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

drupal_substrRun #53923d861ff11Run #53923e49d2b58DiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)254 262 8 3.1%
Incl. Wall Time (microsec) per call 13 13 0 3.1%
Excl. Wall Time (microsec)76 77 1 1.3%
Incl. CPU (microsecs)269 281 12 4.5%
Incl. CPU (microsecs) per call 13 14 1 4.5%
Excl. CPU (microsec)70 76 6 8.6%
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 Function1 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%