Diff Report
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Symfony\Component\HttpFoundation\Response::sendHeaders

Symfony\Component\HttpFoundation\Response::sendHeadersRun #539201f8938f4Run #5392041970f3fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)119 120 1 0.8%
Incl. Wall Time (microsec) per call 119 120 1 0.8%
Excl. Wall Time (microsec)68 69 1 1.5%
Incl. CPU (microsecs)122 123 1 0.8%
Incl. CPU (microsecs) per call 122 123 1 0.8%
Excl. CPU (microsec)48 49 1 2.1%
Incl. MemUse (bytes)6,368 6,384 16 0.3%
Incl. MemUse (bytes) per call 6,368 6,384 16 0.3%
Excl. MemUse (bytes)452 452 0 0.0%
Incl. PeakMemUse (bytes)2,140 2,000 -140 -6.5%
Incl. PeakMemUse (bytes) per call 2,140 2,000 -140 -6.5%
Excl. PeakMemUse (bytes)1,020 864 -156 -15.3%

Parent/Child Regression/Improvement report for Symfony\Component\HttpFoundation\Response::sendHeaders [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
Symfony\Component\HttpFoundation\Response::sendHeaders0 N/A% 1 0.1% 1 0.0% 16 0.0% -140 -0.2%
Exclusive Metrics Diff for Current Function1 100.0% 1 100.0% 0 0.0% -156 -111.4%
Parent function
Symfony\Component\HttpFoundation\Response::send0 N/A% 1 100.0% 1 100.0% 16 100.0% -140 -100.0%
Child functions
Symfony\Component\HttpFoundation\ResponseHeaderBag::getCookies0 N/A% 0 0.0% -3 -300.0% 4 25.0% 16 11.4%
Symfony\Component\HttpFoundation\ResponseHeaderBag::allPreserveCase0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
header0 N/A% 0 0.0% 1 100.0% 12 75.0% 0 0.0%
sprintf0 N/A% 0 0.0% 1 100.0% 0 0.0% 0 0.0%
headers_sent0 N/A% 0 0.0% 1 100.0% 0 0.0% 0 0.0%