Diff Report
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49b394aea8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #52e49acfb0eb8Run #52e49b394aea8DiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)151 151 0 0.0%
Incl. Wall Time (microsec) per call 8 8 0 0.0%
Excl. Wall Time (microsec)46 45 -1 -2.2%
Incl. CPU (microsecs)170 171 1 0.6%
Incl. CPU (microsecs) per call 9 9 0 0.6%
Excl. CPU (microsec)51 48 -3 -5.9%
Incl. MemUse (bytes)5,856 5,856 0 0.0%
Incl. MemUse (bytes) per call 293 293 0 0.0%
Excl. MemUse (bytes)1,088 1,088 0 0.0%
Incl. PeakMemUse (bytes)2,856 2,152 -704 -24.6%
Incl. PeakMemUse (bytes) per call 143 108 -35 -24.6%
Excl. PeakMemUse (bytes)1,056 936 -120 -11.4%

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% 0 0.0% 1 0.1% 0 0.0% -704 -2.7%
Exclusive Metrics Diff for Current Function-1 N/A% -3 -300.0% 0 N/A% -120 -17.0%
Parent function
file_create_url0 N/A% 0 N/A% 1 100.0% 0 N/A% -704 -100.0%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% 1 N/A% 4 400.0% 0 N/A% -584 -83.0%