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

Drupal\Core\Database\Connection::prefixTablesRun #539201f8938f4Run #539203c57074dDiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)1,482 1,479 -3 -0.2%
Incl. Wall Time (microsec) per call 9 9 -0 -0.2%
Excl. Wall Time (microsec)769 739 -30 -3.9%
Incl. CPU (microsecs)1,645 1,634 -11 -0.7%
Incl. CPU (microsecs) per call 10 10 -0 -0.7%
Excl. CPU (microsec)757 727 -30 -4.0%
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 Function-30 -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%