Diff Report
Run #52e49b394aea8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #52e49b394aea8Run #52e49acfb0eb8DiffDiff%
Number of Function Calls95 94 -1 -1.1%
Incl. Wall Time (microsec)503 479 -24 -4.8%
Incl. Wall Time (microsec) per call 5 5 -0 -3.8%
Excl. Wall Time (microsec)297 277 -20 -6.7%
Incl. CPU (microsecs)599 566 -33 -5.5%
Incl. CPU (microsecs) per call 6 6 -0 -4.5%
Excl. CPU (microsec)332 291 -41 -12.3%
Incl. MemUse (bytes)20,432 20,232 -200 -1.0%
Incl. MemUse (bytes) per call 215 215 0 0.1%
Excl. MemUse (bytes)-96,192 -95,160 1,032 1.1%
Incl. PeakMemUse (bytes)20,320 20,272 -48 -0.2%
Incl. PeakMemUse (bytes) per call 214 216 2 0.8%
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-1 -50.0% -24 -2.2% -33 -4.0% -200 -0.8% -48 -0.2%
Exclusive Metrics Diff for Current Function-20 -83.3% -41 -124.2% 1,032 516.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery-1 -100.0% -24 -100.0% -33 -100.0% -200 -100.0% -48 -100.0%
Child function
str_replace-1 -100.0% -4 -16.7% 8 24.2% -1,232 -616.0% -48 -100.0%