Diff Report
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #534ad9c94e95bRun #534ad8dec7444DiffDiff%
Number of Function Calls222 222 0 0.0%
Incl. Wall Time (microsec)2,135 2,158 23 1.1%
Incl. Wall Time (microsec) per call 10 10 0 1.1%
Excl. Wall Time (microsec)1,058 1,085 27 2.6%
Incl. CPU (microsecs)2,371 2,380 9 0.4%
Incl. CPU (microsecs) per call 11 11 0 0.4%
Excl. CPU (microsec)1,050 1,054 4 0.4%
Incl. MemUse (bytes)47,916 47,916 0 0.0%
Incl. MemUse (bytes) per call 216 216 0 0.0%
Excl. MemUse (bytes)-141,672 -141,672 0 0.0%
Incl. PeakMemUse (bytes)51,500 51,616 116 0.2%
Incl. PeakMemUse (bytes) per call 232 233 1 0.2%
Excl. PeakMemUse (bytes)296 296 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% 23 1.4% 9 1.8% 0 0.0% 116 0.5%
Exclusive Metrics Diff for Current Function27 117.4% 4 44.4% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 23 100.0% 9 100.0% 0 N/A% 116 100.0%
Child function
str_replace0 N/A% -4 -17.4% 5 55.6% 0 N/A% 116 100.0%