.8% 0 N/A% 0 N/A%