Message boards :
Number crunching :
shortie storm has arrived here ...
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Author | Message |
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Lionel Send message Joined: 25 Mar 00 Posts: 680 Credit: 563,640,304 RAC: 597 |
Shortie after shortie. We're being totally drowned in nothing else than shorties. No wonder the bandwidth is maxed as soon as the project comes online after an outage, and it never lets up. which is why they need to get rid of the limits ... all it does is bring us all down to the bottom to feed at once ... |
kittyman Send message Joined: 9 Jul 00 Posts: 51468 Credit: 1,018,363,574 RAC: 1,004 |
Shortie after shortie. We're being totally drowned in nothing else than shorties. No wonder the bandwidth is maxed as soon as the project comes online after an outage, and it never lets up. Problem with the limits is that during the shorty storms, it's all a fast rig can do to get enough work to keep crunching. And between shorty storms and AP runs, it's hard to build enough cache to keep going during the lean times. Right now my top rig has about 300 WUs cached....all shorties. That's a little over 2 hours of crunching. And to top it off, as long as the GPU can't get much cache, the scheduler doesn't see fit to send anything to the CPUs, which sit idle save for feeding the GPUs. "Freedom is just Chaos, with better lighting." Alan Dean Foster |
Cosmic_Ocean Send message Joined: 23 Dec 00 Posts: 3027 Credit: 13,516,867 RAC: 13 |
I looked at my MB-only machine a little while ago and yesterday, it just finished all of its shorties in high priority, reported them, got new work.. 20 or so shorties. Looks like it's going to go high-priority for a day or two again sometime really soon. *shrug* I just leave it alone. It has a full 10-day cache right now anyway, it'll be just fine. Haven't missed a deadline since I aborted 580 tasks a few months ago due to those server-side changes to estimates making my CPU think a 2-hour task could be done in 8 minutes. Linux laptop: record uptime: 1511d 20h 19m (ended due to the power brick giving-up) |
Lionel Send message Joined: 25 Mar 00 Posts: 680 Credit: 563,640,304 RAC: 597 |
all mine are empty (TA will like that) and struggling to get any work ... 5 minutes do dl is the quickest i ge a wu ... more like up around 20 ... and that's not including the time it sits there and does nothing ... when I had a cache I was never in this boat and was able to let the storms pass before getting new wus ... |
Terror Australis Send message Joined: 14 Feb 04 Posts: 1817 Credit: 262,693,308 RAC: 44 |
all mine are empty (TA will like that) :D Problem is, I'm in the same boat, my 2 big guns have nothing on board and a heap of downloads "pending" (although things seem to have freed up a bit in the last half hour). T.A. |
kittyman Send message Joined: 9 Jul 00 Posts: 51468 Credit: 1,018,363,574 RAC: 1,004 |
Not much has freed up here..... My top rig has gone from a cache of about 300 down to about 50 now.... It can't snag and download shorties fast enough to keep it fed. I'm off to bed with the kitties now, and before I awake, it will probably run bone dry of Seti and be off to Einstein to catch some recreational tasks to keep it limber whilst it tries to cache a bit of Seti again. "Freedom is just Chaos, with better lighting." Alan Dean Foster |
Dave Send message Joined: 29 Mar 02 Posts: 778 Credit: 25,001,396 RAC: 0 |
Yes this is frustrating while trying to maintain a good RAC (though I'm currently trying to blitz/burn-off remaining Einstein atm). Why do we have to have a storm of them? I agree with the with comment longer-to-download-than-to-crunch ;). Why can't they just be mixed in with the normal units? Is it jus the particular tape that's been split? |
rob smith Send message Joined: 7 Mar 03 Posts: 22160 Credit: 416,307,556 RAC: 380 |
The mix of shorties and normal WU is entirely down to what is on the tape, which is down to what the telescope was doing at the time, over which S@H has no control. Bob Smith Member of Seti PIPPS (Pluto is a Planet Protest Society) Somewhere in the (un)known Universe? |
