Diff Report
Run #51ec3c1813b11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #51ec3c1813b11Run #51ec3b81ad265DiffDiff%
Number of Function Calls68 68 0 0.0%
Incl. Wall Time (microsec)576 562 -14 -2.4%
Incl. Wall Time (microsec) per call 8 8 -0 -2.4%
Excl. Wall Time (microsec)193 193 0 0.0%
Incl. CPU (microsecs)603 583 -20 -3.3%
Incl. CPU (microsecs) per call 9 9 -0 -3.3%
Excl. CPU (microsec)158 147 -11 -7.0%
Incl. MemUse (bytes)9,696 9,696 0 0.0%
Incl. MemUse (bytes) per call 143 143 0 0.0%
Excl. MemUse (bytes)1,088 1,088 0 0.0%
Incl. PeakMemUse (bytes)1,600 1,600 0 0.0%
Incl. PeakMemUse (bytes) per call 24 24 0 0.0%
Excl. PeakMemUse (bytes)968 968 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% -14 -0.6% -20 -2.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% -11 -55.0% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -14 -100.0% -20 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -14 -100.0% -9 -45.0% 0 N/A% 0 N/A%