Diff Report
Run #52d3e8415aec3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d3e812c7cf2: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #52d3e8415aec3Run #52d3e812c7cf2DiffDiff%
Number of Function Calls5 5 0 0.0%
Incl. Wall Time (microsec)725 761 36 5.0%
Incl. Wall Time (microsec) per call 145 152 7 5.0%
Excl. Wall Time (microsec)36 38 2 5.6%
Incl. CPU (microsecs)736 773 37 5.0%
Incl. CPU (microsecs) per call 147 155 7 5.0%
Excl. CPU (microsec)37 33 -4 -10.8%
Incl. MemUse (bytes)202,128 202,128 0 0.0%
Incl. MemUse (bytes) per call 40,426 40,426 0 0.0%
Excl. MemUse (bytes)7,024 7,024 0 0.0%
Incl. PeakMemUse (bytes)188,160 188,160 0 0.0%
Incl. PeakMemUse (bytes) per call 37,632 37,632 0 0.0%
Excl. PeakMemUse (bytes)4,416 4,416 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% 36 30.8% 37 33.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 5.6% -4 -10.8% 0 N/A% 0 N/A%
Parent functions
Drupal\taxonomy\TermStorageController::loadTree0 N/A% 34 94.4% 35 94.6% 0 N/A% 0 N/A%
Drupal\forum\ForumManager::getForumStatistics0 N/A% 2 5.6% 1 2.7% 0 N/A% 0 N/A%
Drupal\Core\Entity\FieldableDatabaseStorageController::buildQuery0 N/A% 1 2.8% 1 2.7% 0 N/A% 0 N/A%
Drupal\forum\ForumManager::getLastPost0 N/A% -1 -2.8% 0 0.0% 0 N/A% 0 N/A%
db_select0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Select::__construct0 N/A% 29 80.6% 31 83.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::getDriverClass0 N/A% 5 13.9% 10 27.0% 0 N/A% 0 N/A%