If I'm switching between applications every 60 minutes and BOINC manager is pre-empting the other project why does is matter what my resource share is. Why can't they all just be 100?

They certainly can be. The idea behind the resource share setting is just to give users the choice of how to allocate their donated time. Reasons to change the resource share from the default might include:

• to show your view of the relative value of the projects' scientific work
  
• to reflect how much you like the project in general
  
• to 'push' a project to meet a goal or milestone
  
• to treat a project as 'backup only' for when other work is unavailable
  
• to balance (or bias) the distribution of credit earned
  

It's entirely up to you, within the constraint (which the BOINC client will enforce) of giving each project sufficient resource share to meet its deadlines.

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the SDG app has a problem with checkpoints. If the processing of a result is interrupted it will usually come up invalid.

ooh, didn't know that, thanks :)

i suppose i didn't notice that much because my machines is always running BOINC, leave apps in memory, and are hardly ever rebooted, but i had a couple of invalid results in my list at SZTAKI, so thanks again :)

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Resource share is just a number. It tells the "work scheduler" you desired cpu time balance between projects. Mine are 30 seti and 10 the other 12 projects. It just means I want to run 3 more times the seti than any other ONE project. I could set it as 300/100/100/100 etc or 3/1/1/1 instead of 30/10/10/10, it would do the same thing.

Leaving application "in memory" is generally the best choice unless you have a decent reason not to. It's not just volatile ram, but swap space on the hard drive.

Some projects applications don't have "frequent" check pointing (writing computations to disk during a run), and if switched before a checkpoint, all the work done up to that point would be lost, and have to be redone. As far as I know Seti, LHC, and Einstein do have decent checkpointing, so you have little to fear.

I use 180 min switch time, just so most projects complete a wu before switching. But for the projects you've selected 60 is OK.

Okey Dokey.

I picked up two project that seem safe. LHC which I've suspended 'cause there's no work, and Einstein.

If I'm switching between applications every 60 minutes and BOINC manager is pre-empting the other project why does is matter what my resource share is. Why can't they all just be 100?

Considering the size of my machine (old and slow), and I don't have a lot of memory, should I leave applications in memory while pre-empted?

What would good reasons be to switch between applications other than every 60 minutes?

Thanks from this novice and I sure appreciate your help!

Dora

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for that class of PC i'd recommend SZTAKI Desktop Grid, [...]

One caveat: the SDG app has a problem with checkpoints. If the processing of a result is interrupted it will usually come up invalid. That means BOINC preferences must be set to keep apps in memory, which may slow an old system down if it's doing other things at the same time. Although the WUs are nice and small, I wouldn't recommend SDG for a system that gets rebooted frequently. OTOH the project admin is quite responsive; he's even hand-validated WUs that were granted zero credit for no good reason. And he's apparently working on the problems.

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Son Goku suggested I pick up another project?

Please take a look at my itty bitty machine and advise...

D

CPU type GenuineIntel
Pentium(r) II Processor
Number of CPUs 1
Operating System Microsoft Windows 98
SE, (04.10.2222.00)
Memory 119.46 MB
Cache 976.56 KB
Swap space 1928.53 MB
Total disk space 7.85 GB
Free Disk Space 4.37 GB
Measured floating point speed 287.53 million ops/sec
Measured integer speed 521.39 million ops/sec
Average upload rate Unknown
Average download rate Unknown
Average turnaround time 1.15 days
Maximum daily WU quota per CPU 100/day
Results 9
% of time BOINC client is running 97.4169 %
While BOINC running, % of time work is allowed 78.839 %
Average CPU efficiency 0.999786
Result duration correction factor 0.889474

Dora,
First for Seti, go to Crunch3r's Site scroll down to the windows section, read the instructions and download, Pentium1/2 MMX and compatible. It will speed up processing a lot, It will also cut claimed credits but with the median one chosen should not affect average granted to you. (If granted credits go too low, find Trux's Optimosed BOINC Client)

To try and overcome outages with Berkeley what is your connect to network setting. If you left it at the default 0.1 days this coud be raised to 2 or 3 days, this will increase the amount of work on your computer. The max is 10 days but don't go there.

As a reliable backup project try Einstein, and go to this Number Crunching Thread, akosf's Optimised applications read instructions in first post and then download latest 386 version. You do NOT want SSE versions.

If you want to put most of your work to Seti, and use Einstein as the reserve project then in Einstein go to 'Your Account', Einstein preferences and set resourse to 20 (default is 100). This will give 5 hours to Seti and 1 hr to Einstein.
This should be high enough so that Einstein does not go into Earliest Deadline First (EDF) mode. You can fine tune later.
At the moment Einstein is running Albert units and these are of 2 different lengths. The short ones take about 1/3 time of the longer ones.

Andy

Son Goku suggested I pick up another project?

Please take a look at my itty bitty machine and advise...

