Diff Report
Run #541de429e5ab1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #541de5cbd937a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #541de429e5ab1Run #541de5cbd937aDiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)1,107 1,015 -92 -8.3%
Incl. Wall Time (microsec) per call 8 7 -1 -8.3%
Excl. Wall Time (microsec)642 569 -73 -11.4%
Incl. CPU (microsecs)1,234 1,166 -68 -5.5%
Incl. CPU (microsecs) per call 8 8 -0 -5.5%
Excl. CPU (microsec)649 610 -39 -6.0%
Incl. MemUse (bytes)33,848 33,848 0 0.0%
Incl. MemUse (bytes) per call 232 232 0 0.0%
Excl. MemUse (bytes)-157,016 -157,016 0 0.0%
Incl. PeakMemUse (bytes)39,864 39,920 56 0.1%
Incl. PeakMemUse (bytes) per call 273 273 0 0.1%
Excl. PeakMemUse (bytes)760 816 56 7.4%

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% -92 -1.0% -68 -0.8% 0 0.0% 56 0.0%
Exclusive Metrics Diff for Current Function-73 -79.3% -39 -57.4% 0 N/A% 56 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -92 -100.0% -68 -100.0% 0 N/A% 56 100.0%
Child function
str_replace0 N/A% -19 -20.7% -29 -42.6% 0 N/A% 0 0.0%