Diff Report
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #51978d4d92dd9Run #51978cc86c728DiffDiff%
Number of Function Calls134 133 -1 -0.7%
Incl. Wall Time (microsec)745 767 22 3.0%
Incl. Wall Time (microsec) per call 6 6 0 3.7%
Excl. Wall Time (microsec)403 408 5 1.2%
Incl. CPU (microsecs)853 875 22 2.6%
Incl. CPU (microsecs) per call 6 7 0 3.4%
Excl. CPU (microsec)368 386 18 4.9%
Incl. MemUse (bytes)31,872 31,672 -200 -0.6%
Incl. MemUse (bytes) per call 238 238 0 0.1%
Excl. MemUse (bytes)-148,952 -147,880 1,072 0.7%
Incl. PeakMemUse (bytes)31,880 31,400 -480 -1.5%
Incl. PeakMemUse (bytes) per call 238 236 -2 -0.8%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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-1 -50.0% 22 8.8% 22 18.2% -200 -0.9% -480 -2.1%
Exclusive Metrics Diff for Current Function5 22.7% 18 81.8% 1,072 536.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery-1 -100.0% 22 100.0% 22 100.0% -200 -100.0% -480 -100.0%
Child function
str_replace-1 -100.0% 17 77.3% 4 18.2% -1,272 -636.0% -480 -100.0%