Diff Report
Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #535139ab6e707Run #53513afe3c568DiffDiff%
Number of Function Calls159 159 0 0.0%
Incl. Wall Time (microsec)8,073 8,033 -40 -0.5%
Incl. Wall Time (microsec) per call 51 51 -0 -0.5%
Excl. Wall Time (microsec)1,067 1,074 7 0.7%
Incl. CPU (microsecs)8,212 8,167 -45 -0.5%
Incl. CPU (microsecs) per call 52 51 -0 -0.5%
Excl. CPU (microsec)949 944 -5 -0.5%
Incl. MemUse (bytes)897,888 897,832 -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)431,056 430,992 -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 Function7 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%