Diff Report
Run #519eb486908e7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb57e9174a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519eb486908e7Run #519eb57e9174aDiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)2,767 2,786 19 0.7%
Incl. Wall Time (microsec) per call 252 253 2 0.7%
Excl. Wall Time (microsec)194 211 17 8.8%
Incl. CPU (microsecs)2,791 2,802 11 0.4%
Incl. CPU (microsecs) per call 254 255 1 0.4%
Excl. CPU (microsec)188 186 -2 -1.1%
Incl. MemUse (bytes)156,848 156,860 12 0.0%
Incl. MemUse (bytes) per call 14,259 14,260 1 0.0%
Excl. MemUse (bytes)17,436 17,436 0 0.0%
Incl. PeakMemUse (bytes)142,192 142,088 -104 -0.1%
Incl. PeakMemUse (bytes) per call 12,927 12,917 -9 -0.1%
Excl. PeakMemUse (bytes)11,588 11,588 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::select0 N/A% 19 1.1% 11 0.6% 12 0.0% -104 -0.1%
Exclusive Metrics Diff for Current Function17 89.5% -2 -18.2% 0 0.0% 0 0.0%
Parent functions
Drupal\views\Plugin\views\query\Sql::query0 N/A% 23 121.1% 21 190.9% 0 0.0% 0 0.0%
Drupal\user\UserData::get0 N/A% -21 -110.5% -21 -190.9% 4 33.3% -76 -73.1%
db_select0 N/A% 11 57.9% 8 72.7% 8 66.7% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 6 31.6% 3 27.3% 0 0.0% -28 -26.9%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 13 68.4% 16 145.5% 8 66.7% -28 -26.9%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -11 -57.9% -3 -27.3% 4 33.3% -76 -73.1%