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CPU PotM April => Amicable Numbers

 
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LanDroid
Prince
Prince


Joined: 11 Jun 2002
Posts: 4430
Location: Cincinnati, OH U.S.

PostPosted: Sat Apr 01, 2017 1:09 am    Post subject: CPU PotM April => Amicable Numbers Reply with quote

Quote:
Amicable Numbers is an independent research project that uses Internet-connected computers to find new amicable pairs. Amicable numbers are two different numbers so related that the sum of the proper divisors of each is equal to the other number. The smallest pair of amicable numbers is (220, 284). They are amicable because the proper divisors of 220 are 1, 2, 4, 5, 10, 11, 20, 22, 44, 55 and 110, of which the sum is 284; and the proper divisors of 284 are 1, 2, 4, 71 and 142, of which the sum is 220.

UPDATE 2017-03-26: ~250,000 amicable pairs will be found in the next few days. Don't miss the opportunity!

UPDATE 2017-03-28: It appears that current work units are 2 times slower on average, so I've set credit per WU to 3236.07 temporarily (2 times more than usual). This is until the project reaches 50%, when a whole new type of WU will start, so I'll revise credit per WU once again then.
https://sech.me/boinc/Amicable/

Amicable Numbers made a strong showing in the recent Alpha testing and is now a first time PotM.

This project uses all CPU threads at once. You can reduce the total number used in project settings.

GPU WUs are also available. Requirements: any AMD (HD 5xxx or newer) or NVIDIA (4xx or newer) GPU with OpenCL support and at least 1 GB of video memory. See notes on tweaking kernel size at link below. Have any Knights done this?
https://sech.me/boinc/Amicable/forum_thread.php?id=45#335

Check out new BADGES!

Miners can shrub GridCoin to benefit this project and many others.
https://gridcoinstats.eu/projects.php

Starting stats:
15th Place
49,633,294. Total points
3,011,392. Average daily production
WUs ready to send: 1150
Currently only 8 Knights have points on this project and 3 are active at the moment.
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LanDroid
Prince
Prince


Joined: 11 Jun 2002
Posts: 4430
Location: Cincinnati, OH U.S.

PostPosted: Sat Apr 01, 2017 2:52 pm    Post subject: Reply with quote

Check your account, how many pairs have you found?
I've got 50 so far, halfway to me 1st AN badge!
#ni-2
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KWSN SpongeBob SquarePant
Duke
Duke


Joined: 20 May 2002
Posts: 250
Location: In a Pineapple Under the Sea!

PostPosted: Sun Apr 02, 2017 12:00 pm    Post subject: Reply with quote

Ni!

20,000!

I hit it yesterday! Tying for top 10 in next two days.

Ni!
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Ni!

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[KWSN] multijumper
Knight
Knight


Joined: 26 Aug 2013
Posts: 48
Location: Warsaw / Poland

PostPosted: Mon Apr 03, 2017 3:47 pm    Post subject: Reply with quote

Only 2 core Sad
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KWSN SpongeBob SquarePant
Duke
Duke


Joined: 20 May 2002
Posts: 250
Location: In a Pineapple Under the Sea!

PostPosted: Tue Apr 04, 2017 3:50 am    Post subject: Reply with quote

NI!

Every Sperm... er Shrub, er, core is sacred.

If one goes on wasted, God gets quite irate....


Just sayin'


Ni!
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[KWSN] multijumper
Knight
Knight


Joined: 26 Aug 2013
Posts: 48
Location: Warsaw / Poland

PostPosted: Tue Apr 04, 2017 12:08 pm    Post subject: Reply with quote

Sorry but I forgot how to do it app_info.xml multi wu #Mad

will give someone on PM ?

EDIT

Good, I let it go

Code:

<app_config>
   <app>
      <name>amicable_2_64</name>
                <plan_class>opencl</plan_class>
      <max_concurrent>2</max_concurrent>
      <gpu_versions>
         <gpu_usage>.5</gpu_usage>
         <cpu_usage>.5</cpu_usage>
      </gpu_versions>
   </app>
</app_config>


a cpu for another project Very Happy
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LanDroid
Prince
Prince


Joined: 11 Jun 2002
Posts: 4430
Location: Cincinnati, OH U.S.

PostPosted: Fri Apr 07, 2017 5:04 pm    Post subject: Reply with quote

There's an easier way on this project - you can set "Max # CPUs" right in your account settings.
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[KWSN] multijumper
Knight
Knight


Joined: 26 Aug 2013
Posts: 48
Location: Warsaw / Poland

PostPosted: Sat Apr 08, 2017 1:03 am    Post subject: Reply with quote

Yes I know about that but i chose gpu Smile

two laptops - 6wu
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LanDroid
Prince
Prince


Joined: 11 Jun 2002
Posts: 4430
Location: Cincinnati, OH U.S.

PostPosted: Sat Apr 08, 2017 10:31 am    Post subject: Reply with quote

Ooops. Duh. Embarassed

This project now has two sets of badges: Discoverer and Credit.
https://sech.me/boinc/Amicable/forum_thread.php?id=36#283
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LanDroid
Prince
Prince


Joined: 11 Jun 2002
Posts: 4430
Location: Cincinnati, OH U.S.

PostPosted: Tue Apr 11, 2017 12:47 am    Post subject: Reply with quote

KWSN has already moved up 9 places into 6th place! We may gain 5th place this month. Average daily production has more than doubled from 3 million to 6.6 million. We're currently in 3rd place in daily production. We have more than doubled total points in one week.

Milestones:
The Knights Who Say Ni! 110,000,000

KWSN-SpongeBob SquarePants 65,000,000
williiamd007 20,000,000
John Galt 007 20,000,000
Sir Mifun Fat in a Right Place 1,100,000
LanDroid 650,000
multijumper 400,000
Plomos 350,000

#Onfire
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LanDroid
Prince
Prince


Joined: 11 Jun 2002
Posts: 4430
Location: Cincinnati, OH U.S.

PostPosted: Fri Apr 14, 2017 8:36 am    Post subject: Reply with quote

KWSN are on the verge of taking 5th place from the UK Overclockers and should take 4th from the mighty Sicituradastra a few days later.

Milestones:
The Knights Who Say Ni! 140,000,000

SpongeBob SquarePants 75,000,000
John Galt 007 25,000,000
williiamd007 25,000,000
Sir Mifun Fat in a Right Place 1,300,000
LanDroid 750,000
multijumper 650,000

Here's a video explaining Amicable Numbers plus a few cute stories 3:30 length.



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LanDroid
Prince
Prince


Joined: 11 Jun 2002
Posts: 4430
Location: Cincinnati, OH U.S.

PostPosted: Fri Apr 14, 2017 9:11 am    Post subject: Reply with quote

There's quite a battle of the 007s going on between John Galt 007 and williamd007. MI6 must be in an uproar!

https://boincstats.com/en/stats/172/user/compare/0/0/0?id%5B%5D=2686&id%5B%5D=120
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