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poppageek
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#21 Re: New to PrimeGrid

Unread post by poppageek » Fri Mar 08, 2019 11:57 am

Dark Angel is who got it and he is running it. Said it was single thread so no biggie.

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#22 Re: New to PrimeGrid

Unread post by poppageek » Mon Mar 11, 2019 1:43 am

My 750k genefer that sat in Inconclusive for a week was marked Invalid. Ouch. p21

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#23 Re: New to PrimeGrid

Unread post by davidBAM » Mon Mar 11, 2019 3:40 am

Ouch indeed :-(
I think this is fool-proof but could you just try it for me please? • There are 10 types of people in the world; those who understand binary, and those who don’t
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#24 Re: New to PrimeGrid

Unread post by davidBAM » Thu Mar 14, 2019 1:56 pm

You are hammering up the points for today though @poppageek - much appreciated. This table auto-updates
I think this is fool-proof but could you just try it for me please? • There are 10 types of people in the world; those who understand binary, and those who don’t
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#25 Re: New to PrimeGrid

Unread post by poppageek » Thu Mar 14, 2019 3:26 pm

I had a Feeling Lucky? work unit go valid for 944k. So won't be a normal day. :wink:

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#26 Re: New to PrimeGrid

Unread post by davidBAM » Fri Apr 05, 2019 1:07 pm

@poppageek you inspired me to try some big WU

Just got paid 706K for a Genefer22 but I see my slower CPU and slower GPU meant it took twice as long as the other guy https://www.primegrid.com/workunit.php?wuid=604676133

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#27 Re: New to PrimeGrid

Unread post by Bryan » Fri Apr 05, 2019 3:39 pm

PG does best if you turn off hyper threading. It is very tight code.
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#28 Re: New to PrimeGrid

Unread post by davidBAM » Fri Apr 05, 2019 3:41 pm

Ah thank you, I do remember seeing that somewhere before. I'll put it in the forum header box

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#29 Re: New to PrimeGrid

Unread post by davidBAM » Fri Apr 05, 2019 8:10 pm

Hmmm - Rather than lose 32 threads turning off hyperthreading on my Threadripper, I think I'll reconfigure to run PrimeGrid on something else. I have a Xeon(R) CPU E5-2609 v3 which can't HT but that only runs at 1.90GHz.

Seems like a Pentium with many MHz and not many cores would be the ideal CPU to drive 3 nVidia cards on PrimeGrid

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#30 Re: New to PrimeGrid

Unread post by Bryan » Fri Apr 05, 2019 11:16 pm

I may be mistaken but I think PG will use AVX2 if the machine has that capability.
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#31 Re: New to PrimeGrid

Unread post by davidBAM » Fri Apr 05, 2019 11:19 pm

Pretty smart stuff this PG. I'll put another 1080 on the E5-2609 v3 and see how it works out

Thank you

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#32 Re: New to PrimeGrid

Unread post by davidBAM » Sat Apr 06, 2019 7:33 am

:D :D Landed a 944K WU from the gtx1660ti last night https://www.primegrid.com/workunit.php?wuid=606226087

Took 50 hours given the rather modest GPU / CPU involved (HT is on). My wingman was just under half that time on superior kit

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#33 Re: New to PrimeGrid

Unread post by Bryan » Sat Apr 06, 2019 12:45 pm

My comments were based on running it on CPU. If you are just doing GPU then HT makes no difference.

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#34 Re: New to PrimeGrid

Unread post by davidBAM » Sat Apr 06, 2019 1:01 pm

Ah - I misunderstood. I thought you were referring to the (not inconsiderable amount of) code which still ran on the CPU to keep the GPU busy :P

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#35 Re: New to PrimeGrid

Unread post by poppageek » Sat Apr 13, 2019 10:19 pm

While I have very little interest in Prime numbers I think Prime Grid is the most interesting and well done project and web site of any I have participated. I'm off it now but plan on returning sometime this fall. Summer heat means much fewer crunchers. Sad times. :-(

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#36 Re: New to PrimeGrid

Unread post by scole of TSBT » Sun Apr 14, 2019 12:20 am

If you have CPU cores that you can keep cool the Generalized Cullen Woodall Sieve pays well for a CPU app and you can also earn a sub-project badge. That sub-project is going to shut down May 1st I think so get it while you can.

They recently revived the 321 Sieve app and it pays even better on CPU. Not sure how long it remain active.
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#37 Re: New to PrimeGrid

Unread post by poppageek » Wed Apr 17, 2019 5:40 am

You guys got me thinking PG again. I'd like to get in on that GCW work units but I am trying to get my 100 year on MCM on WCG. Only 4 more years, about 20-25 days _IF_ I can keep up current RAC. It is already hitting 80f or 27c here some days. I have shut down most of my GPUs on E@H to free up CPU cores. But IIRC some of PG GPU work units use very little CPU. So I put a 1080 and RX 570 on PG and will filter out the work units that use a lot of CPU.

We often have to shut down some of the machines during the afternoon and evening but roughly 18 hours a day is not too bad. More than nuthin' according to my calculations. ;-)

Hope all are doing well! Cheers! :obscene-drinkingcheers:

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