I have been reading messages about processing. I saw a question about 1 computer running 2 projects at the same time. I have my preference set to run 2 cpus but I have never seen 2 projects going at one time, it is always 1 running and 1 in que on each of my 2 computers. Should I change my preference to 4 cpus? or is there something else going on?
Thanks, Doug vE

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Seti@Home Classic Work Units 413
Seti@Home Classic CPU time 3,869 hours

Doug

After you set the preferences in your account, did you update the Seti project inside BOINC?

Are you using your local preferences, perhaps? These override preferences set on the web site. Which BOINC version are you using?

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After you set the preferences in your account, did you update the Seti project inside BOINC?

Are you using your local preferences, perhaps? These override preferences set on the web site. Which BOINC version are you using?

I did reset my preferences. As far as I know I am using the latest version of BIONIC.

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Seti@Home Classic Work Units 413
Seti@Home Classic CPU time 3,869 hours

Doug

Are you attached to any other projects? Is the CPU taken up by another project's task perhaps?

What's the setting for your connect to server?
How high is your result duration correction factor? (you can check that in the list of computers attached to your account, hostID number, scroll down to the bottom.) Better give all the numbers there, for:

% of time BOINC client is running
While BOINC running, % of time work is allowed
Average CPU efficiency
Task duration correction factor

And check per computer what it says for amount of CPUs. Or exit BOINC and restart it, then post the first 20 or so lines from the messages tab.

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Are you attached to any other projects? Is the CPU taken up by another project's task perhaps?

What's the setting for your connect to server?
How high is your result duration correction factor? (you can check that in the list of computers attached to your account, hostID number, scroll down to the bottom.) Better give all the numbers there, for:

% of time BOINC client is running
While BOINC running, % of time work is allowed
Average CPU efficiency
Task duration correction factor

And check per computer what it says for amount of CPUs. Or exit BOINC and restart it, then post the first 20 or so lines from the messages tab.

I thank you for your response, however you have not answered anything. All you have me do is run around looking at my setings. Maybe I didn't ask the correct question. Everything you have asked is in order. Maybe I am looking for something that is not going to happen. I just wanted to make sure that I am crunching the most info I can for SETI in the most effiecent way. Maybe someone else out there has a different idea as to what is going on.

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Seti@Home Classic Work Units 413
Seti@Home Classic CPU time 3,869 hours

Doug

I thank you for your response, however you have not answered anything. All you have me do is run around looking at my setings. Maybe I didn't ask the correct question. Everything you have asked is in order. Maybe I am looking for something that is not going to happen. I just wanted to make sure that I am crunching the most info I can for SETI in the most effiecent way. Maybe someone else out there has a different idea as to what is going on.

He is asking you to check your settings as part of the troubleshooting process. There is no logical reason why you should only be running a single science app on a dual CPU machine unless there's something wrong with your settings. Ageless is simply trying to find out where the problem lies. It's the same thing any of us troubleshooters would do.

If you have BOINC set to use 2 CPUs, and your system recognizes both CPUs, then it should process two tasks in parallel. If you are only running one, that indicates a problem, and if you want to find the solution, we can help but only if you help us help you.

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Plus with your computers hidden, we can only get all the information from you.

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Plus with your computers hidden, we can only get all the information from you.

I opened it up. How many computers do you have running on seti. I see you have been on since 1999 and yet I have 3 times your numbers. If you are not running 2 or more computers with multiple cpus why are you answering this question?

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Seti@Home Classic Work Units 413
Seti@Home Classic CPU time 3,869 hours

Doug

How many computers do you have running on seti. I see you have been on since 1999 and yet I have 3 times your numbers. If you are not running 2 or more computers with multiple cpus why are you answering this question?

If you’re questioning Jord’s qualifications, you need look no farther than the link in his sig, or the posting history from his public account page. Be grateful, rather, to be getting help from one of the best-informed volunteers around, in any project … Neither high leaderboard position nor a large crunching “farm” equates to knowledge of BOINC’s workings, and vice versa.

Now that I’ve got that off my chest, let me join OzzFan in assuring you that if the BOINC client knows your host has two—or more, real or virtual—CPUs and believes it has permission to use them, it will process that many tasks simultaneously. And this setting certainly applies on a per-host basis: the total number of systems (or CPUs) in your user account is—or should be—quite irrelevant.

(In case you’re wondering, although I don’t know nearly as much about BOINC as Jord does, I do have more than two dual-CPU systems under my account, all of them crunching ‘with both barrels’.)

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How many computers do you have running on seti. I see you have been on since 1999 and yet I have 3 times your numbers. If you are not running 2 or more computers with multiple cpus why are you answering this question?

To answer your question anyway, I have one single CPU computer running BOINC on a variety of 35 projects, about half of the projects out there. I switch between them on a regular basis, not because I love the credits so much (for all I care they were taken away yesterday) but for the ability to help out where there are problems. It's easier to help people when I see what they see.

If you don't feel that I have enough experience based on my credit, I will gladly step aside and let someone else take over, who will still need the answers to the information I requested.

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First, you do not have to be running a dual CPU system to know how it works. Ageless knows well enough how the CPU scheduler works to attempt to answer this question.

With a setting of 2 or more allowed CPUs on a dual CPU system, the CPU scheduler should be running on 2 CPUs.

I owuld like to know what the contents of the lines <max_cpus>, <work_buf_min_days>, and <work_buf_additional_days> in BOTH the global_prefs.xml and the global_prefs_override.xml files is. You may or may not have a global_prefs_override.xml file.

