Diff Report
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::addExpression

Drupal\Core\Database\Query\Select::addExpressionRun #53923e49d2b58Run #53923d861ff11DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)30 33 3 10.0%
Incl. Wall Time (microsec) per call 4 5 0 10.0%
Excl. Wall Time (microsec)30 33 3 10.0%
Incl. CPU (microsecs)63 45 -18 -28.6%
Incl. CPU (microsecs) per call 9 6 -3 -28.6%
Excl. CPU (microsec)63 45 -18 -28.6%
Incl. MemUse (bytes)4,824 4,820 -4 -0.1%
Incl. MemUse (bytes) per call 689 689 -1 -0.1%
Excl. MemUse (bytes)4,824 4,820 -4 -0.1%
Incl. PeakMemUse (bytes)2,260 2,256 -4 -0.2%
Incl. PeakMemUse (bytes) per call 323 322 -1 -0.2%
Excl. PeakMemUse (bytes)2,260 2,256 -4 -0.2%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::addExpression [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\Query\Select::addExpression0 N/A% 3 0.2% -18 -1.6% -4 -0.5% -4 -0.6%
Exclusive Metrics Diff for Current Function3 100.0% -18 -100.0% -4 -100.0% -4 -100.0%
Parent functions
Drupal\Core\Entity\ContentEntityDatabaseStorage::buildQuery0 N/A% 3 100.0% 1 5.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\SelectExtender::addExpression0 N/A% 0 0.0% -2 -11.1% 0 0.0% 0 0.0%
comment_get_thread0 N/A% 0 0.0% -17 -94.4% -4 -100.0% -4 -100.0%