KWSN Orbiting Fortress

LanDroid · Posted: Mon Jul 27, 2009 9:30 am Post subject:

Once again, a brilliant loonie thinks he will improve a project, but ends up wrecking it:

PhastPhred · Posted: Tue Jul 28, 2009 9:32 am Post subject:

Finally snagged a few WUs for the team! Only four, but then again, we ARE still on Enigma, y'know? Twisted Evil

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Al Dente · Posted: Tue Jul 28, 2009 10:00 am Post subject:

Thanks for the reminder, I'd just about forgotten about this project.

Checked and found I'd got a few (dozen!), so we'll see how they get on.

#ni-1

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Killerrabbit · Posted: Tue Jul 28, 2009 10:09 am Post subject:

Got one workunit, says it will take 55 hours to complete. Well lets see how long it will really take.

Ni
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Al Dente · Posted: Tue Jul 28, 2009 10:16 am Post subject:

I've finished 3 or 4, they seem to be taking a tad over 9 minutes on a GTS250, but no sign of any credit yet.
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Al Dente · Posted: Tue Jul 28, 2009 11:34 am Post subject:

Right, then; credit has appeared.

9½ minute (on a GTS250) generates ~75 cobblies, or ~475/hour.

For comparison, Aqua was generating ~230/hr on their long 250-350 hour WUs, but dropped to a miserly 65/hr when they started their new short 20 minute WUs. GPUGrid gives a much more healthy 350/hour.

But the new winner appears to be Collatz. Very Happy

Pile in lads while the goings good.

#ni-1

P.S. checkpoint beat us all to the point and finished a big batch of work, but most of them errored out. I think he's using an ATI unit, as the shrubber details don't show a GPU.
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John Galt 007 · Prince Joined: 31 Dec 2007 Posts: 1206 Location: Wisconsin

Crap....another project to exercise my credit dominance.... Twisted Evil

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JerWA · Prince Joined: 01 Jan 2007 Posts: 1497 Location: WA, USA

I'm in. Main thing of note about this project is that its CAL client does not require double precision so if you have any previously idle cards, as long as they're listed on THIS PAGE you can join in the fun.

The list is rather extensive, especially when compared to the relatively small number of double precision cards. I, for instance, am running Collatz on my computer at work which had an HD4650 that isn't double precision. w00t for more points! Heck, it'll even run on the HD3x00 series chipsets (i.e. onboard graphics) lol.

Yay for people figuring out the CAL/Brook stuff. #ni-1

Edit: Looks like my first GPU WU on this HD4650 is going to take just under 20 minutes. I'll update when it's done and posted.
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Killerrabbit · Posted: Tue Jul 28, 2009 12:44 pm Post subject:

Dang my one WU will take several hours to complete compared to your quick times.

Ni
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JerWA · Prince Joined: 01 Jan 2007 Posts: 1497 Location: WA, USA

It's a learning process lol. Collatz + HD4650 + GPU-Z = Corrupt WUs. Collatz + 2WUs at once + HD4650 = VPU crash + Corrupt WUs. BOINC 6.6.36 doesn't handle Collatz any better than MilkyWay either.

Have only had one finish successfully and it's still pending validation. Got plenty of WUs though.
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Al Dente · Posted: Tue Jul 28, 2009 1:38 pm Post subject:

Confirmation of what checkpoint found - they haven't got ATI cards properly sorted yet. I've only tried it on nVidia so far, and haven't seen any duff units.

I may try it on a 4850 next week, after I've reached the 10 mil in MW; I want to give today's addition to the farm (another 4850) a bit to bed in. Laughing

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Killerrabbit · Posted: Tue Jul 28, 2009 5:02 pm Post subject:

I am glad it has checkpointing, as it has just restarted after some Yoyo and Eignma work.

Ni
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JerWA · Prince Joined: 01 Jan 2007 Posts: 1497 Location: WA, USA

Yeah, having a lot of VPU crashes and such. Documenting it in their forums but here's some tips to anyone wanting to try it:

1) Avoid GPU utilities like the Catalyst Control Panel or GPU-Z. In MilkyWay they make your system slow and unresponsive. In Collatz they cause a VPU crash and corrupt WUs (that still run to completion before dying).

2) On my HD4650 at least, avoid -n2. 2 WUs running at once = VPU crash and corrupted WUs.

3) If you suspend WUs re-enable them all at once or just one at a time. Doing them in groups seems to always cause a VPU crash (though no corruption yet).

That said, more points from this system is ok by me. Smile

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mohrorless · Posted: Tue Jul 28, 2009 8:26 pm Post subject:

I have 2 WUs. They are listed as going to take 26:17 and 76:13 (hours:minutes). We'll see. I tried to go to their site to up my work allocation, but the site seems to be down...
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mohrorless · Posted: Tue Jul 28, 2009 8:37 pm Post subject:

It appears to be back up. Slow but back up.
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JerWA · Prince Joined: 01 Jan 2007 Posts: 1497 Location: WA, USA

From what I've read in the forums it won't be worth it unless you're running 64 bit. The 32 bit apps, even optimized, run at less than half the speed.
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Killerrabbit · Posted: Wed Jul 29, 2009 10:03 am Post subject:

First workunit completed for me, took a little over 6 hours.

Ni
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Al Dente · Posted: Wed Jul 29, 2009 10:24 am Post subject:

OK, own up.

Who broke it. Shocked

The sites been down for a good few hours now; Ive got ~100 shrubs trying to upload, and I'm half-way through my cache - only about 4-5 hours work left in stock.

On the plus side, the last time I looked (~8 hours ago) KWSN had risen to the dizzy heights of the low 20's (RAC ~15th).

#ni-1

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JerWA · Prince Joined: 01 Jan 2007 Posts: 1497 Location: WA, USA

Not me. I had to suspend it when I left work, it's way too unstable on Win 7 to leave unattended. Crying or Very sad

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PhastPhred · Posted: Wed Jul 29, 2009 10:44 am Post subject: