Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_send_headers

drupal_send_headersRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)608 87 -521 -85.7%
Incl. Wall Time (microsec) per call 203 29 -174 -85.7%
Excl. Wall Time (microsec)567 52 -515 -90.8%
Incl. CPU (microsecs)614 88 -526 -85.7%
Incl. CPU (microsecs) per call 205 29 -175 -85.7%
Excl. CPU (microsec)46 35 -11 -23.9%
Incl. MemUse (bytes)40,576 7,808 -32,768 -80.8%
Incl. MemUse (bytes) per call 13,525 2,603 -10,923 -80.8%
Excl. MemUse (bytes)-64 -64 0 0.0%
Incl. PeakMemUse (bytes)67,584 6,056 -61,528 -91.0%
Incl. PeakMemUse (bytes) per call 22,528 2,019 -20,509 -91.0%
Excl. PeakMemUse (bytes)384 2,296 1,912 497.9%

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_headers0 N/A% -521 -0.2% -526 -0.5% -32,768 -7.4% -61,528 -10.8%
Exclusive Metrics Diff for Current Function-515 -98.8% -11 -2.1% 0 0.0% 1,912 3.1%
Parent function
drupal_add_http_header0 N/A% -521 -100.0% -526 -100.0% -32,768 -100.0% -61,528 -100.0%
Child functions
drupal_get_http_header0 N/A% -4 -0.8% -521 -99.0% -32,768 -100.0% -65,168 -105.9%
drupal_static0 N/A% -1 -0.2% 0 0.0% 0 0.0% 0 0.0%
_drupal_set_preferred_header_name0 N/A% -1 -0.2% 0 0.0% 0 0.0% 528 0.9%
header0 N/A% 0 0.0% 2 0.4% 0 0.0% 592 1.0%
strtolower0 N/A% 0 0.0% 4 0.8% 0 0.0% 608 1.0%