Diff Report
Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #519eb880e5974Run #519eb7a1537f7DiffDiff%
Number of Function Calls183 188 5 2.7%
Incl. Wall Time (microsec)1,855 1,900 45 2.4%
Incl. Wall Time (microsec) per call 10 10 -0 -0.3%
Excl. Wall Time (microsec)1,022 1,047 25 2.4%
Incl. CPU (microsecs)2,046 2,099 53 2.6%
Incl. CPU (microsecs) per call 11 11 -0 -0.1%
Excl. CPU (microsec)1,015 1,039 24 2.4%
Incl. MemUse (bytes)32,020 32,656 636 2.0%
Incl. MemUse (bytes) per call 175 174 -1 -0.7%
Excl. MemUse (bytes)-116,168 -119,148 -2,980 -2.6%
Incl. PeakMemUse (bytes)17,332 17,324 -8 -0.0%
Incl. PeakMemUse (bytes) per call 95 92 -3 -2.7%
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::prefixTables5 50.0% 45 1.3% 53 51.5% 636 0.3% -8 -0.0%
Exclusive Metrics Diff for Current Function25 55.6% 24 45.3% -2,980 -468.6% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery5 100.0% 45 100.0% 53 100.0% 636 100.0% -8 -100.0%
Child function
str_replace5 100.0% 20 44.4% 29 54.7% 3,616 568.6% -8 -100.0%