Diff Report
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff79b9e81a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #519ff693b4ca2Run #519ff79b9e81aDiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)1,094 1,084 -10 -0.9%
Incl. Wall Time (microsec) per call 9 9 -0 -0.9%
Excl. Wall Time (microsec)568 555 -13 -2.3%
Incl. CPU (microsecs)1,209 1,201 -8 -0.7%
Incl. CPU (microsecs) per call 10 10 -0 -0.7%
Excl. CPU (microsec)563 562 -1 -0.2%
Incl. MemUse (bytes)26,304 26,304 0 0.0%
Incl. MemUse (bytes) per call 227 227 0 0.0%
Excl. MemUse (bytes)-119,648 -119,648 0 0.0%
Incl. PeakMemUse (bytes)30,808 30,808 0 0.0%
Incl. PeakMemUse (bytes) per call 266 266 0 0.0%
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% -10 -1.8% -8 -1.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-13 -130.0% -1 -12.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -10 -100.0% -8 -100.0% 0 N/A% 0 N/A%
Child function
str_replace0 N/A% 3 30.0% -7 -87.5% 0 N/A% 0 N/A%