Anything relating to AstroPulse tasks

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Message 1766573 - Posted: 20 Feb 2016, 22:27:25 UTC - in response to Message 1765835.  


2) The source for the special version of CUDA MB is in the svn. This thread is for AP.

You almost certainly correct this thread has got slightly off topic, I would however be interested to know what cards these run on & if I qualify with a 970 can I get a copy to try? I have no idea how to compile code.

I only managed to get a handful of tasks from the latest AP run
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Message 1766615 - Posted: 21 Feb 2016, 2:09:29 UTC - in response to Message 1766573.  

Other priorities on a long list myself at the moment, but it'll happen all in time :) (That's what it's there for)

So back to the thread topic of AP :)
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Message 1766738 - Posted: 21 Feb 2016, 19:07:42 UTC

I have 38 AP's across 4 machines, but I accept any kind of work.
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Message 1768829 - Posted: 1 Mar 2016, 15:57:15 UTC

The last run did not last very long, a large number of channels just evaporated. Does anybody have an idea what happened?
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Message 1768830 - Posted: 1 Mar 2016, 16:03:06 UTC - in response to Message 1768829.  

Yeah, I went to bed and there were 170+ channels and then zilch when I woke up. I presume something happened to the splitters.
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Message 1768840 - Posted: 1 Mar 2016, 16:49:20 UTC - in response to Message 1768830.  

Yeah, I went to bed and there were 170+ channels and then zilch when I woke up. I presume something happened to the splitters.

170 channels only comes to about 75000 AP. Which looks to be about the amount the out in the field went up.
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Message 1768841 - Posted: 1 Mar 2016, 17:01:11 UTC - in response to Message 1768840.  

True, that's just one of the fastest times its burned through that many tapes. It only took it like 6 hours. Normally would have taken twice that long (purely estimating, no imperial data to support that other than my gut and its mainly just hungry right now lol).
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Message 1768844 - Posted: 1 Mar 2016, 21:58:17 UTC - in response to Message 1768841.  

True, that's just one of the fastest times its burned through that many tapes. It only took it like 6 hours. Normally would have taken twice that long (purely estimating, no imperial data to support that other than my gut and its mainly just hungry right now lol).

Looking at the Haveland graphs it looks about the same as normal to me. Could be the lack of AP in your diet getting to your head :P
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Message 1768846 - Posted: 1 Mar 2016, 22:02:31 UTC - in response to Message 1768844.  

Hal I agree with Chris there were over 200 channels to go when I went to bed last night and they were gone by 4:30 AM PST.
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Message 1768855 - Posted: 1 Mar 2016, 22:14:56 UTC - in response to Message 1768844.  

True, that's just one of the fastest times its burned through that many tapes. It only took it like 6 hours. Normally would have taken twice that long (purely estimating, no imperial data to support that other than my gut and its mainly just hungry right now lol).

Looking at the Haveland graphs it looks about the same as normal to me. Could be the lack of AP in your diet getting to your head :P


Quite possibly, its the only thing my AMD cards really shine with, so I get grumpy when I don't feel like I get my share lol.

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Message 1768857 - Posted: 1 Mar 2016, 22:19:11 UTC - in response to Message 1768846.  

Hal I agree with Chris there were over 200 channels to go when I went to bed last night and they were gone by 4:30 AM PST.

Ah. Possibly only the data sets that have not been processed by AP were actually split. With the remaining channels simply being skipped over.
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Message 1769099 - Posted: 3 Mar 2016, 0:18:24 UTC

I think they evaporate quicker than usual, too, because of idle GPUs since there still isn't a...... what is it, 64-bit Linux CUDA app for MBv8? I know there was one app that hasn't been made yet and apparently it's a fairly popular one, so with a bunch of idle GPUs, once AP splitting happens, they tend to get sucked-up by those idle GPUs faster than usual.

I know I've been having less luck with building a cache the past 10 or so AP runs, but thankfully, I've managed to either get lucky, or chip away at babysitting the cache settings to ask for less than 200,000 seconds of work, and managed to get a reasonable cache for my main cruncher. Depending on blanking, it's about 8 days. Can't really complain.
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Message 1769105 - Posted: 3 Mar 2016, 0:54:40 UTC - in response to Message 1769099.  

