Diff Report
Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5d631cb28: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #51ec5ca916d7dRun #51ec5d631cb28DiffDiff%
Number of Function Calls142 142 0 0.0%
Incl. Wall Time (microsec)913 935 22 2.4%
Incl. Wall Time (microsec) per call 6 7 0 2.4%
Excl. Wall Time (microsec)464 456 -8 -1.7%
Incl. CPU (microsecs)1,033 1,043 10 1.0%
Incl. CPU (microsecs) per call 7 7 0 1.0%
Excl. CPU (microsec)478 441 -37 -7.7%
Incl. MemUse (bytes)30,784 30,784 0 0.0%
Incl. MemUse (bytes) per call 217 217 0 0.0%
Excl. MemUse (bytes)-145,864 -145,864 0 0.0%
Incl. PeakMemUse (bytes)32,784 32,744 -40 -0.1%
Incl. PeakMemUse (bytes) per call 231 231 -0 -0.1%
Excl. PeakMemUse (bytes)840 800 -40 -4.8%

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% 22 0.3% 10 0.1% 0 0.0% -40 -0.1%
Exclusive Metrics Diff for Current Function-8 -36.4% -37 -370.0% 0 N/A% -40 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 22 100.0% 10 100.0% 0 N/A% -40 -100.0%
Child function
str_replace0 N/A% 30 136.4% 47 470.0% 0 N/A% 0 0.0%