Diff Report
Run #51a188154f4e0: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a18906335b0: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for drupal_add_http_header

drupal_add_http_headerRun #51a188154f4e0Run #51a18906335b0DiffDiff%
Number of Function Calls1 2 1 100.0%
Incl. Wall Time (microsec)142 286 144 101.4%
Incl. Wall Time (microsec) per call 142 143 1 0.7%
Excl. Wall Time (microsec)26 49 23 88.5%
Incl. CPU (microsecs)0 4,001 4,001 N/A%
Incl. CPU (microsecs) per call 0 2,001 2,001 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)7,708 8,388 680 8.8%
Incl. MemUse (bytes) per call 7,708 4,194 -3,514 -45.6%
Excl. MemUse (bytes)1,224 1,740 516 42.2%
Incl. PeakMemUse (bytes)0 9,556 9,556 N/A%
Incl. PeakMemUse (bytes) per call 0 4,778 4,778 N/A%
Excl. PeakMemUse (bytes)0 1,236 1,236 N/A%

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_header1 20.0% 144 0.1% 4,001 5.3% 680 0.1% 9,556 1.5%
Exclusive Metrics Diff for Current Function23 16.0% 0 0.0% 516 75.9% 1,236 12.9%
Parent functions
template_preprocess_aggregator_page_rss1 100.0% 169 117.4% 4,001 100.0% 7,732 1137.1% 9,556 100.0%
theme_aggregator_page_rss-1 -100.0% -142 -98.6% 0 0.0% -7,708 -1133.5% 0 0.0%
call_user_func_array1 100.0% 117 81.2% 0 0.0% 656 96.5% 0 0.0%
Child functions
drupal_send_headers1 25.0% 80 55.6% 4,001 100.0% 80 11.8% 4,472 46.8%
_drupal_set_preferred_header_name1 25.0% 21 14.6% 0 0.0% 56 8.2% 1,100 11.5%
drupal_static1 25.0% 18 12.5% 0 0.0% 8 1.2% 2,364 24.7%
strtolower1 25.0% 2 1.4% 0 0.0% 20 2.9% 384 4.0%