Diff Report
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff79b9e81a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #519ff693b4ca2Run #519ff79b9e81aDiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)129 128 -1 -0.8%
Incl. Wall Time (microsec) per call 14 14 -0 -0.8%
Excl. Wall Time (microsec)34 35 1 2.9%
Incl. CPU (microsecs)138 134 -4 -2.9%
Incl. CPU (microsecs) per call 15 15 -0 -2.9%
Excl. CPU (microsec)32 27 -5 -15.6%
Incl. MemUse (bytes)4,976 4,976 0 0.0%
Incl. MemUse (bytes) per call 553 553 0 0.0%
Excl. MemUse (bytes)1,088 1,088 0 0.0%
Incl. PeakMemUse (bytes)3,008 3,008 0 0.0%
Incl. PeakMemUse (bytes) per call 334 334 0 0.0%
Excl. PeakMemUse (bytes)848 848 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% -1 -0.2% -4 -0.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 100.0% -5 -125.0% 0 N/A% 0 N/A%
Parent function
file_create_url0 N/A% -1 -100.0% -4 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% -2 -200.0% 1 25.0% 0 N/A% 0 N/A%