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2014 Prime Grid Challenge Info
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Yankton
Prince
Prince


Joined: 27 Sep 2008
Posts: 1702
Location: California

PostPosted: Wed Apr 23, 2014 1:54 am    Post subject: Reply with quote

Averaging 1270 seconds on the windows box, 1180 on the linux box. Screaming right along!

#ni-1
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Cow_tipping
Prince
Prince


Joined: 19 May 2002
Posts: 2420
Location: On the run

PostPosted: Wed Apr 23, 2014 4:05 am    Post subject: Reply with quote

Averaging Temperature of 100C on my Haswell processor.

I'll be delidding my 4770k at the end of this month.
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Pooh Bear 27
Prince
Prince


Joined: 28 Jan 2005
Posts: 1354
Location: Fond du Lac, WI

PostPosted: Wed Apr 23, 2014 5:47 am    Post subject: Reply with quote

The January GFN challenges have been finalized. We did a pretty nice showing for these hefty units.

Code:
Stallion Edition (WR units)
17   The Knights Who Say Ni!   4668357.39

31   Yankton            3499677.95
80   Grebuloner         1168679.44




Pony Edition
16   The Knights Who Say Ni!   5570887.64

60   Williamd007         1716154.51
102   Pooh Bear 27         1113426.38
106   Grebuloner         1024108.79
123   KWSN-Gemjunkie[TeaM]   844973.76
149   Yankton            661865.02
365   [KWSN] multijumper   120324.86
514   LanDroid         59940.07
575   zbear            30094.25

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Yankton
Prince
Prince


Joined: 27 Sep 2008
Posts: 1702
Location: California

PostPosted: Wed Apr 23, 2014 7:23 am    Post subject: Reply with quote

I would ask you if you are using a reference cooler, but you know about delidding so I assume you have something decent. Is it overclocked? I found haswells running avx apps have temps that go nuts when overclocked and the new llr app uses avx and avx2. My 4770k will run at 4.4Ghz until I start hitting the avx stuff hard. Then I don't like going over 3.7Ghz. Even the temps are a bit high. I leave at stock speeds unless I know I'm avoiding anything along that line for a stretch. I'm actually going to liquid cooling soon but that's mostly for the gpu. The 4770k also draws mad power when using avx. TJmax for haswell is 100, it should be throttling itself if you're hitting temps that high.

#ni-1
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Pooh Bear 27
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Joined: 28 Jan 2005
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Location: Fond du Lac, WI

PostPosted: Wed Apr 23, 2014 8:11 am    Post subject: Reply with quote

I run stock on all my CPU/GPUs. I do run 50% cores with HT on in the BOIS for LLR.
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Pooh Bear 27
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Joined: 28 Jan 2005
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Location: Fond du Lac, WI

PostPosted: Wed Apr 23, 2014 8:20 am    Post subject: Reply with quote

Less than 3 hours to get your PPS-LLR in for the challenge. Our team has been sitting at around position 14 for most of this challenge. We would need a good hit to move up a spot or two, but we could be easily caught and move down. Hustle those cores (well do what you can)!
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Cow_tipping
Prince
Prince


Joined: 19 May 2002
Posts: 2420
Location: On the run

PostPosted: Wed Apr 23, 2014 9:36 am    Post subject: Reply with quote

Non overclocked 4770k (well, 3.8GHz).
I have a combo watercooling kit for both CPU and GPU. The GTX580 is not getting hot at all under full load, but the Haswell is boiling.


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Yankton
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Joined: 27 Sep 2008
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Location: California

PostPosted: Wed Apr 23, 2014 3:21 pm    Post subject: Reply with quote

I couldn't go above 3.7 without having to bump up the voltage regulator. If you aren't hyper threading though you shouldn't see a full blown 100 degrees. Might want to redo your thermal paste.
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Cow_tipping
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PostPosted: Thu Apr 24, 2014 6:21 am    Post subject: Reply with quote

I was hyperthreading and using 7 cores. (1 core reserved for Majestic client and 2 VM's)
I had redone the thermal paste already but that didn't help.
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Yankton
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Joined: 27 Sep 2008
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PostPosted: Thu Apr 24, 2014 7:21 am    Post subject: Reply with quote

Hyper threading explains it then. hyper threading and avx don't play well together. Drop it down to stock speeds and your temps should come down. Some. Try turning it off. You'll actually finish more WUs in a time period with HT off than on. You can do the 50% thing, but you gain more if you turn it off in the bios. There might not be anything wrong besides that. Though you may want to check your voltages when the LLRs are running to see if it's maxed out. At 3.8 running these it might be. I think I only got mine to 3.7 without hitting the ceiling or raising the voltage regulator set point. It kept getting close to 1.4v and you don't want to do that on air, which I currently am.

