Diff Report
Run #519ac1a144fa6: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #519ac1a144fa6Run #519abf80bb905DiffDiff%
Number of Function Calls12 6 -6 -50.0%
Incl. Wall Time (microsec)194 132 -62 -32.0%
Incl. Wall Time (microsec) per call 16 22 6 36.1%
Excl. Wall Time (microsec)139 93 -46 -33.1%
Incl. CPU (microsecs)206 141 -65 -31.6%
Incl. CPU (microsecs) per call 17 24 6 36.9%
Excl. CPU (microsec)118 80 -38 -32.2%
Incl. MemUse (bytes)3,944 3,464 -480 -12.2%
Incl. MemUse (bytes) per call 329 577 249 75.7%
Excl. MemUse (bytes)1,944 1,656 -288 -14.8%
Incl. PeakMemUse (bytes)3,032 3,032 0 0.0%
Incl. PeakMemUse (bytes) per call 253 505 253 100.0%
Excl. PeakMemUse (bytes)1,416 1,416 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Component\Utility\Unicode::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\Component\Utility\Unicode::substr-6 -33.3% -62 -7.8% -65 -4.3% -480 -0.1% 0 0.0%
Exclusive Metrics Diff for Current Function-46 -74.2% -38 -58.5% -288 -60.0% 0 N/A%
Parent function
drupal_substr-6 -100.0% -62 -100.0% -65 -100.0% -480 -100.0% 0 N/A%
Child functions
mb_substr-6 -50.0% -9 -14.5% -20 -30.8% -192 -40.0% 0 N/A%
Drupal\Component\Utility\Unicode::getStatus-6 -50.0% -7 -11.3% -7 -10.8% 0 0.0% 0 N/A%