Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45a7cd8f5: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #519d44ffb3845Run #519d45a7cd8f5DiffDiff%
Number of Function Calls26 26 0 0.0%
Incl. Wall Time (microsec)400 407 7 1.8%
Incl. Wall Time (microsec) per call 15 16 0 1.7%
Excl. Wall Time (microsec)118 122 4 3.4%
Incl. CPU (microsecs)429 430 1 0.2%
Incl. CPU (microsecs) per call 17 17 0 0.2%
Excl. CPU (microsec)120 118 -2 -1.7%
Incl. MemUse (bytes)2,160 2,160 0 0.0%
Incl. MemUse (bytes) per call 83 83 0 0.0%
Excl. MemUse (bytes)572 572 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% 7 0.3% 1 0.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 57.1% -2 -200.0% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% 7 100.0% 1 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% 3 42.9% 3 300.0% 0 N/A% 0 N/A%