Diff Report
Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #53513afe3c568Run #535139ab6e707DiffDiff%
Number of Function Calls159 159 0 0.0%
Incl. Wall Time (microsec)8,033 8,073 40 0.5%
Incl. Wall Time (microsec) per call 51 51 0 0.5%
Excl. Wall Time (microsec)1,074 1,067 -7 -0.7%
Incl. CPU (microsecs)8,167 8,212 45 0.6%
Incl. CPU (microsecs) per call 51 52 0 0.6%
Excl. CPU (microsec)944 949 5 0.5%
Incl. MemUse (bytes)897,832 897,888 56 0.0%
Incl. MemUse (bytes) per call 5,647 5,647 0 0.0%
Excl. MemUse (bytes)47,664 47,664 0 0.0%
Incl. PeakMemUse (bytes)430,992 431,056 64 0.0%
Incl. PeakMemUse (bytes) per call 2,711 2,711 0 0.0%
Excl. PeakMemUse (bytes)6,088 6,088 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% 40 0.7% 45 0.7% 56 0.2% 64 0.3%
Exclusive Metrics Diff for Current Function-7 -17.5% 5 11.1% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery0 N/A% 35 87.5% 41 91.1% 56 100.0% 56 87.5%
db_select0 N/A% 3 7.5% 2 4.4% 0 0.0% 0 0.0%
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData0 N/A% 2 5.0% 1 2.2% 0 0.0% 0 0.0%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% 0 0.0% 0 0.0% 0 0.0% 8 12.5%
Drupal\comment\CommentStatistics::read0 N/A% 0 0.0% 1 2.2% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 41 102.5% 32 71.1% -32 -57.1% 88 137.5%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 6 15.0% 8 17.8% 88 157.1% -24 -37.5%