Diff Report
Run #52c1d5ca86be3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52c1d65bccb31: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #52c1d5ca86be3Run #52c1d65bccb31DiffDiff%
Number of Function Calls96 96 0 0.0%
Incl. Wall Time (microsec)809 817 8 1.0%
Incl. Wall Time (microsec) per call 8 9 0 1.0%
Excl. Wall Time (microsec)258 279 21 8.1%
Incl. CPU (microsecs)858 869 11 1.3%
Incl. CPU (microsecs) per call 9 9 0 1.3%
Excl. CPU (microsec)232 233 1 0.4%
Incl. MemUse (bytes)11,904 11,904 0 0.0%
Incl. MemUse (bytes) per call 124 124 0 0.0%
Excl. MemUse (bytes)1,232 1,232 0 0.0%
Incl. PeakMemUse (bytes)4,272 3,944 -328 -7.7%
Incl. PeakMemUse (bytes) per call 45 41 -3 -7.7%
Excl. PeakMemUse (bytes)1,232 1,056 -176 -14.3%

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% 8 0.1% 11 0.4% 0 0.0% -328 -0.5%
Exclusive Metrics Diff for Current Function21 262.5% 1 9.1% 0 N/A% -176 -53.7%
Parent function
file_create_url0 N/A% 8 100.0% 11 100.0% 0 N/A% -328 -100.0%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -13 -162.5% 10 90.9% 0 N/A% -152 -46.3%