Diff Report
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519ac1c42d00d: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #519abf80bb905Run #519ac1c42d00dDiffDiff%
Number of Function Calls6 11 5 83.3%
Incl. Wall Time (microsec)185 243 58 31.4%
Incl. Wall Time (microsec) per call 31 22 -9 -28.4%
Excl. Wall Time (microsec)53 71 18 34.0%
Incl. CPU (microsecs)191 258 67 35.1%
Incl. CPU (microsecs) per call 32 23 -8 -26.3%
Excl. CPU (microsec)50 71 21 42.0%
Incl. MemUse (bytes)4,520 4,920 400 8.8%
Incl. MemUse (bytes) per call 753 447 -306 -40.6%
Excl. MemUse (bytes)1,056 1,056 0 0.0%
Incl. PeakMemUse (bytes)4,144 4,144 0 0.0%
Incl. PeakMemUse (bytes) per call 691 377 -314 -45.5%
Excl. PeakMemUse (bytes)1,112 1,112 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_substr5 50.0% 58 0.5% 67 0.5% 400 0.3% 0 0.0%
Exclusive Metrics Diff for Current Function18 31.0% 21 31.3% 0 0.0% 0 N/A%
Parent function
file_create_url5 100.0% 58 100.0% 67 100.0% 400 100.0% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr5 100.0% 40 69.0% 46 68.7% 400 100.0% 0 N/A%