Diff Report
Run #51ca5ac5912c3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #51ca5ac5912c3Run #51ca5a4995c23DiffDiff%
Number of Function Calls40 40 0 0.0%
Incl. Wall Time (microsec)537 520 -17 -3.2%
Incl. Wall Time (microsec) per call 13 13 -0 -3.2%
Excl. Wall Time (microsec)133 131 -2 -1.5%
Incl. CPU (microsecs)568 554 -14 -2.5%
Incl. CPU (microsecs) per call 14 14 -0 -2.5%
Excl. CPU (microsec)144 141 -3 -2.1%
Incl. MemUse (bytes)7,456 7,456 0 0.0%
Incl. MemUse (bytes) per call 186 186 0 0.0%
Excl. MemUse (bytes)1,088 1,088 0 0.0%
Incl. PeakMemUse (bytes)1,000 1,000 0 0.0%
Incl. PeakMemUse (bytes) per call 25 25 0 0.0%
Excl. PeakMemUse (bytes)848 848 0 0.0%

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% -17 -4.9% -14 -0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -11.8% -3 -21.4% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -17 -100.0% -14 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -15 -88.2% -11 -78.6% 0 N/A% 0 N/A%