Diff Report
Run #52c96d7c36f9e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96dcbc5e6a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #52c96d7c36f9eRun #52c96dcbc5e6aDiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)567 545 -22 -3.9%
Incl. Wall Time (microsec) per call 5 5 -0 -3.9%
Excl. Wall Time (microsec)293 300 7 2.4%
Incl. CPU (microsecs)676 641 -35 -5.2%
Incl. CPU (microsecs) per call 6 5 -0 -5.2%
Excl. CPU (microsec)323 313 -10 -3.1%
Incl. MemUse (bytes)25,968 25,968 0 0.0%
Incl. MemUse (bytes) per call 215 215 0 0.0%
Excl. MemUse (bytes)-123,080 -123,096 -16 -0.0%
Incl. PeakMemUse (bytes)25,792 25,872 80 0.3%
Incl. PeakMemUse (bytes) per call 213 214 1 0.3%
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% -22 -2.9% -35 -2.3% 0 0.0% 80 0.1%
Exclusive Metrics Diff for Current Function7 31.8% -10 -28.6% -16 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -22 -100.0% -35 -100.0% 0 N/A% 80 100.0%
Child function
str_replace0 N/A% -29 -131.8% -25 -71.4% 16 N/A% 80 100.0%