Could you post some relevant messages from the messages tab?

I may ask you to turn on some debugging flags later if there is not sufficient information gathered here.

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BOINC WIKI

One thing I do see in your computers list, the benchmarks for your 4096100 host are a bit too low. You may want to run the benchmarks again on that machine, making sure that nothing else is taking up the CPU at that time. To rerun the benchmarks, open BOINC Manager, Advanced view, advanced menu, rerun CPU benchmarks.

And if you don't mind me asking again, please give the numbers for:
% of time BOINC client is running
While BOINC running, % of time work is allowed
Average CPU efficiency
Task duration correction factor
(Per computer, please)

At least both of your systems have BOINC recognize that you do have 2 CPUs. Both of them being Intel Core2Duo, I suspect they both do hyper-threading as well, so if you have that enabled (in the BIOS and the OS), you could set BOINC to run on 4 CPUs.

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At least both of your systems have BOINC recognize that you do have 2 CPUs. Both of them being Intel Core2Duo, I suspect they both do hyper-threading as well, so if you have that enabled (in the BIOS and the OS), you could set BOINC to run on 4 CPUs.

Intel's Core 2 series does not support Intel HyperThreading. The upcoming processor due out in '09 or '10 may support HT, but little is known so far.

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One thing I do see in your computers list, the benchmarks for your 4096100 host are a bit too low. You may want to run the benchmarks again on that machine, making sure that nothing else is taking up the CPU at that time. To rerun the benchmarks, open BOINC Manager, Advanced view, advanced menu, rerun CPU benchmarks.

And if you don't mind me asking again, please give the numbers for:
% of time BOINC client is running
While BOINC running, % of time work is allowed
Average CPU efficiency
Task duration correction factor
(Per computer, please)

At least both of your systems have BOINC recognize that you do have 2 CPUs. Both of them being Intel Core2Duo, I suspect they both do hyper-threading as well, so if you have that enabled (in the BIOS and the OS), you could set BOINC to run on 4 CPUs.

Last time contacted server 3 Mar 2008 16:06:42 UTC
% of time BOINC client is running 96.6288 %
While BOINC running, % of time work is allowed 99.9655 %
Average CPU efficiency 0.99149
Task duration correction factor 0.348116

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Seti@Home Classic Work Units 413
Seti@Home Classic CPU time 3,869 hours

Doug

One thing I do see in your computers list, the benchmarks for your 4096100 host are a bit too low. You may want to run the benchmarks again on that machine, making sure that nothing else is taking up the CPU at that time. To rerun the benchmarks, open BOINC Manager, Advanced view, advanced menu, rerun CPU benchmarks.

And if you don't mind me asking again, please give the numbers for:
% of time BOINC client is running
While BOINC running, % of time work is allowed
Average CPU efficiency
Task duration correction factor
(Per computer, please)

At least both of your systems have BOINC recognize that you do have 2 CPUs. Both of them being Intel Core2Duo, I suspect they both do hyper-threading as well, so if you have that enabled (in the BIOS and the OS), you could set BOINC to run on 4 CPUs.

I reran benchmarks on my computer and it says 1 cpu. How do I change that?

Last time contacted server 3 Mar 2008 16:06:42 UTC
% of time BOINC client is running 96.6288 %
While BOINC running, % of time work is allowed 99.9655 %
Average CPU efficiency 0.99149
Task duration correction factor 0.348116

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Seti@Home Classic Work Units 413
Seti@Home Classic CPU time 3,869 hours

Doug

One thing I do see in your computers list, the benchmarks for your 4096100 host are a bit too low. You may want to run the benchmarks again on that machine, making sure that nothing else is taking up the CPU at that time. To rerun the benchmarks, open BOINC Manager, Advanced view, advanced menu, rerun CPU benchmarks.

And if you don't mind me asking again, please give the numbers for:
% of time BOINC client is running
While BOINC running, % of time work is allowed
Average CPU efficiency
Task duration correction factor
(Per computer, please)

At least both of your systems have BOINC recognize that you do have 2 CPUs. Both of them being Intel Core2Duo, I suspect they both do hyper-threading as well, so if you have that enabled (in the BIOS and the OS), you could set BOINC to run on 4 CPUs.

I reran benchmarks on my computer and it says 1 cpu. How do I change that?

Last time contacted server 3 Mar 2008 16:06:42 UTC
% of time BOINC client is running 96.6288 %
While BOINC running, % of time work is allowed 99.9655 %
Average CPU efficiency 0.99149
Task duration correction factor 0.348116

Problem solved both computers are now running two projects at a time. Thanks for your help.

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Seti@Home Classic Work Units 413
Seti@Home Classic CPU time 3,869 hours

Doug

Intel's Core 2 series does not support Intel HyperThreading.

Ah thanks Charlie. I wasn't sure of that.

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Problem solved both computers are now running two projects at a time. Thanks for your help.

You're welcome. I guess rerunning the benchmarks and re-setting your CPU preferences to 2 worked? :-)

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on the simple view of the boinc client if there is 2 tasks listed does that mean i am running 2 workunits at the same time? and if it is, is there a way to get the boinc client to run seti and eintstein at the same time?

on the simple view of the boinc client if there is 2 tasks listed does that mean i am running 2 workunits at the same time? and if it is, is there a way to get the boinc client to run seti and eintstein at the same time?

Yes and no in that order.

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BOINC WIKI