Diff Report
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #5392041970f3fRun #539201f8938f4DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)1,484 1,482 -2 -0.1%
Incl. Wall Time (microsec) per call 9 9 -0 -0.1%
Excl. Wall Time (microsec)756 769 13 1.7%
Incl. CPU (microsecs)1,650 1,645 -5 -0.3%
Incl. CPU (microsecs) per call 10 10 -0 -0.3%
Excl. CPU (microsec)751 757 6 0.8%
Incl. MemUse (bytes)29,744 29,740 -4 -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)29,108 29,120 12 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% -2 -0.1% -5 -0.2% -4 -0.0% 12 0.0%
Exclusive Metrics Diff for Current Function13 650.0% 6 120.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -2 -100.0% -5 -100.0% -4 -100.0% 12 100.0%
Child function
str_replace0 N/A% -15 -750.0% -11 -220.0% -4 -100.0% 12 100.0%