Diff Report
Run #5391fd5a43e70: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #5391fd5a43e70Run #5391fc871e91dDiffDiff%
Number of Function Calls189 189 0 0.0%
Incl. Wall Time (microsec)1,630 1,606 -24 -1.5%
Incl. Wall Time (microsec) per call 9 8 -0 -1.5%
Excl. Wall Time (microsec)827 826 -1 -0.1%
Incl. CPU (microsecs)1,812 1,804 -8 -0.4%
Incl. CPU (microsecs) per call 10 10 -0 -0.4%
Excl. CPU (microsec)837 862 25 3.0%
Incl. MemUse (bytes)32,152 32,152 0 0.0%
Incl. MemUse (bytes) per call 170 170 0 0.0%
Excl. MemUse (bytes)-111,600 -111,612 -12 -0.0%
Incl. PeakMemUse (bytes)29,020 28,860 -160 -0.6%
Incl. PeakMemUse (bytes) per call 154 153 -1 -0.6%
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% -24 -1.4% -8 -2.0% 0 0.0% -160 -0.6%
Exclusive Metrics Diff for Current Function-1 -4.2% 25 312.5% -12 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -24 -100.0% -8 -100.0% 0 N/A% -160 -100.0%
Child function
str_replace0 N/A% -23 -95.8% -33 -412.5% 12 N/A% -160 -100.0%