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

Drupal\Core\Database\Connection::selectRun #512a20b11c1abRun #512a1f7f217a6DiffDiff%
Number of Function Calls10 7 -3 -30.0%
Incl. Wall Time (microsec)1,164 988 -176 -15.1%
Incl. Wall Time (microsec) per call 116 141 25 21.3%
Excl. Wall Time (microsec)95 67 -28 -29.5%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 400 0 -400 -100.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)345,752 317,200 -28,552 -8.3%
Incl. MemUse (bytes) per call 34,575 45,314 10,739 31.1%
Excl. MemUse (bytes)40,128 28,408 -11,720 -29.2%
Incl. PeakMemUse (bytes)324,576 300,280 -24,296 -7.5%
Incl. PeakMemUse (bytes) per call 32,458 42,897 10,440 32.2%
Excl. PeakMemUse (bytes)32,416 22,488 -9,928 -30.6%

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 -0.5% -4,000 -12.5% -28,552 -0.9% -24,296 -0.7%
Exclusive Metrics Diff for Current Function-28 -15.9% 0 0.0% -11,720 -41.0% -9,928 -40.9%
Parent functions
Drupal\views\Plugin\views\query\Sql::query-2 -66.7% -108 -61.4% 0 0.0% -18,504 -64.8% -13,400 -55.2%
Drupal\field_sql_storage\Entity\Query::prepare-1 -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::__construct-3 -50.0% -137 -77.8% 0 0.0% -16,872 -59.1% -14,408 -59.3%
Drupal\Core\Database\Connection::getDriverClass-3 -50.0% -11 -6.2% -4,000 -100.0% 40 0.1% 40 0.2%