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

Drupal\Core\Database\Connection::selectRun #519eb7a1537f7Run #519eb880e5974DiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)2,829 2,856 27 1.0%
Incl. Wall Time (microsec) per call 257 260 2 1.0%
Excl. Wall Time (microsec)201 209 8 4.0%
Incl. CPU (microsecs)2,848 2,869 21 0.7%
Incl. CPU (microsecs) per call 259 261 2 0.7%
Excl. CPU (microsec)195 188 -7 -3.6%
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% 27 0.8% 21 20.4% 12 0.0% -104 -0.1%
Exclusive Metrics Diff for Current Function8 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%