Diff Report
Run #51a188154f4e0: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a18906335b0: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #51a188154f4e0Run #51a18906335b0DiffDiff%
Number of Function Calls8 10 2 25.0%
Incl. Wall Time (microsec)1,446 1,567 121 8.4%
Incl. Wall Time (microsec) per call 181 157 -24 -13.3%
Excl. Wall Time (microsec)123 144 21 17.1%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 400 400 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)115,864 119,480 3,616 3.1%
Incl. MemUse (bytes) per call 14,483 11,948 -2,535 -17.5%
Excl. MemUse (bytes)3,804 4,548 744 19.6%
Incl. PeakMemUse (bytes)109,612 111,120 1,508 1.4%
Incl. PeakMemUse (bytes) per call 13,702 11,112 -2,590 -18.9%
Excl. PeakMemUse (bytes)3,000 3,008 8 0.3%

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::select2 33.3% 121 0.1% 4,000 5.3% 3,616 0.6% 1,508 0.2%
Exclusive Metrics Diff for Current Function21 17.4% 0 0.0% 744 20.6% 8 0.5%
Parent functions
Drupal\field_sql_storage\Entity\Query::prepare1 50.0% 97 80.2% 0 0.0% 1,584 43.8% 1,940 128.6%
Drupal\Core\Database\Query\Merge::execute1 50.0% 91 75.2% 0 0.0% 2,040 56.4% 0 0.0%
Drupal\user\UserData::get0 0.0% -28 -23.1% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 0.0% -21 -17.4% 0 0.0% -8 -0.2% -356 -23.6%
db_select0 0.0% -18 -14.9% 4,000 100.0% 0 0.0% -76 -5.0%
Child functions
Drupal\Core\Database\Query\Select::__construct2 50.0% 121 100.0% 4,000 100.0% 2,872 79.4% 1,500 99.5%
Drupal\Core\Database\Connection::getDriverClass2 50.0% -21 -17.4% 0 0.0% 0 0.0% 0 0.0%