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_send_headers

drupal_send_headersRun #51a188154f4e0Run #51a18906335b0DiffDiff%
Number of Function Calls1 2 1 100.0%
Incl. Wall Time (microsec)85 165 80 94.1%
Incl. Wall Time (microsec) per call 85 83 -3 -2.9%
Excl. Wall Time (microsec)36 68 32 88.9%
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)4,292 4,372 80 1.9%
Incl. MemUse (bytes) per call 4,292 2,186 -2,106 -49.1%
Excl. MemUse (bytes)880 396 -484 -55.0%
Incl. PeakMemUse (bytes)0 4,472 4,472 N/A%
Incl. PeakMemUse (bytes) per call 0 2,236 2,236 N/A%
Excl. PeakMemUse (bytes)0 1,368 1,368 N/A%

Parent/Child Regression/Improvement report for drupal_send_headers [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_send_headers1 16.7% 80 0.1% 4,001 5.3% 80 0.0% 4,472 0.7%
Exclusive Metrics Diff for Current Function32 40.0% 0 0.0% -484 -605.0% 1,368 30.6%
Parent function
drupal_add_http_header1 100.0% 80 100.0% 4,001 100.0% 80 100.0% 4,472 100.0%
Child functions
drupal_get_http_header1 20.0% 20 25.0% 0 0.0% 232 290.0% 1,164 26.0%
drupal_static1 20.0% 15 18.8% 4,001 100.0% 0 0.0% 628 14.0%
header1 20.0% 8 10.0% 0 0.0% 80 100.0% 344 7.7%
_drupal_set_preferred_header_name1 20.0% 4 5.0% 0 0.0% 232 290.0% 520 11.6%
strtolower1 20.0% 1 1.2% 0 0.0% 20 25.0% 448 10.0%