Diff Report
Run #5177365b0b425: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5177392a7fa3c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #5177365b0b425Run #5177392a7fa3cDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)210 169 -41 -19.5%
Incl. Wall Time (microsec) per call 70 56 -14 -19.5%
Excl. Wall Time (microsec)54 40 -14 -25.9%
Incl. CPU (microsecs)211 173 -38 -18.0%
Incl. CPU (microsecs) per call 70 58 -13 -18.0%
Excl. CPU (microsec)40 37 -3 -7.5%
Incl. MemUse (bytes)14,520 14,520 0 0.0%
Incl. MemUse (bytes) per call 4,840 4,840 0 0.0%
Excl. MemUse (bytes)2,568 2,568 0 0.0%
Incl. PeakMemUse (bytes)8,592 8,592 0 0.0%
Incl. PeakMemUse (bytes) per call 2,864 2,864 0 0.0%
Excl. PeakMemUse (bytes)1,240 1,240 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% -41 -0.1% -38 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-14 -34.1% -3 -7.9% 0 N/A% 0 N/A%
Parent function
call_user_func_array0 N/A% -41 -100.0% -38 -100.0% 0 N/A% 0 N/A%
Child functions
drupal_send_headers0 N/A% -24 -58.5% -25 -65.8% 0 N/A% 0 N/A%
drupal_static0 N/A% -7 -17.1% -9 -23.7% 0 N/A% 0 N/A%
_drupal_set_preferred_header_name0 N/A% 4 9.8% 2 5.3% 0 N/A% 0 N/A%
strtolower0 N/A% 0 0.0% -3 -7.9% 0 N/A% 0 N/A%