Diff Report
Run #519fbb3f5c2a0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbcb7249d1: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #519fbb3f5c2a0Run #519fbcb7249d1DiffDiff%
Number of Function Calls13 13 0 0.0%
Incl. Wall Time (microsec)124 120 -4 -3.2%
Incl. Wall Time (microsec) per call 10 9 -0 -3.2%
Excl. Wall Time (microsec)38 35 -3 -7.9%
Incl. CPU (microsecs)129 125 -4 -3.1%
Incl. CPU (microsecs) per call 10 10 -0 -3.1%
Excl. CPU (microsec)33 28 -5 -15.2%
Incl. MemUse (bytes)5,328 5,328 0 0.0%
Incl. MemUse (bytes) per call 410 410 0 0.0%
Excl. MemUse (bytes)1,088 1,088 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% -4 -1.0% -4 -1.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-3 -75.0% -5 -125.0% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -4 -100.0% -4 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -1 -25.0% 1 25.0% 0 N/A% 0 N/A%