Diff Report
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #53923e49d2b58Run #53923d861ff11DiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)262 254 -8 -3.1%
Incl. Wall Time (microsec) per call 13 13 -0 -3.1%
Excl. Wall Time (microsec)77 76 -1 -1.3%
Incl. CPU (microsecs)281 269 -12 -4.3%
Incl. CPU (microsecs) per call 14 13 -1 -4.3%
Excl. CPU (microsec)76 70 -6 -7.9%
Incl. MemUse (bytes)3,308 3,308 0 0.0%
Incl. MemUse (bytes) per call 165 165 0 0.0%
Excl. MemUse (bytes)588 588 0 0.0%
Incl. PeakMemUse (bytes)2,196 2,196 0 0.0%
Incl. PeakMemUse (bytes) per call 110 110 0 0.0%
Excl. PeakMemUse (bytes)496 496 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% -8 -0.5% -12 -1.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -12.5% -6 -50.0% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -8 -100.0% -12 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -7 -87.5% -6 -50.0% 0 N/A% 0 N/A%