I think they evaporate quicker than usual, too, because of idle GPUs since there still isn't a...... what is it, 64-bit Linux CUDA app for MBv8? I know there was one app that hasn't been made yet and apparently it's a fairly popular one, so with a bunch of idle GPUs, once AP splitting happens, they tend to get sucked-up by those idle GPUs faster than usual.


I am not sure you can blame the entire lack of downloaded APs to crunchers who are not yet using a Linux/Nvidia app for V8MBs. I went a month without such an app and I do not think I received any more APs during that period than I did when I was running a V7 app before or a V8 app after - not that it wouldn't have been nice :).
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Message 1769136 - Posted: 3 Mar 2016, 5:09:44 UTC - in response to Message 1769105.  

I think they evaporate quicker than usual, too, because of idle GPUs since there still isn't a...... what is it, 64-bit Linux CUDA app for MBv8? I know there was one app that hasn't been made yet and apparently it's a fairly popular one, so with a bunch of idle GPUs, once AP splitting happens, they tend to get sucked-up by those idle GPUs faster than usual.


I am not sure you can blame the entire lack of downloaded APs to crunchers who are not yet using a Linux/Nvidia app for V8MBs. I went a month without such an app and I do not think I received any more APs during that period than I did when I was running a V7 app before or a V8 app after - not that it wouldn't have been nice :).

I think it's slightly more complex than "not getting any more than usual." I think what is mostly driving it is.. when you have all the apps you need for the hardware and environment you're running and your cache is either full (or you're at/near the server-imposed limits), once AP splitting happens, that almost-full cache/limit doesn't allow for very many APs to be grabbed.

But when you've got idle GPUs, and there's a lot of machines that are idle, they may not get very many each, but there are more machines in total that are asking for that type of work, so there's a larger demand than usual, and the same limited supply, so everyone ends up with fewer individually, but overall ("results out in the field") is no different than usual.
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Message 1769140 - Posted: 3 Mar 2016, 5:26:28 UTC

And I think I'm not the only one who's either adding or upgrading capacity. Personally, I've retired all the old XP stuff I was running, but added two quad core Xeons, and about to add a 2xquad core Xeon I just grabbed cheap. With the core2quad, that's 4 boxes, each with 2xGTX750ti. Used to say I was doing this on the cheap ...
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Message 1769611 - Posted: 5 Mar 2016, 1:36:36 UTC

A few were split today and I got 10 between 2 boxes, all in all not a very satisfying run. There are worse problems in the world but that does disappoint.
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Message 1769653 - Posted: 5 Mar 2016, 7:24:10 UTC - in response to Message 1769611.  

A few were split today and I got 10 between 2 boxes, all in all not a very satisfying run. There are worse problems in the world but that does disappoint.

I managed 19 between 2. And yes it was not very satisfying....":|

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Message 1769662 - Posted: 5 Mar 2016, 8:36:30 UTC - in response to Message 1769653.  

I managed 19 between 2. And yes it was not very satisfying....":|

Got 23 for the new cruncher so far, counting what's splitting now, at least enough to know it's not gonna implode. 112 total, I think. No idea how I got that lucky ...
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Message 1770025 - Posted: 6 Mar 2016, 14:03:14 UTC - in response to Message 1768844.  

Looking at the Haveland graphs it looks about the same as normal to me. Could be the lack of AP in your diet getting to your head :P


Very interesting page, didn't know it existed. It seems that the S@H part is for v7 only... is there a page for v8 somewhere?
(sorry for the off topic)
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Message 1770056 - Posted: 6 Mar 2016, 17:13:38 UTC - in response to Message 1770025.  

Looking at the Haveland graphs it looks about the same as normal to me. Could be the lack of AP in your diet getting to your head :P


Very interesting page, didn't know it existed. It seems that the S@H part is for v7 only... is there a page for v8 somewhere?
(sorry for the off topic)

I don't think so. I would guess they are reading the first two columns under Database/file status from the Server status. I believe the same thing occurred in transition from Astropulse v6 to v7.
As the three apps being displayed is only temporary the person running the stats site probably doesn't see the need to do more coding. I don't think I would myself. I'm happy they have taken the time to publish the info.
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Message boards : Number crunching : Anything relating to AstroPulse tasks


 
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