Diff Report
Run #519c1681d41e5: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c153c76aa0: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #519c1681d41e5Run #519c153c76aa0DiffDiff%
Number of Function Calls140 140 0 0.0%
Incl. Wall Time (microsec)1,071 1,075 4 0.4%
Incl. Wall Time (microsec) per call 8 8 0 0.4%
Excl. Wall Time (microsec)610 613 3 0.5%
Incl. CPU (microsecs)1,182 1,188 6 0.5%
Incl. CPU (microsecs) per call 8 8 0 0.5%
Excl. CPU (microsec)603 613 10 1.7%
Incl. MemUse (bytes)31,776 31,776 0 0.0%
Incl. MemUse (bytes) per call 227 227 0 0.0%
Excl. MemUse (bytes)-154,360 -154,376 -16 -0.0%
Incl. PeakMemUse (bytes)29,456 29,544 88 0.3%
Incl. PeakMemUse (bytes) per call 210 211 1 0.3%
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% 4 0.1% 6 0.2% 0 0.0% 88 0.2%
Exclusive Metrics Diff for Current Function3 75.0% 10 166.7% -16 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 4 100.0% 6 100.0% 0 N/A% 88 100.0%
Child function
str_replace0 N/A% 1 25.0% -4 -66.7% 16 N/A% 88 100.0%