Diff Report
Run #519c0a514701f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c0ad3d3949: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #519c0a514701fRun #519c0ad3d3949DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)2,675 2,400 -275 -10.3%
Incl. Wall Time (microsec) per call 382 343 -39 -10.3%
Excl. Wall Time (microsec)132 122 -10 -7.6%
Incl. CPU (microsecs)2,687 2,410 -277 -10.3%
Incl. CPU (microsecs) per call 384 344 -40 -10.3%
Excl. CPU (microsec)122 115 -7 -5.7%
Incl. MemUse (bytes)142,692 142,692 0 0.0%
Incl. MemUse (bytes) per call 20,385 20,385 0 0.0%
Excl. MemUse (bytes)12,172 12,172 0 0.0%
Incl. PeakMemUse (bytes)135,948 135,892 -56 -0.0%
Incl. PeakMemUse (bytes) per call 19,421 19,413 -8 -0.0%
Excl. PeakMemUse (bytes)8,856 8,856 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% -275 -14.9% -277 -7.9% 0 0.0% -56 -0.0%
Exclusive Metrics Diff for Current Function-10 -3.6% -7 -2.5% 0 N/A% 0 0.0%
Parent functions
Drupal\user\UserData::get0 N/A% -279 -101.5% -280 -101.1% 0 N/A% 0 0.0%
db_select0 N/A% 3 1.1% 3 1.1% 0 N/A% -56 -100.0%
Drupal\Core\Database\Query\Select::countQuery0 N/A% 1 0.4% 1 0.4% 0 N/A% 0 0.0%
Drupal\views\Plugin\views\query\Sql::query0 N/A% 0 0.0% -1 -0.4% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -151 -54.9% -154 -55.6% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::__construct0 N/A% -114 -41.5% -116 -41.9% 0 N/A% -56 -100.0%