Diff Report
Run #519b1ad213669: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b1557bbc04: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519b1ad213669Run #519b1557bbc04DiffDiff%
Number of Function Calls20 19 -1 -5.0%
Incl. Wall Time (microsec)7,698 7,425 -273 -3.5%
Incl. Wall Time (microsec) per call 385 391 6 1.5%
Excl. Wall Time (microsec)434 364 -70 -16.1%
Incl. CPU (microsecs)7,733 7,456 -277 -3.6%
Incl. CPU (microsecs) per call 387 392 6 1.5%
Excl. CPU (microsec)420 350 -70 -16.7%
Incl. MemUse (bytes)625,160 618,040 -7,120 -1.1%
Incl. MemUse (bytes) per call 31,258 32,528 1,270 4.1%
Excl. MemUse (bytes)55,144 51,912 -3,232 -5.9%
Incl. PeakMemUse (bytes)555,536 555,576 40 0.0%
Incl. PeakMemUse (bytes) per call 27,777 29,241 1,464 5.3%
Excl. PeakMemUse (bytes)23,936 23,936 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::select-1 -33.3% -273 -2.3% -277 -1.8% -7,120 -2.8% 40 0.0%
Exclusive Metrics Diff for Current Function-70 -25.6% -70 -25.3% -3,232 -45.4% 0 0.0%
Parent functions
db_select0 0.0% -169 -61.9% -165 -59.6% 56 0.8% 40 100.0%
Drupal\Core\Database\Query\Merge::execute-1 -100.0% -103 -37.7% -105 -37.9% -7,176 -100.8% 0 0.0%
Drupal\user\UserData::get0 0.0% -5 -1.8% -5 -1.8% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Query::prepare0 0.0% 2 0.7% 2 0.7% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::query0 0.0% 2 0.7% 1 0.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 0.0% 0 0.0% -5 -1.8% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass-1 -50.0% -193 -70.7% -197 -71.1% 40 0.6% 40 100.0%
Drupal\Core\Database\Query\Select::__construct-1 -50.0% -10 -3.7% -10 -3.6% -3,928 -55.2% 0 0.0%