Diff Report
Run #539203c57074d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #539203c57074dRun #539201f8938f4DiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)1,529 1,562 33 2.2%
Incl. Wall Time (microsec) per call 109 112 2 2.2%
Excl. Wall Time (microsec)146 155 9 6.2%
Incl. CPU (microsecs)1,552 1,584 32 2.1%
Incl. CPU (microsecs) per call 111 113 2 2.1%
Excl. CPU (microsec)141 144 3 2.1%
Incl. MemUse (bytes)127,700 127,700 0 0.0%
Incl. MemUse (bytes) per call 9,121 9,121 0 0.0%
Excl. MemUse (bytes)5,620 5,620 0 0.0%
Incl. PeakMemUse (bytes)111,024 111,024 0 0.0%
Incl. PeakMemUse (bytes) per call 7,930 7,930 0 0.0%
Excl. PeakMemUse (bytes)3,256 3,256 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% 33 13.4% 32 6.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function9 27.3% 3 9.4% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery0 N/A% 19 57.6% 18 56.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 11 33.3% 14 43.8% 0 N/A% 0 N/A%
Drupal\comment\CommentStatistics::read0 N/A% 11 33.3% 10 31.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData0 N/A% -10 -30.3% -10 -31.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityDatabaseStorage::buildQuery0 N/A% 4 12.1% 3 9.4% 0 N/A% 0 N/A%
db_select0 N/A% -2 -6.1% -3 -9.4% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% 14 42.4% 19 59.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 10 30.3% 10 31.2% 0 N/A% 0 N/A%