Diff Report
Run #519c60f26cf68: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c619634b1e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #519c60f26cf68Run #519c619634b1eDiffDiff%
Number of Function Calls10 10 0 0.0%
Incl. Wall Time (microsec)184 179 -5 -2.7%
Incl. Wall Time (microsec) per call 18 18 -1 -2.7%
Excl. Wall Time (microsec)55 53 -2 -3.6%
Incl. CPU (microsecs)193 188 -5 -2.6%
Incl. CPU (microsecs) per call 19 19 -1 -2.6%
Excl. CPU (microsec)50 49 -1 -2.0%
Incl. MemUse (bytes)2,676 2,676 0 0.0%
Incl. MemUse (bytes) per call 268 268 0 0.0%
Excl. MemUse (bytes)572 572 0 0.0%
Incl. PeakMemUse (bytes)2,264 2,264 0 0.0%
Incl. PeakMemUse (bytes) per call 226 226 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% -5 -0.3% -5 -0.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -40.0% -1 -20.0% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -5 -100.0% -5 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -3 -60.0% -4 -80.0% 0 N/A% 0 N/A%