Diff Report
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for drupal_send_headers

drupal_send_headersRun #517c76da9b0d3Run #517c75d3de7c7DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)84 604 520 619.0%
Incl. Wall Time (microsec) per call 28 201 173 619.0%
Excl. Wall Time (microsec)49 563 514 1049.0%
Incl. CPU (microsecs)85 607 522 614.1%
Incl. CPU (microsecs) per call 28 202 174 614.1%
Excl. CPU (microsec)37 36 -1 -2.7%
Incl. MemUse (bytes)7,808 40,576 32,768 419.7%
Incl. MemUse (bytes) per call 2,603 13,525 10,923 419.7%
Excl. MemUse (bytes)-64 -64 0 0.0%
Incl. PeakMemUse (bytes)5,904 67,584 61,680 1044.7%
Incl. PeakMemUse (bytes) per call 1,968 22,528 20,560 1044.7%
Excl. PeakMemUse (bytes)2,200 384 -1,816 -82.5%

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% 520 0.2% 522 0.5% 32,768 13.5% 61,680 17.5%
Exclusive Metrics Diff for Current Function514 98.8% -1 -0.2% 0 0.0% -1,816 -2.9%
Parent function
drupal_add_http_header0 N/A% 520 100.0% 522 100.0% 32,768 100.0% 61,680 100.0%
Child functions
drupal_get_http_header0 N/A% 5 1.0% 522 100.0% 32,768 100.0% 65,168 105.7%
_drupal_set_preferred_header_name0 N/A% 1 0.2% 2 0.4% 0 0.0% -528 -0.9%
header0 N/A% 0 0.0% -2 -0.4% 0 0.0% -536 -0.9%
strtolower0 N/A% 0 0.0% 0 0.0% 0 0.0% -608 -1.0%
drupal_static0 N/A% 0 0.0% 1 0.2% 0 0.0% 0 0.0%