Diff Report
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prefixTables

Drupal\Core\Database\Connection::prefixTablesRun #519eb7a1537f7Run #519eb880e5974DiffDiff%
Number of Function Calls188 183 -5 -2.7%
Incl. Wall Time (microsec)1,900 1,855 -45 -2.4%
Incl. Wall Time (microsec) per call 10 10 0 0.3%
Excl. Wall Time (microsec)1,047 1,022 -25 -2.4%
Incl. CPU (microsecs)2,099 2,046 -53 -2.5%
Incl. CPU (microsecs) per call 11 11 0 0.1%
Excl. CPU (microsec)1,039 1,015 -24 -2.3%
Incl. MemUse (bytes)32,656 32,020 -636 -1.9%
Incl. MemUse (bytes) per call 174 175 1 0.7%
Excl. MemUse (bytes)-119,148 -116,168 2,980 2.5%
Incl. PeakMemUse (bytes)17,324 17,332 8 0.0%
Incl. PeakMemUse (bytes) per call 92 95 3 2.8%
Excl. PeakMemUse (bytes)248 248 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-5 -50.0% -45 -1.3% -53 -51.5% -636 -0.3% 8 0.0%
Exclusive Metrics Diff for Current Function-25 -55.6% -24 -45.3% 2,980 468.6% 0 0.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery-5 -100.0% -45 -100.0% -53 -100.0% -636 -100.0% 8 100.0%
Child function
str_replace-5 -100.0% -20 -44.4% -29 -54.7% -3,616 -568.6% 8 100.0%