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_add_http_header

drupal_add_http_headerRun #52f5c520502f0Run #52f5c574bebafDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)28 23 -5 -17.9%
Incl. Wall Time (microsec) per call 28 23 -5 -17.9%
Excl. Wall Time (microsec)11 9 -2 -18.2%
Incl. CPU (microsecs)29 24 -5 -17.2%
Incl. CPU (microsecs) per call 29 24 -5 -17.2%
Excl. CPU (microsec)6 8 2 33.3%
Incl. MemUse (bytes)6,056 6,056 0 0.0%
Incl. MemUse (bytes) per call 6,056 6,056 0 0.0%
Excl. MemUse (bytes)2,024 2,024 0 0.0%
Incl. PeakMemUse (bytes)4,072 4,192 120 2.9%
Incl. PeakMemUse (bytes) per call 4,072 4,192 120 2.9%
Excl. PeakMemUse (bytes)1,416 1,416 0 0.0%

Parent/Child Regression/Improvement report for drupal_add_http_header [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_add_http_header0 N/A% -5 -21.7% -5 -5.4% 0 0.0% 120 0.3%
Exclusive Metrics Diff for Current Function-2 -40.0% 2 40.0% 0 N/A% 0 0.0%
Parent function
call_user_func_array@10 N/A% -5 -100.0% -5 -100.0% 0 N/A% 120 100.0%
Child functions
drupal_static0 N/A% -3 -60.0% -3 -60.0% 0 N/A% 120 100.0%
_drupal_set_preferred_header_name0 N/A% 0 0.0% -1 -20.0% 0 N/A% 0 0.0%
strtolower0 N/A% 0 0.0% -3 -60.0% 0 N/A% 0 0.0%