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

Drupal\Core\Database\Connection::prefixTablesRun #51ec52a09990aRun #51ec517fc2424DiffDiff%
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)538 546 8 1.5%
Incl. CPU (microsecs)1,249 1,232 -17 -1.4%
Incl. CPU (microsecs) per call 7 7 -0 -1.4%
Excl. CPU (microsec)559 539 -20 -3.6%
Incl. MemUse (bytes)41,064 41,032 -32 -0.1%
Incl. MemUse (bytes) per call 242 241 -0 -0.1%
Excl. MemUse (bytes)-179,592 -179,528 64 0.0%
Incl. PeakMemUse (bytes)48,328 48,792 464 1.0%
Incl. PeakMemUse (bytes) per call 284 287 3 1.0%
Excl. PeakMemUse (bytes)800 840 40 5.0%

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% 0 0.0% -17 -0.4% -32 -0.1% 464 2.0%
Exclusive Metrics Diff for Current Function8 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%