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Topic: ATI AP stops NVIDIA/CPU from getting WUs? (Read 1923 times)
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Frizz
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I have a host with a GT240 (for CUDA MB), a HD5770 (ATI Astropulse) (and of course a CPU  ) Last week I ran dry of CUDA and CPU tasks. All I had was shitloads of ATI AP tasks. So I detached and re-attached to SETI. First thing after I attached was I got 61 AP units at once. An hour later some CUDA and CPU tasks. To prepare for the outage I wanted to get some more units (pressed update several times with automated script). But all I got was even more ATI AP units. No more CUDA/CPU units. Has someone experienced a similar problem? What to do? [EDIT]: As a little workaround a rescheduled all CPU units to GPU, hoping to get some new CPU units in - and then reschedule them back to GPU. Just to be prepared for the outage. Works - sort of. But pain in the ass to manually mess around. |
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« Last Edit: 17 Aug 2010, 05:16:39 am by Frizz23 »
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Ghost0210
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Frizz
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Not really. My WUs do crunch on the GT240 - I just don't get new CUDA WUs in. |
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Ghost0210
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is Boinc asking for CUDA/CPU work or does it think that it has a full cache? If you have <work_fetch_debug>1</work_fetch_debug> set in your cc_config you should be able to see exactly how much and of what type of work it is requesting when you do an update. I get an output like this: 17/08/2010 10:24:57 | | [work_fetch] Request work fetch: project updated by user
17/08/2010 10:24:59 | SETI@home | [work_fetch] request: 0.00 sec CPU (0.00 sec, 0.00) NVIDIA GPU (0.00 sec, 0.00) ATI GPU (0.00 sec, 0.00)
17/08/2010 10:24:59 | SETI@home | Sending scheduler request: Requested by user.
17/08/2010 10:24:59 | SETI@home | Reporting 1 completed tasks, not requesting new tasks
17/08/2010 10:25:06 | SETI@home | Scheduler request completed
(have a full 4 day cache at the moment so not requesting any further work) |
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« Last Edit: 17 Aug 2010, 05:34:53 am by Ghost »
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Frizz
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is Boinc asking for CUDA/CPU work or does it think that it has a full cache?
If you have <work_fetch_debug>1</work_fetch_debug> set in your cc_config you should be able to see exactly how much and of what type of work it is requesting when you do an update. I get an output like this:
Thanks for this info. I enabled debugging. This is what I got: 8/17/2010 11:34:21 AM [wfd] ------- start work fetch state -------
8/17/2010 11:34:21 AM [wfd] target work buffer: 864.00 + 864000.00 sec
8/17/2010 11:34:21 AM [wfd] CPU: shortfall 1353069.72 nidle 0.00 saturated 521306.41 busy 84105.23 RS fetchable 100.00 runnable 100.00
8/17/2010 11:34:21 AM SETI@home [wfd] CPU: fetch share 1.00 LTD 0.00 backoff dt 0.00 int 0.00
8/17/2010 11:34:21 AM [wfd] NVIDIA GPU: shortfall 0.00 nidle 0.00 saturated 4914687.81 busy 4421754.51 RS fetchable 100.00 runnable 100.00
8/17/2010 11:34:21 AM SETI@home [wfd] NVIDIA GPU: fetch share 1.00 LTD 0.00 backoff dt 0.00 int 0.00
8/17/2010 11:34:21 AM [wfd] ATI GPU: shortfall 0.00 nidle 0.00 saturated 1040283.39 busy 1040283.39 RS fetchable 100.00 runnable 100.00
8/17/2010 11:34:21 AM SETI@home [wfd] ATI GPU: fetch share 1.00 LTD 0.00 backoff dt 0.00 int 0.00
8/17/2010 11:34:21 AM SETI@home [wfd] overall LTD -66624275.39
8/17/2010 11:34:21 AM [wfd] ------- end work fetch state -------
8/17/2010 11:34:21 AM SETI@home [wfd] request: 1353069.72 sec CPU (1353069.72 sec, 0.00) NVIDIA GPU (0.00 sec, 0.00) ATI GPU (0.00 sec, 0.00)
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Richard Haselgrove
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These are the important bits:
NVIDIA GPU: shortfall 0.00
ATI GPU: shortfall 0.00
You've got enough for the GPUs - doesn't need any more.
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Frizz
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These are the important bits:
NVIDIA GPU: shortfall 0.00
ATI GPU: shortfall 0.00
You've got enough for the GPUs - doesn't need any more.
I see. This logging would have been interesting last week when I had ZERO tasks for CUDA and ZERO tasks for CPU left - and still had this "not requesting new work" messages in the log. |
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