Diff Report
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920bd97d62d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #53920b950c201Run #53920bd97d62dDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)1,260 1,277 17 1.3%
Incl. Wall Time (microsec) per call 90 91 1 1.3%
Excl. Wall Time (microsec)146 156 10 6.8%
Incl. CPU (microsecs)1,283 1,301 18 1.4%
Incl. CPU (microsecs) per call 92 93 1 1.4%
Excl. CPU (microsec)141 153 12 8.5%
Incl. MemUse (bytes)99,236 99,236 0 0.0%
Incl. MemUse (bytes) per call 7,088 7,088 0 0.0%
Excl. MemUse (bytes)6,092 6,092 0 0.0%
Incl. PeakMemUse (bytes)82,540 82,540 0 0.0%
Incl. PeakMemUse (bytes) per call 5,896 5,896 0 0.0%
Excl. PeakMemUse (bytes)3,132 3,132 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% 17 3.7% 18 4.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function10 58.8% 12 66.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 27 158.8% 27 150.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData0 N/A% -12 -70.6% -13 -72.2% 0 N/A% 0 N/A%
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery0 N/A% 8 47.1% 7 38.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Merge::execute0 N/A% -4 -23.5% -3 -16.7% 0 N/A% 0 N/A%
Drupal\comment\CommentStatistics::read0 N/A% -3 -17.6% -1 -5.6% 0 N/A% 0 N/A%
db_select0 N/A% 1 5.9% 1 5.6% 0 N/A% 0 N/A%
Drupal\Core\Entity\EntityDatabaseStorage::buildQuery0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 9 52.9% 6 33.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% -2 -11.8% 0 0.0% 0 N/A% 0 N/A%