Diff Report
Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519eb880e5974Run #519eb7a1537f7DiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)2,856 2,829 -27 -0.9%
Incl. Wall Time (microsec) per call 260 257 -2 -0.9%
Excl. Wall Time (microsec)209 201 -8 -3.8%
Incl. CPU (microsecs)2,869 2,848 -21 -0.7%
Incl. CPU (microsecs) per call 261 259 -2 -0.7%
Excl. CPU (microsec)188 195 7 3.7%
Incl. MemUse (bytes)156,860 156,848 -12 -0.0%
Incl. MemUse (bytes) per call 14,260 14,259 -1 -0.0%
Excl. MemUse (bytes)17,436 17,436 0 0.0%
Incl. PeakMemUse (bytes)142,088 142,192 104 0.1%
Incl. PeakMemUse (bytes) per call 12,917 12,927 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% -27 -0.8% -21 -20.4% -12 -0.0% 104 0.1%
Exclusive Metrics Diff for Current Function-8 -29.6% 7 33.3% 0 0.0% 0 0.0%
Parent functions
Drupal\user\UserData::get0 N/A% -36 -133.3% -35 -166.7% -4 -33.3% 76 73.1%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 28 103.7% 29 138.1% 0 0.0% 0 0.0%
db_select0 N/A% -11 -40.7% -10 -47.6% -8 -66.7% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -8 -29.6% -5 -23.8% 0 0.0% 28 26.9%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -21 -77.8% -29 -138.1% -4 -33.3% 76 73.1%
Drupal\Core\Database\Query\Select::__construct0 N/A% 2 7.4% 1 4.8% -8 -66.7% 28 26.9%