Diff Report
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #53923e49d2b58Run #53923d861ff11DiffDiff%
Number of Function Calls258 258 0 0.0%
Incl. Wall Time (microsec)2,330 2,323 -7 -0.3%
Incl. Wall Time (microsec) per call 9 9 -0 -0.3%
Excl. Wall Time (microsec)1,178 1,169 -9 -0.8%
Incl. CPU (microsecs)2,573 2,588 15 0.6%
Incl. CPU (microsecs) per call 10 10 0 0.6%
Excl. CPU (microsec)1,146 1,171 25 2.2%
Incl. MemUse (bytes)51,568 51,568 0 0.0%
Incl. MemUse (bytes) per call 200 200 0 0.0%
Excl. MemUse (bytes)-160,404 -160,404 0 0.0%
Incl. PeakMemUse (bytes)48,048 48,636 588 1.2%
Incl. PeakMemUse (bytes) per call 186 189 2 1.2%
Excl. PeakMemUse (bytes)388 388 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% -7 -0.4% 15 1.4% 0 0.0% 588 84.5%
Exclusive Metrics Diff for Current Function-9 -128.6% 25 166.7% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -7 -100.0% 15 100.0% 0 N/A% 588 100.0%
Child function
str_replace0 N/A% 2 28.6% -10 -66.7% 0 N/A% 588 100.0%