Diff Report
Run #52c96b69a1c07: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96bbf45f87: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #52c96b69a1c07Run #52c96bbf45f87DiffDiff%
Number of Function Calls18 18 0 0.0%
Incl. Wall Time (microsec)125 124 -1 -0.8%
Incl. Wall Time (microsec) per call 7 7 -0 -0.8%
Excl. Wall Time (microsec)39 42 3 7.7%
Incl. CPU (microsecs)134 132 -2 -1.5%
Incl. CPU (microsecs) per call 7 7 -0 -1.5%
Excl. CPU (microsec)34 31 -3 -8.8%
Incl. MemUse (bytes)5,696 5,696 0 0.0%
Incl. MemUse (bytes) per call 316 316 0 0.0%
Excl. MemUse (bytes)1,088 1,088 0 0.0%
Incl. PeakMemUse (bytes)1,440 1,096 -344 -23.9%
Incl. PeakMemUse (bytes) per call 80 61 -19 -23.9%
Excl. PeakMemUse (bytes)968 848 -120 -12.4%

Parent/Child Regression/Improvement report for drupal_substr [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_substr0 N/A% -1 -0.2% -2 -0.4% 0 0.0% -344 -0.7%
Exclusive Metrics Diff for Current Function3 300.0% -3 -150.0% 0 N/A% -120 -34.9%
Parent function
file_create_url0 N/A% -1 -100.0% -2 -100.0% 0 N/A% -344 -100.0%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -4 -400.0% 1 50.0% 0 N/A% -224 -65.1%