Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #519d44ffb3845Run #519d45fd795a4DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)1,672 1,693 21 1.3%
Incl. Wall Time (microsec) per call 10 10 0 1.3%
Excl. Wall Time (microsec)903 933 30 3.3%
Incl. CPU (microsecs)1,848 1,851 3 0.2%
Incl. CPU (microsecs) per call 11 11 0 0.2%
Excl. CPU (microsec)885 902 17 1.9%
Incl. MemUse (bytes)32,248 32,248 0 0.0%
Incl. MemUse (bytes) per call 190 190 0 0.0%
Excl. MemUse (bytes)-110,252 -110,252 0 0.0%
Incl. PeakMemUse (bytes)23,200 23,200 0 0.0%
Incl. PeakMemUse (bytes) per call 136 136 0 0.0%
Excl. PeakMemUse (bytes)248 248 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% 21 0.0% 3 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function30 142.9% 17 566.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 21 100.0% 3 100.0% 0 N/A% 0 N/A%
Child function
str_replace0 N/A% -9 -42.9% -14 -466.7% 0 N/A% 0 N/A%