On Mon, Sep 22 2014, Peter Münster wrote:

>> Could you use the native, sampling, profiler instead of ELP?
>>
>> - M-x profiler-start RET RET
>> - ... reproduce the slow operation ...
>> - M-x profiler-report RET
>> - C-u RET on the first entry to unfold it
>
> Yes. I'll do that in some days, when mapcar becomes slow again.

Hi,

Please find attached 2 files with profiler-reports when entering a Gnus
group:
- profiler-slow.txt: entering a group is slow, and emacs was uptime since
  about 3 days
- profiler-fast.txt: entering the same group after a fresh restart of emacs

-- 
           Peter