Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #51ec623000e0cRun #51ec66a5a877dDiffDiff%
Number of Function Calls300 300 0 0.0%
Incl. Wall Time (microsec)1,850 1,880 30 1.6%
Incl. Wall Time (microsec) per call 6 6 0 1.6%
Excl. Wall Time (microsec)935 952 17 1.8%
Incl. CPU (microsecs)2,093 2,101 8 0.4%
Incl. CPU (microsecs) per call 7 7 0 0.4%
Excl. CPU (microsec)954 936 -18 -1.9%
Incl. MemUse (bytes)59,968 59,960 -8 -0.0%
Incl. MemUse (bytes) per call 200 200 -0 -0.0%
Excl. MemUse (bytes)-308,024 -307,808 216 0.1%
Incl. PeakMemUse (bytes)36,000 36,040 40 0.1%
Incl. PeakMemUse (bytes) per call 120 120 0 0.1%
Excl. PeakMemUse (bytes)760 800 40 5.3%

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% 30 1.3% 8 0.2% -8 -0.0% 40 0.1%
Exclusive Metrics Diff for Current Function17 56.7% -18 -225.0% 216 2700.0% 40 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 30 100.0% 8 100.0% -8 -100.0% 40 100.0%
Child function
str_replace0 N/A% 13 43.3% 26 325.0% -224 -2800.0% 0 0.0%