Diff Report
Run #5204425923c81: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5204417bc7ab7: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #5204425923c81Run #5204417bc7ab7DiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)150 136 -14 -9.3%
Incl. Wall Time (microsec) per call 10 9 -1 -9.3%
Excl. Wall Time (microsec)44 39 -5 -11.4%
Incl. CPU (microsecs)163 145 -18 -11.0%
Incl. CPU (microsecs) per call 11 10 -1 -11.0%
Excl. CPU (microsec)40 33 -7 -17.5%
Incl. MemUse (bytes)5,488 5,488 0 0.0%
Incl. MemUse (bytes) per call 366 366 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% -14 -17.7% -18 -2.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-5 -35.7% -7 -38.9% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -14 -100.0% -18 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -9 -64.3% -11 -61.1% 0 N/A% 0 N/A%