Diff Report
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #534ad9c94e95bRun #534ad8dec7444DiffDiff%
Number of Function Calls103 103 0 0.0%
Incl. Wall Time (microsec)1,354 1,212 -142 -10.5%
Incl. Wall Time (microsec) per call 13 12 -1 -10.5%
Excl. Wall Time (microsec)415 357 -58 -14.0%
Incl. CPU (microsecs)1,430 1,291 -139 -9.7%
Incl. CPU (microsecs) per call 14 13 -1 -9.7%
Excl. CPU (microsec)380 351 -29 -7.6%
Incl. MemUse (bytes)7,308 7,308 0 0.0%
Incl. MemUse (bytes) per call 71 71 0 0.0%
Excl. MemUse (bytes)588 588 0 0.0%
Incl. PeakMemUse (bytes)2,292 2,292 0 0.0%
Incl. PeakMemUse (bytes) per call 22 22 0 0.0%
Excl. PeakMemUse (bytes)572 572 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% -142 -8.6% -139 -27.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-58 -40.8% -29 -20.9% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -142 -100.0% -139 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -84 -59.2% -110 -79.1% 0 N/A% 0 N/A%