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Profilemikey
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Message 59070 - Posted: 24 Jun 2013, 11:18:40 UTC - in response to Message 59063.  
Last modified: 24 Jun 2013, 11:19:16 UTC

I'm still having a problem on two of my three machines (ID: 518375 and ID: 518536). I have to keep hitting "update" every hour to get any new WU's and even then I only receive 5 or 6 which I burn right through. My global settings are all for 5 days + 1.

All of the machines are Linux/Nvidia/Boinc 7.1.18 and virtually identical.

Any suggestions would be appreciated.

Regards,
Steve


Are you using a cc_config file? If so they changed the name of the workunits and until you change your file it won't work!
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Message 59082 - Posted: 24 Jun 2013, 20:15:19 UTC - in response to Message 59070.  

I'm still having a problem on two of my three machines (ID: 518375 and ID: 518536). I have to keep hitting "update" every hour to get any new WU's and even then I only receive 5 or 6 which I burn right through. My global settings are all for 5 days + 1.

All of the machines are Linux/Nvidia/Boinc 7.1.18 and virtually identical.

Any suggestions would be appreciated.

Regards,
Steve


Are you using a cc_config file? If so they changed the name of the workunits and until you change your file it won't work!



Mikey,

I'm using the stock cc_config but there's no mention of apps. Don't you mean the app_config?

Here's what I'm using for the machines.

<app_config>
<app>
<name>milkyway</name>
<gpu_versions>
<gpu_usage>.5</gpu_usage>
<cpu_usage>.05</cpu_usage>
</gpu_versions>
</app>
<app>
<name>milkyway_separation__modified_fit</name>
<gpu_versions>
<gpu_usage>.2</gpu_usage>
<cpu_usage>.2</cpu_usage>
</gpu_versions>
</app>
</app_config>

Thanks for any help you can provide.

Regards,
Steve
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Profilemikey
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Message 59091 - Posted: 25 Jun 2013, 11:51:09 UTC - in response to Message 59082.  

I'm still having a problem on two of my three machines (ID: 518375 and ID: 518536). I have to keep hitting "update" every hour to get any new WU's and even then I only receive 5 or 6 which I burn right through. My global settings are all for 5 days + 1.

All of the machines are Linux/Nvidia/Boinc 7.1.18 and virtually identical.

Any suggestions would be appreciated.

Regards,
Steve


Are you using a cc_config file? If so they changed the name of the workunits and until you change your file it won't work!



Mikey,

I'm using the stock cc_config but there's no mention of apps. Don't you mean the app_config?

Here's what I'm using for the machines.

<app_config>
<app>
<name>milkyway</name>
<gpu_versions>
<gpu_usage>.5</gpu_usage>
<cpu_usage>.05</cpu_usage>
</gpu_versions>
</app>
<app>
<name>milkyway_separation__modified_fit</name>
<gpu_versions>
<gpu_usage>.2</gpu_usage>
<cpu_usage>.2</cpu_usage>
</gpu_versions>
</app>
</app_config>

Thanks for any help you can provide.

Regards,
Steve


You are using an app_config file, not a cc_config file, your list above shows that. But actually since you are getting some files then nothing is wrong with what you have, your problem, now that I reread it, is a lack of enough units, not lack of any units. And that I have no idea about, I just checked your pc's and all but one have a small cache of units on them.
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Message 59093 - Posted: 25 Jun 2013, 12:01:19 UTC - in response to Message 59091.  

[/quote]

You are using an app_config file, not a cc_config file, your list above shows that. But actually since you are getting some files then nothing is wrong with what you have, your problem, now that I reread it, is a lack of enough units, not lack of any units. And that I have no idea about, I just checked your pc's and all but one have a small cache of units on them.[/quote]

Mikey,

That's it exactly.

Although, now when I checked on startup this morning, the machine that was light now has a larger cache of WU's. Hopefully, it will increase further.

