Diff Report
Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a222581ef: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #52e4a1c03557cRun #52e4a222581efDiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)150 143 -7 -4.7%
Incl. Wall Time (microsec) per call 8 7 -0 -4.7%
Excl. Wall Time (microsec)45 44 -1 -2.2%
Incl. CPU (microsecs)169 162 -7 -4.1%
Incl. CPU (microsecs) per call 8 8 -0 -4.1%
Excl. CPU (microsec)50 45 -5 -10.0%
Incl. MemUse (bytes)5,856 5,856 0 0.0%
Incl. MemUse (bytes) per call 293 293 0 0.0%
Excl. MemUse (bytes)1,088 1,088 0 0.0%
Incl. PeakMemUse (bytes)2,672 2,280 -392 -14.7%
Incl. PeakMemUse (bytes) per call 134 114 -20 -14.7%
Excl. PeakMemUse (bytes)1,056 936 -120 -11.4%

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% -7 -1.4% -7 -3.3% 0 0.0% -392 -1.5%
Exclusive Metrics Diff for Current Function-1 -14.3% -5 -71.4% 0 N/A% -120 -30.6%
Parent function
file_create_url0 N/A% -7 -100.0% -7 -100.0% 0 N/A% -392 -100.0%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -6 -85.7% -2 -28.6% 0 N/A% -272 -69.4%