Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62cef49a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #52f2e60305388Run #52f2e62cef49aDiffDiff%
Number of Function Calls100 100 0 0.0%
Incl. Wall Time (microsec)544 534 -10 -1.8%
Incl. Wall Time (microsec) per call 5 5 -0 -1.8%
Excl. Wall Time (microsec)428 436 8 1.9%
Incl. CPU (microsecs)620 592 -28 -4.5%
Incl. CPU (microsecs) per call 6 6 -0 -4.5%
Excl. CPU (microsec)356 321 -35 -9.8%
Incl. MemUse (bytes)11,200 11,200 0 0.0%
Incl. MemUse (bytes) per call 112 112 0 0.0%
Excl. MemUse (bytes)6,352 6,352 0 0.0%
Incl. PeakMemUse (bytes)3,280 3,280 0 0.0%
Incl. PeakMemUse (bytes) per call 33 33 0 0.0%
Excl. PeakMemUse (bytes)1,632 1,632 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::substr0 N/A% -10 -0.4% -28 -1.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function8 80.0% -35 -125.0% 0 N/A% 0 N/A%
Parent function
drupal_substr0 N/A% -10 -100.0% -28 -100.0% 0 N/A% 0 N/A%
Child functions
mb_substr0 N/A% -13 -130.0% 15 53.6% 0 N/A% 0 N/A%
Drupal\Component\Utility\Unicode::getStatus0 N/A% -5 -50.0% -8 -28.6% 0 N/A% 0 N/A%