Diff Report
Run #519c04ab45451: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c03b86b1ec: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #519c04ab45451Run #519c03b86b1ecDiffDiff%
Number of Function Calls172 171 -1 -0.6%
Incl. Wall Time (microsec)1,660 1,687 27 1.6%
Incl. Wall Time (microsec) per call 10 10 0 2.2%
Excl. Wall Time (microsec)914 941 27 3.0%
Incl. CPU (microsecs)1,844 1,877 33 1.8%
Incl. CPU (microsecs) per call 11 11 0 2.4%
Excl. CPU (microsec)920 948 28 3.0%
Incl. MemUse (bytes)30,224 30,056 -168 -0.6%
Incl. MemUse (bytes) per call 176 176 0 0.0%
Excl. MemUse (bytes)-109,240 -108,604 636 0.6%
Incl. PeakMemUse (bytes)17,436 17,488 52 0.3%
Incl. PeakMemUse (bytes) per call 101 102 1 0.9%
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% 27 4.3% 33 2.2% -168 -1.3% 52 0.3%
Exclusive Metrics Diff for Current Function27 100.0% 28 84.8% 636 378.6% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery-1 -100.0% 27 100.0% 33 100.0% -168 -100.0% 52 100.0%
Child function
str_replace-1 -100.0% 0 0.0% 5 15.2% -804 -478.6% 52 100.0%