Diff Report
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d52c2102: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #519d9cf28420eRun #519d9d52c2102DiffDiff%
Number of Function Calls154 154 0 0.0%
Incl. Wall Time (microsec)1,211 1,258 47 3.9%
Incl. Wall Time (microsec) per call 8 8 0 3.9%
Excl. Wall Time (microsec)692 677 -15 -2.2%
Incl. CPU (microsecs)1,333 1,375 42 3.2%
Incl. CPU (microsecs) per call 9 9 0 3.2%
Excl. CPU (microsec)682 671 -11 -1.6%
Incl. MemUse (bytes)34,296 34,296 0 0.0%
Incl. MemUse (bytes) per call 223 223 0 0.0%
Excl. MemUse (bytes)-169,536 -169,536 0 0.0%
Incl. PeakMemUse (bytes)29,424 29,424 0 0.0%
Incl. PeakMemUse (bytes) per call 191 191 0 0.0%
Excl. PeakMemUse (bytes)760 760 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% 47 21.3% 42 1.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-15 -31.9% -11 -26.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 47 100.0% 42 100.0% 0 N/A% 0 N/A%
Child function
str_replace0 N/A% 62 131.9% 53 126.2% 0 N/A% 0 N/A%