Diff Report
Run #512a1f7f217a6: XHProf Run (Namespace=drupal-perf)
vs.
Run #512a20b11c1ab: XHProf Run (Namespace=drupal-perf)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #512a1f7f217a6Run #512a20b11c1abDiffDiff%
Number of Function Calls7 10 3 42.9%
Incl. Wall Time (microsec)988 1,164 176 17.8%
Incl. Wall Time (microsec) per call 141 116 -25 -17.5%
Excl. Wall Time (microsec)67 95 28 41.8%
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)317,200 345,752 28,552 9.0%
Incl. MemUse (bytes) per call 45,314 34,575 -10,739 -23.7%
Excl. MemUse (bytes)28,408 40,128 11,720 41.3%
Incl. PeakMemUse (bytes)300,280 324,576 24,296 8.1%
Incl. PeakMemUse (bytes) per call 42,897 32,458 -10,440 -24.3%
Excl. PeakMemUse (bytes)22,488 32,416 9,928 44.1%

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::select3 33.3% 176 0.5% 4,000 12.5% 28,552 0.9% 24,296 0.7%
Exclusive Metrics Diff for Current Function28 15.9% 0 0.0% 11,720 41.0% 9,928 40.9%
Parent functions
Drupal\views\Plugin\views\query\Sql::query2 66.7% 108 61.4% 0 0.0% 18,504 64.8% 13,400 55.2%
Drupal\field_sql_storage\Entity\Query::prepare1 33.3% 63 35.8% 0 0.0% 9,968 34.9% 9,760 40.2%
Drupal\user\UserData::get0 0.0% 5 2.8% 4,000 100.0% -40 -0.1% -40 -0.2%
Drupal\Core\Database\Query\Select::countQuery0 0.0% 1 0.6% 0 0.0% 0 0.0% -712 -2.9%
db_select0 0.0% -1 -0.6% 0 0.0% 120 0.4% 1,888 7.8%
Child functions
Drupal\Core\Database\Query\Select::__construct3 50.0% 137 77.8% 0 0.0% 16,872 59.1% 14,408 59.3%
Drupal\Core\Database\Connection::getDriverClass3 50.0% 11 6.2% 4,000 100.0% -40 -0.1% -40 -0.2%