Regards,
Steve
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Message 59164 - Posted: 29 Jun 2013, 15:23:31 UTC

Well, II'm still having the problem in varying degees on all of my machines. Now on machine ID: 518884, when I hit "update" it says "no work sent, don't need it" even though I don't have any WU's at all.

On machine ID: 518375, I'm getting the same message even though I have only 1 task.

And on machine ID: 518536, I'm back to getting only a couple of tasks at a time, even though I only have about 7 in the cache.

In all cases, if I don't hit "update", they just sit on my machine until I do.

The only solution (and it's a temporary one at that) is to run down the cache, delete everything MilkyWay in the Boinc and Projects directories, re-start the service, re-start the client and hit "synchonize" (with BAM). That seems to get me a good fill but then things start to run down over time again.

Since Seti, Cosmology, and Einstein aren't having this problem, I don't think it's a BOINC problem.

I don't even have a clue as to what to try next.

Am I the only person still having this problem?

Regards,
Steve
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Message 59168 - Posted: 29 Jun 2013, 19:59:53 UTC - in response to Message 59164.  

I believe what you are seeing is the following:

1) The Milkway applications only allow a small number of tasks in progress.
2) Often a request for new tasks results in a no tasks available message.
3) The scheduler always tries to keep the cache full on the client.

As a result, when no tasks are available, the scheduler will fill the queue with tasks from the other projects, hence the don't need any message. On my systems this always results in Milkway getting swamped out by the other projects. My solution is to run each project solo. Einstein and Seti used to run fairly well together but, as the GPU apps have matured, even that is getting more complicated. One app seems to get preference over the other when running more than 1x.

Just some observations from my systems.
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Message 59169 - Posted: 29 Jun 2013, 20:09:14 UTC - in response to Message 59168.  

I believe what you are seeing is the following:

1) The Milkway applications only allow a small number of tasks in progress.
2) Often a request for new tasks results in a no tasks available message.
3) The scheduler always tries to keep the cache full on the client.

As a result, when no tasks are available, the scheduler will fill the queue with tasks from the other projects, hence the don't need any message. On my systems this always results in Milkway getting swamped out by the other projects. My solution is to run each project solo. Einstein and Seti used to run fairly well together but, as the GPU apps have matured, even that is getting more complicated. One app seems to get preference over the other when running more than 1x.

Just some observations from my systems.


Gary,

Thanks for your insights. It sounds like this will only get worse as projects add more GPU apps. It also sounds as if this is something that can only be fixed by the people at BOINC Central or MW Central, probably on the server side. It kind of sounds like we're beyond app_config.xml tweaks.

I had been thinking about adding a second graphics card to the machine with the Fermi 550TI but I'm now questioning if I should waste the money on what will be an underutilized card.

Thanks again for the feedback.

Regards,
Steve
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Message 59170 - Posted: 29 Jun 2013, 21:25:49 UTC - in response to Message 59063.  

I'm still having a problem on two of my three machines (ID: 518375 and ID: 518536). I have to keep hitting "update" every hour to get any new WU's and even then I only receive 5 or 6 which I burn right through. My global settings are all for 5 days + 1.



If it hasn't been suggested, try changing your cache settings to 5 days

+ max additional work buffer 0.01 . That way it will ask


for work more often.
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Message 59175 - Posted: 30 Jun 2013, 10:41:29 UTC - in response to Message 59170.  

I'm still having a problem on two of my three machines (ID: 518375 and ID: 518536). I have to keep hitting "update" every hour to get any new WU's and even then I only receive 5 or 6 which I burn right through. My global settings are all for 5 days + 1.



If it hasn't been suggested, try changing your cache settings to 5 days

+ max additional work buffer 0.01 . That way it will ask


for work more often.


Bif,

Thanks, my settings have been 5 days + 1 day. They just seem to be ignored. I'll try changing that second setting and see if it helps.

Regards,
Steve
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Message boards : Number crunching : MilkyWay not up loading new workunits

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