Diff Report
Run #512a40ad78082: XHProf Run (Namespace=drupal-perf)
vs.
Run #512a40915a5dd: XHProf Run (Namespace=drupal-perf)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #512a40ad78082Run #512a40915a5ddDiffDiff%
Number of Function Calls10 7 -3 -30.0%
Incl. Wall Time (microsec)981 805 -176 -17.9%
Incl. Wall Time (microsec) per call 98 115 17 17.2%
Excl. Wall Time (microsec)96 66 -30 -31.2%
Incl. CPU (microsecs)4,000 4,000 0 0.0%
Incl. CPU (microsecs) per call 400 571 171 42.9%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)345,792 317,168 -28,624 -8.3%
Incl. MemUse (bytes) per call 34,579 45,310 10,731 31.0%
Excl. MemUse (bytes)40,144 28,408 -11,736 -29.2%
Incl. PeakMemUse (bytes)325,464 301,168 -24,296 -7.5%
Incl. PeakMemUse (bytes) per call 32,546 43,024 10,478 32.2%
Excl. PeakMemUse (bytes)32,504 22,488 -10,016 -30.8%

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-3 -33.3% -176 -0.6% 0 0.0% -28,624 -0.9% -24,296 -0.7%
Exclusive Metrics Diff for Current Function-30 -17.0% 0 N/A% -11,736 -41.0% -10,016 -41.2%
Parent functions
Drupal\views\Plugin\views\query\Sql::query-2 -66.7% -107 -60.8% 0 N/A% -18,504 -64.6% -13,400 -55.2%
Drupal\field_sql_storage\Entity\Query::prepare-1 -33.3% -62 -35.2% -4,000 N/A% -9,968 -34.8% -9,904 -40.8%
Drupal\user\UserData::get0 0.0% -8 -4.5% 4,000 N/A% -8 -0.0% 96 0.4%
db_select0 0.0% 2 1.1% 0 N/A% -144 -0.5% -1,800 -7.4%
Drupal\Core\Database\Query\Select::countQuery0 0.0% -1 -0.6% 0 N/A% 0 0.0% 712 2.9%
Child functions
Drupal\Core\Database\Query\Select::__construct-3 -50.0% -141 -80.1% -4,000 N/A% -16,880 -59.0% -14,376 -59.2%
Drupal\Core\Database\Connection::getDriverClass-3 -50.0% -5 -2.8% 4,000 N/A% -8 -0.0% 96 0.4%