Diff Report
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls251 98 -153 -61.0%
Incl. Wall Time (microsec)1,520 555 -965 -63.5%
Incl. Wall Time (microsec) per call 6 6 -0 -6.5%
Excl. Wall Time (microsec)775 297 -478 -61.7%
Incl. CPU (microsecs)1,711 656 -1,055 -61.7%
Incl. CPU (microsecs) per call 7 7 -0 -1.8%
Excl. CPU (microsec)710 298 -412 -58.0%
Incl. MemUse (bytes)89,424 21,512 -67,912 -75.9%
Incl. MemUse (bytes) per call 356 220 -137 -38.4%
Excl. MemUse (bytes)-295,112 -99,904 195,208 66.1%
Incl. PeakMemUse (bytes)24,936 22,680 -2,256 -9.0%
Incl. PeakMemUse (bytes) per call 99 231 132 133.0%
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::prefixTables-153 -50.0% -965 -0.4% -1,055 -1.1% -67,912 -27.9% -2,256 -0.6%
Exclusive Metrics Diff for Current Function-478 -49.5% -412 -39.1% 195,208 287.4% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery-153 -100.0% -965 -100.0% -1,055 -100.0% -67,912 -100.0% -2,256 -100.0%
Child function
str_replace-153 -100.0% -487 -50.5% -643 -60.9% -263,120 -387.4% -2,256 -100.0%