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

Drupal\Core\Database\Connection::prefixTablesRun #517c1c27a12c9Run #517c1bb406b02DiffDiff%
Number of Function Calls98 251 153 156.1%
Incl. Wall Time (microsec)569 1,555 986 173.3%
Incl. Wall Time (microsec) per call 6 6 0 6.7%
Excl. Wall Time (microsec)307 796 489 159.3%
Incl. CPU (microsecs)646 1,776 1,130 174.9%
Incl. CPU (microsecs) per call 7 7 0 7.3%
Excl. CPU (microsec)288 785 497 172.6%
Incl. MemUse (bytes)21,512 89,424 67,912 315.7%
Incl. MemUse (bytes) per call 220 356 137 62.3%
Excl. MemUse (bytes)-99,904 -295,128 -195,224 -195.4%
Incl. PeakMemUse (bytes)22,680 24,872 2,192 9.7%
Incl. PeakMemUse (bytes) per call 231 99 -132 -57.2%
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::prefixTables153 50.0% 986 0.3% 1,130 1.0% 67,912 15.3% 2,192 0.4%
Exclusive Metrics Diff for Current Function489 49.6% 497 44.0% -195,224 -287.5% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery153 100.0% 986 100.0% 1,130 100.0% 67,912 100.0% 2,192 100.0%
Child function
str_replace153 100.0% 497 50.4% 633 56.0% 263,136 387.5% 2,192 100.0%