Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #534ad8dec7444Run #534ad972c8c0dDiffDiff%
Number of Function Calls103 103 0 0.0%
Incl. Wall Time (microsec)1,212 1,232 20 1.7%
Incl. Wall Time (microsec) per call 12 12 0 1.7%
Excl. Wall Time (microsec)357 365 8 2.2%
Incl. CPU (microsecs)1,291 1,321 30 2.3%
Incl. CPU (microsecs) per call 13 13 0 2.3%
Excl. CPU (microsec)351 362 11 3.1%
Incl. MemUse (bytes)7,308 7,308 0 0.0%
Incl. MemUse (bytes) per call 71 71 0 0.0%
Excl. MemUse (bytes)588 588 0 0.0%
Incl. PeakMemUse (bytes)2,292 2,292 0 0.0%
Incl. PeakMemUse (bytes) per call 22 22 0 0.0%
Excl. PeakMemUse (bytes)572 572 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% 20 1.4% 30 5.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function8 40.0% 11 36.7% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% 20 100.0% 30 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% 12 60.0% 19 63.3% 0 N/A% 0 N/A%