#ni-1
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Cow_tipping
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PostPosted: Thu Apr 24, 2014 9:58 am    Post subject: Reply with quote

Mine is set at 1.2V iirc.

I need to reserve 1 core for other activities besides CPU crunching. If I would use all cores the Majestic12 client's error rate goes up. With HT off, that would mean 25% and with HT on only 13% of the processor is sacrificed.

Then again, de-lidding sounds interesting as a performance boost.
I have some good thermal paste and even a 25 micron sheet of pyrolytic graphite I might want to play with. (Someone misplaced the sheets of Indium foil which would be more awesome to experiment with)
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Yankton
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Joined: 27 Sep 2008
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PostPosted: Thu Apr 24, 2014 3:36 pm    Post subject: Reply with quote

Good luck then! Just remember delidding is also like the silicon lottery. The tim inside isn't bad stuff like a lot of people think. You may gain nothing and run the risk of killing it completely. You could try a more robust cooling system. #ni-2
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PhastPhred
Prince
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Joined: 22 Mar 2006
Posts: 6017
Location: Northwest AR (USA)

PostPosted: Fri May 02, 2014 5:26 am    Post subject: Reply with quote

Cullen Prime Search (LLR)
n·2n+1

Race to the New Moon Challenge project
http://www.primegrid.com/forum_thread.php?id=5683#76082

Supported platforms:

Windows: 32bit, 64bit
Linux: 32bit, 64bit
Mac: 32bit, 64bit

Deadline: 14 days

Recent average CPU time: 61:04:32
This project has a 20% long job credit bonus.

More information coming soon!

Until then, here's the links to 2014's completed challenges:

Year of the Horse -- Stallion Edition (GFN-WR)
Year of the Horse -- Pony Express (GFN-Short)
Double Top Secret Mystery Challenge (PSP-LLR)
Shakespeare's Birthday Challenge (PPS-LLR)
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Gemjunkie
Prince
Prince


Joined: 03 Jul 2010
Posts: 3519
Location: Earth, lately

PostPosted: Fri May 02, 2014 10:31 am    Post subject: Reply with quote

Those aren't links, silly!



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JumpinJohnny
Prince
Prince


Joined: 28 Mar 2013
Posts: 1247
Location: Western New Hamster

PostPosted: Fri May 02, 2014 1:41 pm    Post subject: Reply with quote

Gemjunkie wrote:
Those aren't links, silly!





Ummm yeah, That's the Double Lazy L brand from Wild Western Wyoming
*(it's a Llama ranch, they have an Alpaca herd as well. That familiar brand can bee seen on the rumps of all their livestock, even goats.)
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PhastPhred
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Joined: 22 Mar 2006
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PostPosted: Fri May 02, 2014 4:46 pm    Post subject: Reply with quote

Ah, yes! The lovely Rumps of Wyoming!

Bites knuckles...
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Cow_tipping
Prince
Prince


Joined: 19 May 2002
Posts: 2420
Location: On the run

PostPosted: Tue May 06, 2014 3:31 am    Post subject: Reply with quote

Yankton wrote:
Good luck then! Just remember delidding is also like the silicon lottery. The tim inside isn't bad stuff like a lot of people think. You may gain nothing and run the risk of killing it completely. You could try a more robust cooling system. #ni-2

Ya, delidding is not about replacing an inferior TIM, but reducing the layer thickness.
Anyway, too distracted to type any further. I'm gonna scroll back up a bit.
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Pooh Bear 27
Prince
Prince


Joined: 28 Jan 2005
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Location: Fond du Lac, WI

PostPosted: Mon May 19, 2014 8:57 pm    Post subject: Reply with quote

Just over 17 hours away:

Race to the New Moon Challenge
May 20 19:43 to May 28 19:43 (UTC)
To participate in the Challenge, please select only the Cullen Prime Search (LLR) project in your PrimeGrid preferences section.
Recent average CPU time: 68:40:49
This project has a 20% long job credit bonus.

AVX and AVX2 have steep advantages on this. Best if run with HT off
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Cow_tipping
Prince
Prince


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PostPosted: Tue May 20, 2014 5:00 am    Post subject: Reply with quote

Just my luck to get a semi-heatwave this week in Holland.
The Haswell is already overheating with max 6 cores doing Primegrid units.
I might underclock during the challenge just to get some work done.
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Pooh Bear 27
Prince
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Joined: 28 Jan 2005
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Location: Fond du Lac, WI

PostPosted: Tue May 20, 2014 2:46 pm    Post subject: Reply with quote

First 20 downloaded and running. Let's hope for good luck this time around (IE not having a machine go nuts) for me.
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My lucky numbers are 121*2^4553899-1 and 3756801695685*2^666669±1


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