Diff Report
Run #538e3b37c1a66: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #538e3b37c1a66Run #538e3ac0de109DiffDiff%
Number of Function Calls139 137 -2 -1.4%
Incl. Wall Time (microsec)683 669 -14 -2.0%
Incl. Wall Time (microsec) per call 5 5 -0 -0.6%
Excl. Wall Time (microsec)391 380 -11 -2.8%
Incl. CPU (microsecs)804 796 -8 -1.0%
Incl. CPU (microsecs) per call 6 6 0 0.5%
Excl. CPU (microsec)405 400 -5 -1.2%
Incl. MemUse (bytes)29,480 29,064 -416 -1.4%
Incl. MemUse (bytes) per call 212 212 0 0.0%
Excl. MemUse (bytes)-142,128 -140,048 2,080 1.5%
Incl. PeakMemUse (bytes)27,888 28,416 528 1.9%
Incl. PeakMemUse (bytes) per call 201 207 7 3.4%
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-2 -50.0% -14 -0.3% -8 -0.2% -416 -0.4% 528 0.4%
Exclusive Metrics Diff for Current Function-11 -78.6% -5 -62.5% 2,080 500.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery-2 -100.0% -14 -100.0% -8 -100.0% -416 -100.0% 528 100.0%
Child function
str_replace-2 -100.0% -3 -21.4% -3 -37.5% -2,496 -600.0% 528 100.0%