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_substr

drupal_substrRun #52f2e60305388Run #52f2e62cef49aDiffDiff%
Number of Function Calls100 100 0 0.0%
Incl. Wall Time (microsec)755 745 -10 -1.3%
Incl. Wall Time (microsec) per call 8 7 -0 -1.3%
Excl. Wall Time (microsec)211 211 0 0.0%
Incl. CPU (microsecs)841 798 -43 -5.1%
Incl. CPU (microsecs) per call 8 8 -0 -5.1%
Excl. CPU (microsec)221 206 -15 -6.8%
Incl. MemUse (bytes)12,288 12,288 0 0.0%
Incl. MemUse (bytes) per call 123 123 0 0.0%
Excl. MemUse (bytes)1,088 1,088 0 0.0%
Incl. PeakMemUse (bytes)4,336 4,336 0 0.0%
Incl. PeakMemUse (bytes) per call 43 43 0 0.0%
Excl. PeakMemUse (bytes)1,056 1,056 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% -10 -0.4% -43 -2.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function0 0.0% -15 -34.9% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -10 -100.0% -43 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -10 -100.0% -28 -65.1% 0 N/A% 0 N/A%