Hi folks! I just tripped over AP WU 2027678046, which I was assigned to crunch. Those two identical intel GPUs trashed the WU for exactly the same reason and they also failed with several other WUs. Maybe developers should take a look.

Both of crashes occurred using the Intel GPU, in my experience that GPU does not do well with APs. In fact I have stopped using mine due to poor results and it seemed to slow the CPU down.

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Ditto

Since it seems we are close to getting data from Green Banks does anyone know if APs will be split off that data?

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Sadly I had to abort 8 AP tasks - rejoice those who picked em up - due to the 5 yr old laptop cpu fan screaming a painful death.

RIP Y560, you crunched a lot of data in your lifetime.

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Life's short; make fun of it.

Hi folks! I just tripped over AP WU 2027678046, which I was assigned to crunch. Those two identical intel GPUs trashed the WU for exactly the same reason and they also failed with several other WUs. Maybe developers should take a look.

Intel has a habit of releasing new drivers that do not work well for some BOINC projects. There are several older iGPU drives that are known to have issues with SETI@home & Einstein. So a driver issue could be one possible reason.

Both of those hosts are using HD 4600 iGPUs on Windows 10. One is an i5-4690K with driver 10.18.15.4256 the other is an i5-4570 with driver 20.19.15.4331. They both had an issue at the same spot for that WU. ### Restart at 44.14 percent.

You might want to save a copy of the wu file for the devs. They may want to have a look at why the app choked on that file.

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SETI@home classic workunits: 93,865 CPU time: 863,447 hours
Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[

I've crunched an AP task on a guest SuSE Linux 13.2 on a Windows 10 host with AMD-V enabled, via Virtual Box. Unfortunately, the guest does not recognize the CPU which is SSE3 capable, an AMD A10-6700 at 3.7 GHz, so it too a long time (233,865 s).
Tullio

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I'm getting a few for my CPU but a big fat 0 for the GPU.

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Almost no GPU tasks at all here...

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03 Feb 16 08:22:24 | SETI@home | This computer has reached a limit on tasks in progress

How is this possible when I currently 0 AP and 0 MB for my ATI GPU.

Keifer

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Getting the same message. Am only able to eek out a dozen or so MB's for my ATI at a time...

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Doesn't that message pop up when there is a large amount of VLARs being split?

Something about AP's has changed since V8 came out. Before when AP's were being split I could get enough AP's to keep the machines fully busy. And if it went on for many hours I could slowly build a cache. On the slower machines a full 100 AP's.

This last month and particularly this last run I could not even get enough to keep the machines busy. They would burn through the cache of MB's and AP's in a hour or two. Then starve for work.

Something has changed.


Herb

What has changed is that the rate of consumption of "tapes" by MB v8 is lower than that of v7. Thus the rate of "tapes" being loaded for splitting is lower, and so the rate of AP production is lower.

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Bob Smith
Member of Seti PIPPS (Pluto is a Planet Protest Society)
Somewhere in the (un)known Universe?

What has changed is that the rate of consumption of "tapes" by MB v8 is lower than that of v7. Thus the rate of "tapes" being loaded for splitting is lower, and so the rate of AP production is lower.

So there goes my attempt at being an AP only person which I had been since the move to the colo a few years ago.

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What has changed is that the rate of consumption of "tapes" by MB v8 is lower than that of v7. Thus the rate of "tapes" being loaded for splitting is lower, and so the rate of AP production is lower.

I think there are also more people that set their computers up to accept AP work when the opti v8 MB app was not ready, and they are still doing some AP now.
So when AP does split, there are more hungry mouths to feed.

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"Freedom is just Chaos, with better lighting." Alan Dean Foster

"Mmmmmmmmm,,,,,more mouths to feed......"

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"Sour Grapes make a bitter Whine." <(0)>

03 Feb 16 08:22:24 | SETI@home | This computer has reached a limit on tasks in progress

How is this possible when I currently 0 AP and 0 MB for my ATI GPU.

Keifer

Doesn't that message pop up when there is a large amount of VLARs being split?

I've only seen that "limit" message when I've had Errors or Invalids. When there are a lot of VLARs about, my GPU requests get the "no tasks available" message.

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Donald
Infernal Optimist / Submariner, retired

03 Feb 16 08:22:24 | SETI@home | This computer has reached a limit on tasks in progress

How is this possible when I currently 0 AP and 0 MB for my ATI GPU.

Keifer

Your machine has ~230 tasks in progress. Which tends to happen naturally from ghosts.

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SETI@home classic workunits: 93,865 CPU time: 863,447 hours
Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[

03 Feb 16 08:22:24 | SETI@home | This computer has reached a limit on tasks in progress

How is this possible when I currently 0 AP and 0 MB for my ATI GPU.

Keifer

Doesn't that message pop up when there is a large amount of VLARs being split?

I've only seen that "limit" message when I've had Errors or Invalids. When there are a lot of VLARs about, my GPU requests get the "no tasks available" message.

Are you referring to the message when errors drive down the Max tasks per day value? I thought that was something along the lines of "Your computer has reached its daily quota of tasks".

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SETI@home classic workunits: 93,865 CPU time: 863,447 hours
Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[

03 Feb 16 08:22:24 | SETI@home | This computer has reached a limit on tasks in progress

How is this possible when I currently 0 AP and 0 MB for my ATI GPU.

Keifer

Your machine has ~230 tasks in progress. Which tends to happen naturally from ghosts.

After having received that same server response several times (intermittently over a several day period) with 0 GPU tasks and ~30 MB CPU on board) I removed my app_config and reset the project, only then did I receive a full cash of both MB CPU/GPU tasks. Existing tasks were never resent but remain listed as "tasks in progress". I forgot about the resend part of the server being "shut off" from time to time...my bad on that. I understand how and why the rollout of v8 has caused AP bottleneck binging but not why ATI MB GPU tasks aren't getting thru when the SSP lists tens of thousands ready to disperse.

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