Diff Report
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #52e436ce9c71dRun #52e4374042aceDiffDiff%
Number of Function Calls121 122 1 0.8%
Incl. Wall Time (microsec)604 631 27 4.5%
Incl. Wall Time (microsec) per call 5 5 0 3.6%
Excl. Wall Time (microsec)343 367 24 7.0%
Incl. CPU (microsecs)710 733 23 3.2%
Incl. CPU (microsecs) per call 6 6 0 2.4%
Excl. CPU (microsec)358 366 8 2.2%
Incl. MemUse (bytes)26,224 26,424 200 0.8%
Incl. MemUse (bytes) per call 217 217 -0 -0.1%
Excl. MemUse (bytes)-123,680 -124,712 -1,032 -0.8%
Incl. PeakMemUse (bytes)30,296 30,640 344 1.1%
Incl. PeakMemUse (bytes) per call 250 251 1 0.3%
Excl. PeakMemUse (bytes)760 800 40 5.3%

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::prefixTables1 50.0% 27 2.3% 23 2.3% 200 0.2% 344 0.4%
Exclusive Metrics Diff for Current Function24 88.9% 8 34.8% -1,032 -516.0% 40 11.6%
Parent function
Drupal\Core\Database\Connection::prepareQuery1 100.0% 27 100.0% 23 100.0% 200 100.0% 344 100.0%
Child function
str_replace1 100.0% 3 11.1% 15 65.2% 1,232 616.0% 304 88.4%