Diff Report
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #51ec66a5a877dRun #51ec623000e0cDiffDiff%
Number of Function Calls300 300 0 0.0%
Incl. Wall Time (microsec)1,880 1,850 -30 -1.6%
Incl. Wall Time (microsec) per call 6 6 -0 -1.6%
Excl. Wall Time (microsec)952 935 -17 -1.8%
Incl. CPU (microsecs)2,101 2,093 -8 -0.4%
Incl. CPU (microsecs) per call 7 7 -0 -0.4%
Excl. CPU (microsec)936 954 18 1.9%
Incl. MemUse (bytes)59,960 59,968 8 0.0%
Incl. MemUse (bytes) per call 200 200 0 0.0%
Excl. MemUse (bytes)-307,808 -308,024 -216 -0.1%
Incl. PeakMemUse (bytes)36,040 36,000 -40 -0.1%
Incl. PeakMemUse (bytes) per call 120 120 -0 -0.1%
Excl. PeakMemUse (bytes)800 760 -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% -30 -1.3% -8 -0.2% 8 0.0% -40 -0.1%
Exclusive Metrics Diff for Current Function-17 -56.7% 18 225.0% -216 -2700.0% -40 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -30 -100.0% -8 -100.0% 8 100.0% -40 -100.0%
Child function
str_replace0 N/A% -13 -43.3% -26 -325.0% 224 2800.0% 0 0.0%