FB Challenge

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Profile Cruncher Pete

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Message 3848 - Posted: 30 May 2025, 0:04:00 UTC

I wonder if you were advised about the current FB Challenge.? I have been trying to get work for over an hour but no luck.
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UBT - wbiz

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Message 3849 - Posted: 30 May 2025, 4:20:27 UTC - in response to Message 3848.  
Last modified: 30 May 2025, 4:24:32 UTC

I wonder if you were advised about the current FB Challenge.? I have been trying to get work for over an hour but no luck.


Tim says he always informs the projects and server stats show plenty of tasks available.

I have had no problems getting CPU tasks for Windows(AMD and Intel) or Linux(Intel), I have not tried GPU tasks
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Profile Eric Driver
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Message 3851 - Posted: 30 May 2025, 5:14:55 UTC - in response to Message 3848.  

I wonder if you were advised about the current FB Challenge.? I have been trying to get work for over an hour but no luck.


Yes, I was informed by Tim. All of my hosts have been communicating with the project just fine, so I think it's something specific with your account or hosts.

Does the event log in the BOINC manager give any hints?
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Grant (SSSF)

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Message 3856 - Posted: 30 May 2025, 10:03:25 UTC - in response to Message 3848.  

I wonder if you were advised about the current FB Challenge.? I have been trying to get work for over an hour but no luck.
You have multiple systems that have work, and a couple that don't.
Check the Event log in those that don't have work for why not.


Oh, and your i7-14700F that has returned some work; i'd checkout what's going on with that system- taking 3 hours to do 1 hours work on the CPU indicates a massively overcommitted system.
Grant
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Profile Cruncher Pete

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Message 3862 - Posted: 31 May 2025, 0:17:58 UTC - in response to Message 3856.  

Thank you Grant for your help. I checked the manager, I could not find anything wrong. I reset all to default and am now getting work. It is frustrating when you can't find the reason.
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DKlimax

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Message 3863 - Posted: 1 Jun 2025, 6:18:21 UTC - in response to Message 3862.  

Thank you Grant for your help. I checked the manager, I could not find anything wrong. I reset all to default and am now getting work. It is frustrating when you can't find the reason.

I think you'd have to turn on some of lower-level log flags (dialog ''Event Log Diagnostic Flags'') to see reason for no WUs. Maybe sched_ops and work_fetch_debug would show something usefull.
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DKlimax

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Message 3864 - Posted: 1 Jun 2025, 6:22:57 UTC - in response to Message 3856.  

I wonder if you were advised about the current FB Challenge.? I have been trying to get work for over an hour but no luck.
You have multiple systems that have work, and a couple that don't.
Check the Event log in those that don't have work for why not.


Oh, and your i7-14700F that has returned some work; i'd checkout what's going on with that system- taking 3 hours to do 1 hours work on the CPU indicates a massively overcommitted system.

Most likely those will be E cores. (My goldmont plus have similar runtime https://numberfields.asu.edu/NumberFields/results.php?hostid=2860434&offset=0&show_names=0&state=4&appid=)
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Grant (SSSF)

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Message 3866 - Posted: 2 Jun 2025, 6:13:53 UTC - in response to Message 3864.  

I wonder if you were advised about the current FB Challenge.? I have been trying to get work for over an hour but no luck.
You have multiple systems that have work, and a couple that don't.
Check the Event log in those that don't have work for why not.


Oh, and your i7-14700F that has returned some work; i'd checkout what's going on with that system- taking 3 hours to do 1 hours work on the CPU indicates a massively overcommitted system.

Most likely those will be E cores. (My goldmont plus have similar runtime https://numberfields.asu.edu/NumberFields/results.php?hostid=2860434&offset=0&show_names=0&state=4&appid=)
The issue isn't the Runtime as such- it is the difference between the Runtime & the CPU time.

The system you linked to-
Run time 5 hours 10 min 33 sec
CPU time 5 hours  9 min 21 sec
One minutes difference over 5 hours, which shows that particular CPU core/thread isn't doing anything other than processing that Task. My second system has similar a difference between CPU & Run times. The one i'm using to type this response, it tends to have 3-5 minutes (depending on how much use i make of it at the time) between CPU & Runtime. Overnight when it's not being used, it's the same minute or less difference.
The problem system i was referring to had a CPU time of 1 hour, but the Run time was 3 hours. ie- it took 3 hours clock-on-the-wall-time to finish processing something that should have taken it only 1 hour.

Such a big difference in times over such a short time period shows that there were more things running on that system than there were available cores/threads.

eg A system with 10 cores/threads. All 10 cores/threads are processing BOINC CPU work. System is also processing multiple GPU Tasks using OpenCL (which requires CPU support. The more powerful the GPU, the more GPU support required). System is also processing work for Folding@home (which runs at a higher priority level than BOINC applications do), as well as trying to transcode videos.
So you have a system with 10 cores/threads, that's trying to run 16 or more applications all at the same time.
ie- an extremely over committed system.
Grant
Darwin NT, Australia.
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DKlimax

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Message 3869 - Posted: 4 Jun 2025, 12:33:13 UTC - in response to Message 3866.  
Last modified: 4 Jun 2025, 12:37:00 UTC

I misread problem. Anyway, I can't see his computers, but if he has GPU than it looks that CPU time is really only CPU time and time spent waiting on GPU is not counted.

See another of my tasks:
https://numberfields.asu.edu/NumberFields/result.php?resultid=258073459

BTW: I am showing all of my computers, so if in doubt you can check them all. :)
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Grant (SSSF)

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Message 3872 - Posted: 5 Jun 2025, 6:17:28 UTC - in response to Message 3869.  

I misread problem. Anyway, I can't see his computers, but if he has GPU than it looks that CPU time is really only CPU time and time spent waiting on GPU is not counted.
The times quoted were for CPU work, not GPU.
Grant
Darwin NT, Australia.
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