Diff Report
Run #53ccf06f3ae60: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf1bb00d4b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #53ccf06f3ae60Run #53ccf1bb00d4bDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)1,743 1,757 14 0.8%
Incl. Wall Time (microsec) per call 249 251 2 0.8%
Excl. Wall Time (microsec)52 48 -4 -7.7%
Incl. CPU (microsecs)1,753 1,765 12 0.7%
Incl. CPU (microsecs) per call 250 252 2 0.7%
Excl. CPU (microsec)48 50 2 4.2%
Incl. MemUse (bytes)313,936 313,856 -80 -0.0%
Incl. MemUse (bytes) per call 44,848 44,837 -11 -0.0%
Excl. MemUse (bytes)6,728 6,728 0 0.0%
Incl. PeakMemUse (bytes)298,432 297,936 -496 -0.2%
Incl. PeakMemUse (bytes) per call 42,633 42,562 -71 -0.2%
Excl. PeakMemUse (bytes)3,576 3,576 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% 14 0.9% 12 0.7% -80 -1.2% -496 -4.6%
Exclusive Metrics Diff for Current Function-4 -28.6% 2 16.7% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 21 150.0% 19 158.3% -80 -100.0% -496 -100.0%
Drupal\Core\Entity\EntityDatabaseStorage::buildQuery0 N/A% -5 -35.7% -4 -33.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% -2 -14.3% -2 -16.7% 0 0.0% 0 0.0%
Drupal\comment\CommentStorage::getUnapprovedCount0 N/A% 0 0.0% -1 -8.3% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 14 100.0% 9 75.0% 0 0.0% -88 -17.7%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 4 28.6% 1 8.3% -80 -100.0% -408 -82.3%