Diff Report
Run #539206aca7ae8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #539206aca7ae8Run #539205a48c548DiffDiff%
Number of Function Calls196 196 0 0.0%
Incl. Wall Time (microsec)1,698 1,701 3 0.2%
Incl. Wall Time (microsec) per call 9 9 0 0.2%
Excl. Wall Time (microsec)871 853 -18 -2.1%
Incl. CPU (microsecs)1,888 1,895 7 0.4%
Incl. CPU (microsecs) per call 10 10 0 0.4%
Excl. CPU (microsec)863 859 -4 -0.5%
Incl. MemUse (bytes)33,128 33,124 -4 -0.0%
Incl. MemUse (bytes) per call 169 169 -0 -0.0%
Excl. MemUse (bytes)-115,644 -115,656 -12 -0.0%
Incl. PeakMemUse (bytes)29,052 28,460 -592 -2.0%
Incl. PeakMemUse (bytes) per call 148 145 -3 -2.0%
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 0.1% 7 0.2% -4 -0.0% -592 -0.6%
Exclusive Metrics Diff for Current Function-18 -600.0% -4 -57.1% -12 -300.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 3 100.0% 7 100.0% -4 -100.0% -592 -100.0%
Child function
str_replace0 N/A% 21 700.0% 11 157.1% 8 200.0% -592 -100.0%