Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #51ec485525502Run #51ec491641923DiffDiff%
Number of Function Calls182 182 0 0.0%
Incl. Wall Time (microsec)1,158 1,193 35 3.0%
Incl. Wall Time (microsec) per call 6 7 0 3.0%
Excl. Wall Time (microsec)567 574 7 1.2%
Incl. CPU (microsecs)1,291 1,336 45 3.5%
Incl. CPU (microsecs) per call 7 7 0 3.5%
Excl. CPU (microsec)566 568 2 0.4%
Incl. MemUse (bytes)43,368 43,392 24 0.1%
Incl. MemUse (bytes) per call 238 238 0 0.1%
Excl. MemUse (bytes)-191,896 -191,904 -8 -0.0%
Incl. PeakMemUse (bytes)45,840 48,240 2,400 5.2%
Incl. PeakMemUse (bytes) per call 252 265 13 5.2%
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::prefixTables0 N/A% 35 2.3% 45 2.6% 24 0.0% 2,400 1.8%
Exclusive Metrics Diff for Current Function7 20.0% 2 4.4% -8 -33.3% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 35 100.0% 45 100.0% 24 100.0% 2,400 100.0%
Child function
str_replace0 N/A% 28 80.0% 43 95.6% 32 133.3% 2,400 100.0%