When is "one more project" one too many?

Message boards : Number crunching : When is "one more project" one too many?

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Zoomer30

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Message 42717 - Posted: 27 Jun 2007, 18:08:33 UTC

I am trying to find the correct mix of projects and also make sure I am letting my projects get good work done. Right now I am doing ClimatePrediction, Rosetta, Spinhedge, LHC@Home and World Comm Grid. I am thinking about starting Seti again.

The issue I have is this: Is there a point where your running so many projects that none are getting much done?
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Message 42719 - Posted: 27 Jun 2007, 18:13:01 UTC

I think it depends on how many computers you have :)
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Zoomer30

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Message 42720 - Posted: 27 Jun 2007, 18:19:37 UTC

Uh let me check here....ok 1....carry the 1....Uh...I have 1 :)

Next year I hope to have 2 (the new one WILL be multicore, so that will be like 2 PCs in one).
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The_Bad_Penguin
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Message 42721 - Posted: 27 Jun 2007, 18:21:17 UTC
Last modified: 27 Jun 2007, 18:33:24 UTC

I also factor in how much "horsepower" a potential additional project already has.

i.e., if it currently ranks within the top 3 in terms of BOINC RAC, then I figure it already has most of what it needs or can realistically expect within a volunteer DC framework, and therefore I look towards other projects where my contribution would have more "bang for the buck".....
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Zoomer30

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Message 42722 - Posted: 27 Jun 2007, 18:26:26 UTC - in response to Message 42721.  

Seti has been around since day one (I think it was the FIRST DC application) so it must be pretty much full. I may just stick with what I have and add more when i get a new PC.
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Message 42723 - Posted: 27 Jun 2007, 18:29:40 UTC
Last modified: 27 Jun 2007, 18:35:10 UTC

Well 1 or more ;) this is how I see things.

I "like" to understand how the projects I run works.

In my case I run 4 projects and feel like that is enough to keep up with.

Anders n
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Message 42724 - Posted: 27 Jun 2007, 18:54:50 UTC
Last modified: 27 Jun 2007, 18:55:02 UTC

The other approach to take is to look at the outcome the projects are working toward and decide which is most in-line with your liking.

Would you rather know that somewhere out there exists an E.T.? Or how to design a cure for a future virus that threatens to cause an epidemic in the human population?

With that in mind, I had been crunching climate and Einstein and prediction, then Rosetta came online and I decided to concentrate on helping reinvent bioscience as we know it today by crunching Rosetta (and Ralph) exclusively.

...another approach would be to crunch for a single project for a month or so at a time and just manually set which one allows new work. Or manually set which one has a resource share greater then one (thus allowing the others to grab a task if your primary project is unable to give more tasks for some reason).
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Message 42725 - Posted: 27 Jun 2007, 19:23:07 UTC

... or you do it like me: one slow cruncher and many projects. BOINC sorts it out anyway and until next year, I'll have to stick to my laptop.
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Message 42740 - Posted: 27 Jun 2007, 22:30:10 UTC - in response to Message 42725.  
Last modified: 27 Jun 2007, 22:33:13 UTC

... or you do it like me: one slow cruncher and many projects. BOINC sorts it out anyway and until next year, I'll have to stick to my laptop.

That's what I do too. The client may not have work from all projects at one time but it will get tasks back in time to be usefull to the project. When you first start up a client it may get too much work, but once that initial overload is processed it will work things out better.

edit: if you look at my sig any project with more than about 70 RAC is on most/all of my hosts. My test hosts have more than 30 projects attached.
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Message 42746 - Posted: 28 Jun 2007, 1:25:01 UTC - in response to Message 42724.  

The other approach to take is to look at the outcome the projects are working toward and decide which is most in-line with your liking.


This is similar to my own philosophy. I have a dual Xeon, hyperthreaded, so that looks like it has 4 CPUs. I allocate 2 threads to Rosetta as some of the diseases are personal to me. I keep one thread on SETI for old time's sake, and when I could not get any SETI or Rosetta work a while back, I added Einstein for the fourth thread (in place of SETI) as it was also an astronomy search. YMMV of course.

== Bill
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Zoomer30

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Message 42747 - Posted: 28 Jun 2007, 2:24:46 UTC
Last modified: 28 Jun 2007, 2:25:42 UTC

I did that with Rosetta for a few weeks and then when I started CP up again (I had told it to SUSPEND) then I stopped getting Rosetta WUs. Something to do with the debts and all that. I finally had to reset the debt doc just to get Boinc to work the way I like again.

I like the bio-science the best I think. Seti is cool and all but the chances of it making a difference are slim (more then likly it would take us 40 years or more to say HELLO to each other any way).

I sometimes think it would cool if there were other advanced civs near us, then again I think it would be not so cool, since you have to figure we would be ants to their big fly swatter :)

I also run Folding@Home on my PS3. I really have to cut down though. I dont feel good about running this stuff and having the air off when I am at work, but last month I left the air on a lot and I used over 1110 Kwh of power XD Ouch!

The winter will be a different tune. Its cheaper to run the PS3 and the PC 24/7 and it keeps the apartment warm, rather then use the electric heat :)
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Zoomer30

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Message 43042 - Posted: 2 Jul 2007, 18:15:02 UTC

wee making 300pts a day ave.
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soriak

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Message 43054 - Posted: 2 Jul 2007, 19:55:36 UTC

I try to only crunch one project at a time, but that does make it hard to decide which one to support. I figure the best use of resources is to optimize current applications, so that they can run actual science stuff in a reasonable time frame later on with faster computers. (like what Rosetta is doing)

Another project with that aim would be QMC@Home, which tries to improve the application of Quantum Monte Carlo in quantum chemistry. (I hope that's right... been a while since I checked up with them)
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Message 43074 - Posted: 3 Jul 2007, 2:33:30 UTC

Hm. with only 1 PC/CPU I wouldnt start that many projects at the same time, and for sure not climateprediction.
But at the end of the day it all comes down to what you personaly favorize ;)
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Message 43096 - Posted: 3 Jul 2007, 13:57:35 UTC

Climate can actually make a good fall-back for times when other projects are unable to send work. But if your sense of accomplishment is counting in WUs, it will definately not be as rewarding :)
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Message boards : Number crunching : When is "one more project" one too many?



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