Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #51ec517fc2424Run #51ec52a09990aDiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)1,105 1,105 0 0.0%
Incl. Wall Time (microsec) per call 7 7 0 0.0%
Excl. Wall Time (microsec)546 538 -8 -1.5%
Incl. CPU (microsecs)1,232 1,249 17 1.4%
Incl. CPU (microsecs) per call 7 7 0 1.4%
Excl. CPU (microsec)539 559 20 3.7%
Incl. MemUse (bytes)41,032 41,064 32 0.1%
Incl. MemUse (bytes) per call 241 242 0 0.1%
Excl. MemUse (bytes)-179,528 -179,592 -64 -0.0%
Incl. PeakMemUse (bytes)48,792 48,328 -464 -1.0%
Incl. PeakMemUse (bytes) per call 287 284 -3 -1.0%
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% 0 0.0% 17 0.4% 32 0.1% -464 -2.0%
Exclusive Metrics Diff for Current Function-8 N/A% 20 117.6% -64 -200.0% -40 -8.6%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 0 N/A% 17 100.0% 32 100.0% -464 -100.0%
Child function
str_replace0 N/A% 8 N/A% -3 -17.6% 96 300.0% -424 -91.4%