[snip]
Pentium(r) II Processor
[snip]

for that class of PC i'd recommend SZTAKI Desktop Grid, Rosetta@Home might be good, their new system allows you to specify how long a WU will run on any machine (default is 2 hours) so even old machines can still do some useful crunching, LHC@Home is normally good on older/slower PCs but they don't have any work at the moment (and haven't for quite a while, so don't expect any soon), possibly Einstein@Home with an optimised science application (but it requires extra work to install it, so maybe not, without the optimised app einstein will take quite a while)

one that might take too long for your liking is SIMAP, although it might still be OK on a Pentuim II, only way to find out is to try

hope that helps get you started in the right direction, more information can be found in the Wiki, giving details of system requirements, and estimates of how long WUs will take to process

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Son Goku suggested I pick up another project?

Please take a look at my itty bitty machine and advise...

D

CPU type GenuineIntel
Pentium(r) II Processor
Number of CPUs 1
Operating System Microsoft Windows 98
SE, (04.10.2222.00)
Memory 119.46 MB
Cache 976.56 KB
Swap space 1928.53 MB
Total disk space 7.85 GB
Free Disk Space 4.37 GB
Measured floating point speed 287.53 million ops/sec
Measured integer speed 521.39 million ops/sec
Average upload rate Unknown
Average download rate Unknown
Average turnaround time 1.15 days
Maximum daily WU quota per CPU 100/day
Results 9
% of time BOINC client is running 97.4169 %
While BOINC running, % of time work is allowed 78.839 %
Average CPU efficiency 0.999786
Result duration correction factor 0.889474

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Finally found out what Kinhull's Seti@home stamps are for.. So we can have our WUs POSTED to us during lengthy outages! ;)

:D genius!

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Welcome intyke1,
To add to what Son Goku said, you might approach Kinhull and buy some Intergalatic Postage Stamps LOL.

Andy

Finally found out what Kinhull's Seti@home stamps are for.. So we can have our WUs POSTED to us during lengthy outages! ;)

Probably find they go via Barnard's Star or worse! ;-)

Welcome intyke1,
To add to what Son Goku said, you might approach Kinhull and buy some Intergalatic Postage Stamps LOL.

Andy

Finally found out what Kinhull's Seti@home stamps are for.. So we can have our WUs POSTED to us during lengthy outages! ;)

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Actually, BOINC thrives on neglect. If you ignore it, it will basically do fine.

think of it like a cactus, if you over water it, it'll just die, but leave it alone and it'll be more than happy, one of the best plants in my opinion ;)


for anyone new to BOINC or SETI@Home, i strongly recommend having a good read through the BOINC Wiki that's plenty of information there to learn about how BOINC works, and lots of other related stuff too

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Hi

Im from hungary and im new to seti. I didnt know where to write my simply question about credits used in seti. Im sure a lot of poeople has asked this but i cant find the answre. What are seti credits good for? Can i use it to something, or something like that? Thanks for your help looking forward to your answer.

Welcome intyke1,
To add to what Son Goku said, you might approach Kinhull and buy some Intergalatic Postage Stamps LOL.

Andy

Thank you very much either for your greeting and the answer. bye

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Well, best option would have been to create another thread to ask; but basically they're a form of "compensation" for time donated to the project. They can serve a form of "bragging rights", and also become a matter of competition, as many teams/users try to out-due each other in terms of credits...

Beyond this, they don't have any practical use (aka they aren't a form of money or whatever), but do give people a means to "show off" their contributions.

Anyhow, hello, and welcome...

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Hi

Im from hungary and im new to seti. I didnt know where to write my simply question about credits used in seti. Im sure a lot of poeople has asked this but i cant find the answre. What are seti credits good for? Can i use it to something, or something like that? Thanks for your help looking forward to your answer.

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Okey Dokey...

Patience is necessary to be a successful BOINCer....

But I got in trouble last week and couldn't upload my WU which prevented me from starting a new one, so I just wanted to be sure...

Thanks. You guys are all super....

D

Just get another project, that will help with the outages...

Some of us just try to get things through when we're here, because some projects like CPDN that can take 1,800 hours or so on my A64 for coupled ocean are a pain if they go and we're not here. 100+ hours into a WU (don't want to think 1,000+ :D ), and it reports some glitch when one could have otherwise restored from backup, and then carried forward, is a pain...

Short of something like that, which recommends frequent backup/restores to get through such a long WU; several projects and you can just leave it...

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I was hoping to draw it to Berkeley's attention - not urgent or important, it would just be nice if the messages were consistent ;-)

If you check the server page now, that same message will be gone already. ;)

But hey, for some it'll be Wednesday when the backup takes place. OK, not 5pm UTC, but Wednesday none-the-less. :)

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It's an old notice. Check tomorrow... :)

You know it's an old notice, I know it's an old notice - but a new member might not.

I was hoping to draw it to Berkeley's attention - not urgent or important, it would just be nice if the messages were consistent ;-)

From the Server status page

Standing Outage Notice: Every Wednesday at 18:00 UTC ...

It's a left hand, right hand thing.

It's an old notice. Check tomorrow... :)

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