Diff Report
Run #52f5c520502f0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c574bebaf: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_substr

drupal_substrRun #52f5c520502f0Run #52f5c574bebafDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)101 100 -1 -1.0%
Incl. Wall Time (microsec) per call 7 7 -0 -1.0%
Excl. Wall Time (microsec)32 30 -2 -6.2%
Incl. CPU (microsecs)111 110 -1 -0.9%
Incl. CPU (microsecs) per call 8 8 -0 -0.9%
Excl. CPU (microsec)31 28 -3 -9.7%
Incl. MemUse (bytes)5,376 5,376 0 0.0%
Incl. MemUse (bytes) per call 384 384 0 0.0%
Excl. MemUse (bytes)1,088 1,088 0 0.0%
Incl. PeakMemUse (bytes)3,152 2,272 -880 -27.9%
Incl. PeakMemUse (bytes) per call 225 162 -63 -27.9%
Excl. PeakMemUse (bytes)968 848 -120 -12.4%

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 -4.3% -1 -1.1% 0 0.0% -880 -1.9%
Exclusive Metrics Diff for Current Function-2 -200.0% -3 -300.0% 0 N/A% -120 -13.6%
Parent function
file_create_url0 N/A% -1 -100.0% -1 -100.0% 0 N/A% -880 -100.0%
Child function
Drupal\Component\Utility\Unicode::substr0 N/A% 1 100.0% 2 200.0% 0 N/A% -760 -86.4%