Mike Send message Joined: 17 Feb 01 Posts: 34253 Credit: 79,922,639 RAC: 80 |
I got lotz of VLARs on my GPU and 30% VHARs on my CPU. My 5850 is happy with them. With each crime and every kindness we birth our future. |
kittyman Send message Joined: 9 Jul 00 Posts: 51468 Credit: 1,018,363,574 RAC: 1,004 |
Well, I was right.... The Frozen 920 ran out of Seti has taken a few hours off to do a batch of Einstein. It's managed to snag about 200 Seti tasks during the break, about 98% shorties. "Freedom is just Chaos, with better lighting." Alan Dean Foster |
Filipe Send message Joined: 12 Aug 00 Posts: 218 Credit: 21,281,677 RAC: 20 |
The Frozen 920 ran out of Seti has taken a few hours off to do a batch of Einstein. BRP4 work? |
kittyman Send message Joined: 9 Jul 00 Posts: 51468 Credit: 1,018,363,574 RAC: 1,004 |
The Frozen 920 ran out of Seti has taken a few hours off to do a batch of Einstein. Gosh, I dunno....whatever they are sending out to NV GPUs. Oh, there it is, says 'Binary Radio Pulsar Search (BRP3cuda32). "Freedom is just Chaos, with better lighting." Alan Dean Foster |
Dave Send message Joined: 29 Mar 02 Posts: 778 Credit: 25,001,396 RAC: 0 |
Like another world isn't it E@H ;). All this strange work I don't understand. Currently evalutating benchmarking options at this time this end so GPU RAC suddenly isn't a priority. |
kittyman Send message Joined: 9 Jul 00 Posts: 51468 Credit: 1,018,363,574 RAC: 1,004 |
Like another world isn't it E@H ;). All this strange work I don't understand. Well, the kitties would just much rather be doing their Seti thingy. I do think it's interesting how EAH packages a number of downloads into one 'task' for the GPUs. "Freedom is just Chaos, with better lighting." Alan Dean Foster |
kittyman Send message Joined: 9 Jul 00 Posts: 51468 Credit: 1,018,363,574 RAC: 1,004 |
And the shorty storm continues to rage...... Requesting every 5 minutes, the Frozen 920 has not been able to score a single new task for almost an hour. And the last server status update shows we are receiving over 88,000 completed tasks per hour. The datasets loaded for MB splitting cover a wide range of recording dates. Hopefully there are some that contain other than VHAR to give us a break. "Freedom is just Chaos, with better lighting." Alan Dean Foster |
W-K 666 Send message Joined: 18 May 99 Posts: 19012 Credit: 40,757,560 RAC: 67 |
It must be bad luck for some, all the tasks I have d/loaded since 15:00 UTC for the cpu are VLAR's |
zoom3+1=4 Send message Joined: 30 Nov 03 Posts: 65709 Credit: 55,293,173 RAC: 49 |
And in the midst of the storm My PC locked up, I think the 285.79 driver was causing a few problems, I had to rearrange two 295 cards to get the PC working again, as during the reboot the OS looked and found 6 corrupt file entries, deleted the info and located the newly orphaned files and did what was needed to have a working PC again, then uninstall the offending drivers, install 285.38 that I knew worked and well, here I am, back to nermal. The T1 Trust, PRR T1 Class 4-4-4-4 #5550, 1 of America's First HST's |
__W__ Send message Joined: 28 Mar 09 Posts: 116 Credit: 5,943,642 RAC: 0 |
As long as there is also AP's to download it's always a maxed bandwidth. Talk about giving the servers a beating. If the project stays online the whole weekend without any hickups, I really should consider eating my hat :-) I think you need something of to make it a little more tasty ;-) __W__ _______________________________________________________________________________ |
Kevin Olley Send message Joined: 3 Aug 99 Posts: 906 Credit: 261,085,289 RAC: 572 |
Oh goodie, a storm, or should I say the super duper heavy late bombardment... ;) Looks like it has resumed, just got home from work and over 90% of new downloads are shorties. Kevin |
Terry Long Send message Joined: 23 Jun 10 Posts: 26 Credit: 127,542 RAC: 0 |
Yep. Got a good many of those myself. Some so short they only lasted 20-30 seconds. But I guess it's something. Lmao Terry |
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