Diff Report
Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Component\Utility\Unicode::substr

Drupal\Component\Utility\Unicode::substrRun #519eb880e5974Run #519eb7a1537f7DiffDiff%
Number of Function Calls29 29 0 0.0%
Incl. Wall Time (microsec)545 492 -53 -9.7%
Incl. Wall Time (microsec) per call 19 17 -2 -9.7%
Excl. Wall Time (microsec)308 291 -17 -5.5%
Incl. CPU (microsecs)573 517 -56 -9.8%
Incl. CPU (microsecs) per call 20 18 -2 -9.8%
Excl. CPU (microsec)279 258 -21 -7.5%
Incl. MemUse (bytes)14,144 14,144 0 0.0%
Incl. MemUse (bytes) per call 488 488 0 0.0%
Excl. MemUse (bytes)1,920 1,920 0 0.0%
Incl. PeakMemUse (bytes)22,988 22,988 0 0.0%
Incl. PeakMemUse (bytes) per call 793 793 0 0.0%
Excl. PeakMemUse (bytes)11,640 11,640 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% -53 -1.5% -56 -54.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-17 -32.1% -21 -37.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Component\Utility\Unicode::truncate0 N/A% -55 -103.8% -59 -105.4% 0 N/A% 0 N/A%
drupal_substr0 N/A% 2 3.8% 3 5.4% 0 N/A% 0 N/A%
Child functions
mb_substr0 N/A% -35 -66.0% -38 -67.9% 0 N/A% 0 N/A%
Drupal\Component\Utility\Unicode::getStatus0 N/A% -1 -1.9% 3 5.4% 0 N/A% 0 N/A%