Diff Report
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #53923e49d2b58Run #53923d861ff11DiffDiff%
Number of Function Calls39 39 0 0.0%
Incl. Wall Time (microsec)3,086 3,142 56 1.8%
Incl. Wall Time (microsec) per call 79 81 1 1.8%
Excl. Wall Time (microsec)376 392 16 4.3%
Incl. CPU (microsecs)3,138 3,191 53 1.7%
Incl. CPU (microsecs) per call 80 82 1 1.7%
Excl. CPU (microsec)337 358 21 6.2%
Incl. MemUse (bytes)167,104 167,104 0 0.0%
Incl. MemUse (bytes) per call 4,285 4,285 0 0.0%
Excl. MemUse (bytes)9,020 9,020 0 0.0%
Incl. PeakMemUse (bytes)117,800 117,800 0 0.0%
Incl. PeakMemUse (bytes) per call 3,021 3,021 0 0.0%
Excl. PeakMemUse (bytes)3,836 3,836 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% 56 3.6% 53 4.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function16 28.6% 21 39.6% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 48 85.7% 45 84.9% 0 N/A% 0 N/A%
db_select0 N/A% -24 -42.9% -26 -49.1% 0 N/A% 0 N/A%
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery0 N/A% 21 37.5% 22 41.5% 0 N/A% 0 N/A%
Drupal\comment\CommentStatistics::read0 N/A% 9 16.1% 9 17.0% 0 N/A% 0 N/A%
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData0 N/A% 2 3.6% 3 5.7% 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\Connection::getDriverClass0 N/A% 37 66.1% 31 58.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::__construct0 N/A% 3 5.4% 1 1.9% 0 N/A% 0 N/A%