Diff Report
Run #512a1f7f217a6: XHProf Run (Namespace=drupal-perf)
vs.
Run #512a20b11c1ab: XHProf Run (Namespace=drupal-perf)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #512a1f7f217a6Run #512a20b11c1abDiffDiff%
Number of Function Calls55 55 0 0.0%
Incl. Wall Time (microsec)466 302 -164 -35.2%
Incl. Wall Time (microsec) per call 8 5 -3 -35.2%
Excl. Wall Time (microsec)326 162 -164 -50.3%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)52,744 36,360 -16,384 -31.1%
Incl. MemUse (bytes) per call 959 661 -298 -31.1%
Excl. MemUse (bytes)6,888 6,888 0 0.0%
Incl. PeakMemUse (bytes)81,224 54,808 -26,416 -32.5%
Incl. PeakMemUse (bytes) per call 1,477 997 -480 -32.5%
Excl. PeakMemUse (bytes)27,912 27,912 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% -164 -0.5% 0 0.0% -16,384 -0.5% -26,416 -0.8%
Exclusive Metrics Diff for Current Function-164 -100.0% 0 N/A% 0 0.0% 0 0.0%
Parent functions
truncate_utf80 N/A% -164 -100.0% 0 N/A% -16,384 -100.0% -26,416 -100.0%
file_create_url0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%
Child function
mb_substr0 N/A% 0 0.0% 0 N/A% -16,384 -100.0% -26,416 -100.0%