Diff Report
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::select

Drupal\Core\Database\Connection::selectRun #538e3ac0de109Run #538e3b37c1a66DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)2,420 2,396 -24 -1.0%
Incl. Wall Time (microsec) per call 346 342 -3 -1.0%
Excl. Wall Time (microsec)57 63 6 10.5%
Incl. CPU (microsecs)2,429 2,405 -24 -1.0%
Incl. CPU (microsecs) per call 347 344 -3 -1.0%
Excl. CPU (microsec)54 52 -2 -3.7%
Incl. MemUse (bytes)408,728 408,768 40 0.0%
Incl. MemUse (bytes) per call 58,390 58,395 6 0.0%
Excl. MemUse (bytes)6,744 6,744 0 0.0%
Incl. PeakMemUse (bytes)392,248 392,088 -160 -0.0%
Incl. PeakMemUse (bytes) per call 56,035 56,013 -23 -0.0%
Excl. PeakMemUse (bytes)4,360 4,360 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% -24 -0.6% -24 -0.6% 40 0.0% -160 -0.1%
Exclusive Metrics Diff for Current Function6 25.0% -2 -8.3% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery0 N/A% -22 -91.7% -23 -95.8% 40 100.0% -160 -100.0%
Drupal\Core\Entity\Query\Sql\Query::prepare0 N/A% -4 -16.7% -2 -8.3% 0 0.0% 0 0.0%
Drupal\Core\Entity\ContentEntityDatabaseStorage::attachPropertyData0 N/A% 1 4.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\comment\CommentStatistics::read0 N/A% 1 4.2% 1 4.2% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::getDriverClass0 N/A% -23 -95.8% -20 -83.3% 48 120.0% -208 -130.0%
Drupal\Core\Database\Query\Select::__construct0 N/A% -7 -29.2% -2 -8.3% -8 -20.0% 48 30.0%