Diff Report
Run #519eb7f35533b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #519eb7f35533bRun #519eb7a1537f7DiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)210 204 -6 -2.9%
Incl. Wall Time (microsec) per call 19 19 -1 -2.9%
Excl. Wall Time (microsec)63 60 -3 -4.8%
Incl. CPU (microsecs)217 214 -3 -1.4%
Incl. CPU (microsecs) per call 20 19 -0 -1.4%
Excl. CPU (microsec)56 57 1 1.8%
Incl. MemUse (bytes)2,720 2,720 0 0.0%
Incl. MemUse (bytes) per call 247 247 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 206 206 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% -6 -0.2% -3 -0.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -50.0% 1 33.3% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -6 -100.0% -3 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -3 -50.0% -4 -133.3% 0 N/A% 0 N/A%