Diff Report
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #539201f8938f4Run #5392041970f3fDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)1,562 1,567 5 0.3%
Incl. Wall Time (microsec) per call 112 112 0 0.3%
Excl. Wall Time (microsec)155 147 -8 -5.2%
Incl. CPU (microsecs)1,584 1,588 4 0.3%
Incl. CPU (microsecs) per call 113 113 0 0.3%
Excl. CPU (microsec)144 132 -12 -8.3%
Incl. MemUse (bytes)127,700 127,688 -12 -0.0%
Incl. MemUse (bytes) per call 9,121 9,121 -1 -0.0%
Excl. MemUse (bytes)5,620 5,620 0 0.0%
Incl. PeakMemUse (bytes)111,024 111,012 -12 -0.0%
Incl. PeakMemUse (bytes) per call 7,930 7,929 -1 -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% 5 0.3% 4 0.1% -12 -0.0% -12 -0.0%
Exclusive Metrics Diff for Current Function-8 -160.0% -12 -300.0% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery0 N/A% 19 380.0% 18 450.0% -12 -100.0% -12 -100.0%
Drupal\comment\CommentStatistics::read0 N/A% -9 -180.0% -8 -200.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% -5 -100.0% -5 -125.0% 0 0.0% 0 0.0%
db_select0 N/A% 0 0.0% 1 25.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityDatabaseStorage::buildQuery0 N/A% 0 0.0% 1 25.0% 0 0.0% 0 0.0%
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData0 N/A% 0 0.0% -3 -75.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 19 380.0% 19 475.0% -12 -100.0% -12 -100.0%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -6 -120.0% -3 -75.0% 0 0.0% 0 0.0%