[ESS] Slow help culprit found!

[Henning Redestig]

I am experiencing the same problem actually, on three different
computers with ESS from svn. Takes 4-5 sec even after the first time I
do C-c C-v.


2010/10/23 Martin Maechler <maechler at stat.math.ethz.ch>:
> On Sat, Oct 23, 2010 at 12:35, Vitaie S. <spinuvit.list at gmail.com> wrote:
>>
>> spinuvit.list at gmail.com (Vitalie S.) writes:
>>> The rationale of calling that function in `ess-find-help-file', is somewhat
>>> elusive to me:
>>>
>>> (ess-uniq-list (append (ess-g     et-help-files-list)
>>>                        (ess-get-help-aliases-list)
>>>                        (mapcar 'list
>>>                                (ess-get-object-list
>>>                                 ess-current-process-name))))
>>>
>>> It examines only *attached* packages, and thus, brings only duplication
>>> (anything else?) of already comprehensive (but efficient) `ess-get-object-list'.
>>> Moreover , `ess-get-help-aliases-list' does not cache anything and rereads all
>>> the RDS files each time one calls \C-c\C-v.
>>
>> Well, I see now (after removing ess-get-help-aliases-list) that there are topics
>> in help not associated with any object.
>
> well, of course,  that's why  this was a new *feature*  (in ESS 5.9.1
> which is a while old,
> why did nobody till now "complain" ?),  really quite important for
> consistent help page searching.
>
>> Then, maybe `ess-get-help-aliases-list' can be changed to cache the output, and
>> update only if search path was changed, akin to how `ess-get-object-list' works.
>
> Yes, that's a good idea,  ... patches are welcome  ;-)
> .. or another ESS core member has more time than I have currently ..
>
> Thanks for the feedback, Vitally!
> Martin
>>
>> Vitalie.
>>
>> ______________________________________________
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>> https://stat.ethz.ch/mailman/listinfo/ess-help
>>
>>
>
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>



-- 
/Henning Redestig

Metabolome Informatics Unit | Yokohama RIKEN Plant Science Center