Diff Report
Run #519fbf2154a5e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc26fe04d9: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #519fbf2154a5eRun #519fc26fe04d9DiffDiff%
Number of Function Calls23 23 0 0.0%
Incl. Wall Time (microsec)127 119 -8 -6.3%
Incl. Wall Time (microsec) per call 6 5 -0 -6.3%
Excl. Wall Time (microsec)73 65 -8 -11.0%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 174 174 N/A%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)5,064 5,064 0 0.0%
Incl. MemUse (bytes) per call 220 220 0 0.0%
Excl. MemUse (bytes)-13,152 -13,152 0 0.0%
Incl. PeakMemUse (bytes)2,288 2,288 0 0.0%
Incl. PeakMemUse (bytes) per call 99 99 0 0.0%
Excl. PeakMemUse (bytes)248 248 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% -8 -5.2% 4,000 400000.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -100.0% 4,000 100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -8 -100.0% 4,000 100.0% 0 N/A% 0 N/A%
Child function
str_replace0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%