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

Drupal\Core\Database\Connection::selectRun #519b1557bbc04Run #519b1ad213669DiffDiff%
Number of Function Calls19 20 1 5.3%
Incl. Wall Time (microsec)7,425 7,698 273 3.7%
Incl. Wall Time (microsec) per call 391 385 -6 -1.5%
Excl. Wall Time (microsec)364 434 70 19.2%
Incl. CPU (microsecs)7,456 7,733 277 3.7%
Incl. CPU (microsecs) per call 392 387 -6 -1.5%
Excl. CPU (microsec)350 420 70 20.0%
Incl. MemUse (bytes)618,040 625,160 7,120 1.2%
Incl. MemUse (bytes) per call 32,528 31,258 -1,270 -3.9%
Excl. MemUse (bytes)51,912 55,144 3,232 6.2%
Incl. PeakMemUse (bytes)555,576 555,536 -40 -0.0%
Incl. PeakMemUse (bytes) per call 29,241 27,777 -1,464 -5.0%
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::select1 33.3% 273 2.3% 277 1.8% 7,120 2.8% -40 -0.0%
Exclusive Metrics Diff for Current Function70 25.6% 70 25.3% 3,232 45.4% 0 0.0%
Parent functions
Drupal\Core\Database\Query\Merge::execute1 100.0% 103 37.7% 105 37.9% 7,176 100.8% 0 0.0%
db_select0 0.0% 169 61.9% 165 59.6% -56 -0.8% -40 -100.0%
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\user\UserData::get0 0.0% 5 1.8% 5 1.8% 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\Query\Select::__construct1 50.0% 10 3.7% 10 3.6% 3,928 55.2% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass1 50.0% 193 70.7% 197 71.1% -40 -0.6% -40 -100.0%