Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4dc9980f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #519d4cd4e396dRun #519d4dc9980f7DiffDiff%
Number of Function Calls180 180 0 0.0%
Incl. Wall Time (microsec)1,772 1,754 -18 -1.0%
Incl. Wall Time (microsec) per call 10 10 -0 -1.0%
Excl. Wall Time (microsec)974 953 -21 -2.2%
Incl. CPU (microsecs)1,956 1,946 -10 -0.5%
Incl. CPU (microsecs) per call 11 11 -0 -0.5%
Excl. CPU (microsec)984 945 -39 -4.0%
Incl. MemUse (bytes)31,440 31,428 -12 -0.0%
Incl. MemUse (bytes) per call 175 175 -0 -0.0%
Excl. MemUse (bytes)-114,176 -114,176 0 0.0%
Incl. PeakMemUse (bytes)17,144 17,144 0 0.0%
Incl. PeakMemUse (bytes) per call 95 95 0 0.0%
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::prefixTables0 N/A% -18 -0.1% -10 -0.1% -12 -1.8% 0 0.0%
Exclusive Metrics Diff for Current Function-21 -116.7% -39 -390.0% 0 0.0% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -18 -100.0% -10 -100.0% -12 -100.0% 0 N/A%
Child function
str_replace0 N/A% 3 16.7% 29 290.0% -12 -100.0% 0 N/A%