Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls251 98 -153 -61.0%
Incl. Wall Time (microsec)1,555 569 -986 -63.4%
Incl. Wall Time (microsec) per call 6 6 -0 -6.3%
Excl. Wall Time (microsec)796 307 -489 -61.4%
Incl. CPU (microsecs)1,776 646 -1,130 -63.6%
Incl. CPU (microsecs) per call 7 7 -0 -6.8%
Excl. CPU (microsec)785 288 -497 -63.3%
Incl. MemUse (bytes)89,424 21,512 -67,912 -75.9%
Incl. MemUse (bytes) per call 356 220 -137 -38.4%
Excl. MemUse (bytes)-295,128 -99,904 195,224 66.1%
Incl. PeakMemUse (bytes)24,872 22,680 -2,192 -8.8%
Incl. PeakMemUse (bytes) per call 99 231 132 133.6%
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::prefixTables-153 -50.0% -986 -0.3% -1,130 -1.0% -67,912 -15.3% -2,192 -0.4%
Exclusive Metrics Diff for Current Function-489 -49.6% -497 -44.0% 195,224 287.5% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery-153 -100.0% -986 -100.0% -1,130 -100.0% -67,912 -100.0% -2,192 -100.0%
Child function
str_replace-153 -100.0% -497 -50.4% -633 -56.0% -263,136 -387.5% -2,192 -100.0%