Diff Report
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519ac1c42d00d: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #519abf80bb905Run #519ac1c42d00dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)156 142 -14 -9.0%
Incl. Wall Time (microsec) per call 156 142 -14 -9.0%
Excl. Wall Time (microsec)28 27 -1 -3.6%
Incl. CPU (microsecs)162 145 -17 -10.5%
Incl. CPU (microsecs) per call 162 145 -17 -10.5%
Excl. CPU (microsec)24 23 -1 -4.2%
Incl. MemUse (bytes)13,888 13,888 0 0.0%
Incl. MemUse (bytes) per call 13,888 13,888 0 0.0%
Excl. MemUse (bytes)2,272 2,272 0 0.0%
Incl. PeakMemUse (bytes)5,352 0 -5,352 -100.0%
Incl. PeakMemUse (bytes) per call 5,352 0 -5,352 -100.0%
Excl. PeakMemUse (bytes)264 0 -264 -100.0%

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% -14 -0.1% -17 -0.1% 0 0.0% -5,352 -0.4%
Exclusive Metrics Diff for Current Function-1 -7.1% -1 -5.9% 0 N/A% -264 -4.9%
Parent functions
call_user_func_array@1-1 N/A% -156 -1114.3% -162 -952.9% -13,888 N/A% -5,352 -100.0%
call_user_func_array1 N/A% 142 1014.3% 145 852.9% 13,888 N/A% 0 0.0%
Child functions
drupal_static0 N/A% -8 -57.1% -8 -47.1% 0 N/A% -1,768 -33.0%
drupal_send_headers0 N/A% -5 -35.7% -6 -35.3% 0 N/A% -2,872 -53.7%
strtolower0 N/A% -1 -7.1% -2 -11.8% 0 N/A% 0 0.0%
_drupal_set_preferred_header_name0 N/A% 1 7.1% 0 0.0% 0 N/A% -448 -8.4%