Diff Report
Run #519bea9000214: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #519bea9000214Run #519be9a13e594DiffDiff%
Number of Function Calls150 149 -1 -0.7%
Incl. Wall Time (microsec)1,417 1,436 19 1.3%
Incl. Wall Time (microsec) per call 9 10 0 2.0%
Excl. Wall Time (microsec)772 786 14 1.8%
Incl. CPU (microsecs)1,578 1,581 3 0.2%
Incl. CPU (microsecs) per call 11 11 0 0.9%
Excl. CPU (microsec)760 786 26 3.4%
Incl. MemUse (bytes)26,808 26,640 -168 -0.6%
Incl. MemUse (bytes) per call 179 179 0 0.0%
Excl. MemUse (bytes)-95,440 -94,804 636 0.7%
Incl. PeakMemUse (bytes)16,576 16,564 -12 -0.1%
Incl. PeakMemUse (bytes) per call 111 111 1 0.6%
Excl. PeakMemUse (bytes)248 248 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-1 -50.0% 19 0.5% 3 0.1% -168 -0.7% -12 -0.0%
Exclusive Metrics Diff for Current Function14 73.7% 26 866.7% 636 378.6% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery-1 -100.0% 19 100.0% 3 100.0% -168 -100.0% -12 -100.0%
Child function
str_replace-1 -100.0% 5 26.3% -23 -766.7% -804 -478.6% -12 -100.0%