It looks ok to me to be a preference setting.

What I am more concerned about are contributors that attached to the project 
once, edited their preferences to opt out an App they had problems with, and 
then forgot. They even run Clients too old to support notices.

Bernd



Jon Sonntag <[email protected]> schrieb:

If I choose to run only certain apps for a project and I choose not to
accept work from other apps when those apps cannot get work, I would be very
unhappy if the project ignored my preferences and decided I should run some
new app without my approval. I chose those preferences for a reason. If I
choose to run only 1 out of 5 apps on a project, I certainly don't want to
get app #6 automatically added when it is released. If I want it, I'll add
it to my preferences. If the project announces the new app and sends a
reminder (isn't that what the new notices are for?) to users to check their
preferences, that is all that is needed. It shouldn't be forced upon
anyone, especially those who chose specifically not to run all apps and not
to select work from any other apps when their selected apps are out of work.

Here's a real life example: PrimeGrid's LLR apps run very hot and, as such,
are sensitive to overclocking. In the past, they have caused a couple of my
"low profile case" machines that have very poor airflow to overheat. I
still want to contribute to PG, so I avoid all the LLR apps by deselecting
them in my project preferences. If your suggestion were implemented, then if
a new LLR app is released by PrimeGrid, I would get it added even though it
would crash my machines. That's certainly not something for which I'd vote.
I'd want PrimeGrid to honor my preferences and only send the apps I have
chosen. Period. That includes new apps.

Jon Sonntag

> -----Original Message-----
> From: [email protected] [mailto:boinc_dev-
> [email protected]] On Behalf Of Bernd Machenschalk
> Sent: Thursday, November 03, 2011 10:32 AM
> To: Peter Slacik
> Cc: BOINC Developers Mailing List
> Subject: Re: [boinc_dev] app selection problem
> 
> On 03.11.11 16:15, Peter Slacik wrote:
> > OK, my apology, you've got me. The majority of the projects actually
tell
> something different from what I wrote, e.g.:
> >
> > PrimeGrid project prefs
> (http://www.primegrid.com/prefs.php?subset=project&cols=0
> <http://www.primegrid.com/prefs.php?subset=project&cols=0>;):
> > "/Send work from any subproject if selected projects have no work/".
> >
> 
> "Subprojects" - OK, I now understand why occasionally people in our forums
> confuse apps and projects. Unfortunate wording IMHO.
> 
> > Collatz Conjecture prefs
> (http://boinc.thesonntags.com/collatz/prefs.php?subset=project): "/If no
> work for selected applications is available,
> > accept work from other applications?/"
> >
> 
> Both examples would behave differently from my original idea, and I'm not
> even sure this solves the original problem.
> 
> These _could_ mean that work is accepted for applications people
explicitly
> opted-out from (at the time of editing preferences), it doesn't say
anything
> about future apps. And these refer only to the situation when there is no
> work available for the selected applications.
> 
> If there really was a setting "Automatically send work for future
applications
> not yet mentioned here" I would probably like it (if the default is
"yes"). Any
> hints on implementing it to become a BOINC standard?
> 
> > I remember that at least the World Community Grid
> > (https://secure.worldcommunitygrid.org/ms/viewMyProjects.do) suports
> > the application opt-in, in addition to the previously mentioned task
> > opt-in: "/Please opt me in to new projects as they become available/",
> > but I suspect the preferences code has less in common with BOINC trunk
> > :-(
> 
> Literally nothing, that's their own custom code.
> 
> >> I still find it overly complicated for both the participant and the
> >> BOINC server to have yet another setting to cover this case which I
don't
> think is a special one, but if other projects got people used to that, I'd
give in
> and adopt it.
> > Personally I'm glad to have such explicit options. When I'm connecting
> > a recent "powerful" (and always-on) machine, and an old "weaky" (or
> > mostly
> > switched-off) machine, to the same project, I may allow the project to
> > send just any tasks to the former one, but have to carefully choose
> applications (according to their crunch time and deadline) to be sent to
the
> latter one - surely with no automatic opt-in.
> 
> Doesn't sound like the average participant, though.
> 
> Best,
> Bernd
> 
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