Diff Report
Run #539203c57074d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #539203c57074dRun #539201f8938f4DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)1,479 1,482 3 0.2%
Incl. Wall Time (microsec) per call 9 9 0 0.2%
Excl. Wall Time (microsec)739 769 30 4.1%
Incl. CPU (microsecs)1,634 1,645 11 0.7%
Incl. CPU (microsecs) per call 10 10 0 0.7%
Excl. CPU (microsec)727 757 30 4.1%
Incl. MemUse (bytes)29,740 29,740 0 0.0%
Incl. MemUse (bytes) per call 175 175 0 0.0%
Excl. MemUse (bytes)-100,364 -100,364 0 0.0%
Incl. PeakMemUse (bytes)29,120 29,120 0 0.0%
Incl. PeakMemUse (bytes) per call 171 171 0 0.0%
Excl. PeakMemUse (bytes)388 388 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::prefixTables [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::prefixTables0 N/A% 3 1.2% 11 2.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function30 1000.0% 30 272.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 3 100.0% 11 100.0% 0 N/A% 0 N/A%
Child function
str_replace0 N/A% -27 -900.0% -19 -172.7% 0 N/A% 0 N/A%