Diff Report
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb9d4924f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #52f5cb0964fa0Run #52f5cb9d4924fDiffDiff%
Number of Function Calls17 17 0 0.0%
Incl. Wall Time (microsec)116 116 0 0.0%
Incl. Wall Time (microsec) per call 7 7 0 0.0%
Excl. Wall Time (microsec)37 36 -1 -2.7%
Incl. CPU (microsecs)130 126 -4 -3.1%
Incl. CPU (microsecs) per call 8 7 -0 -3.1%
Excl. CPU (microsec)40 33 -7 -17.5%
Incl. MemUse (bytes)3,248 3,248 0 0.0%
Incl. MemUse (bytes) per call 191 191 0 0.0%
Excl. MemUse (bytes)1,088 1,088 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% 0 0.0% -4 -0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 N/A% -7 -175.0% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% 0 N/A% -4 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% 1 N/A% 3 75.0% 0 N/A% 0 N/A%