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-   -   New Project: Amicable Numbers (https://www.overclock.net/forum/365-overclock-net-boinc-team/1622474-new-project-amicable-numbers.html)

tictoc 02-26-2017 07:22 AM

I just added a 1070 see how the GPU tasks run. :)
 


WhiteWulfe 02-26-2017 07:33 AM

Added in my GTX 980 Ti to the mix ^_^

k4m1k4z3 02-28-2017 04:23 AM

Quote:
Amicable Numbers: GPU application version
GPU application version is available for beta-testing now released as of February 28th. Both AMD (HD 5xxx or newer) and NVIDIA GPUs are supported. 1 GB of video RAM is required. To test it, enable "Run test applications" in project preferences here: https://sech.me/boinc/Amicable/prefs.php?subset=project

Looks like it is out of beta. If you were not intending to run the project on your GPU, you might want to check your settings. thumb.gif

bfromcolo 03-03-2017 01:12 PM

The site says I have discovered 4 amicable numbers!

 

144 "BOINC: bfromcolo, Sergei Chernykh" 2017
1670955096662970790=2*5*7*37*73*54059*163483583
1907767206084554330=2*5*37*71*1627*65719*679183

245 "BOINC: bfromcolo, taurec" 2017
2106500495461250630=2*5*7*29*1279*5741*141321239
2380584995157117370=2*5*29*151*283*521*10559*34919

344 "BOINC: bfromcolo, fastgeek" 2017
2856894125877910930=2*5*7*29*6659*185483*1139423
3223752871411868270=2*5*29*79*3607*51503*757457

466 "BOINC: pelpolaris, bfromcolo" 2017
11739605364198511310=2*5*7*37*179*3631*4139*1684919
13214618118542224690=2*5*29*137*191*683*14779*172519
 

Guess I need to somehow translate those to lotto numbers or something.  These must be easier to find then big primes because I don't think I have ever found one of those.


k4m1k4z3 03-03-2017 03:16 PM

Hahaha, would I get in trouble if I posted all of the amicable numbers I found?

Amicable pairs discovered: 4511

There are 110 that I found myself...
ctrl + f: "BOINC: k4m1k4z3"

bfromcolo 03-03-2017 06:26 PM

Quote:
Originally Posted by k4m1k4z3 View Post

Hahaha, would I get in trouble if I posted all of the amicable numbers I found?

Amicable pairs discovered: 4511

There are 110 that I found myself...
ctrl + f: "BOINC: k4m1k4z3"

 

Wow! You have must have been running this for a while.  It's kind of neat to have the results reflect that you accomplished something, not a lot of projects that provide any feedback even if it is just a weird math problem.


mmonnin 03-19-2017 02:28 PM

App is 36% complete so far:
https://sech.me/boinc/Amicable/server_status.php

Project admin said most amicable pairs will be found before 50% completion. I have found 37 out of 52 tasks with credit so a pretty high rate. But if you want to get the badge for Amicable Pairs found you might want to get on it now. A task takes about 5min on my 1070. Even with it being OpenCL there is very little CPU usage so I'm running 4x on both the 1070 an 970 for WUProp hours. GPU utilization runs at 100%.
Quote:
227,482 amicable pairs have been found so far, ~340,000 are yet to be found according to my estimations. Due to the way this search is organized and how amicable numbers are distributed, I expect almost all of those ~340k pairs to be found before the search reaches 50% in a couple of weeks, and only a few thousand of new pairs will be found after 50%. So if your target is to get some of the discoverer badges, now is the time to crunch with everything you've got.

Since there will be only a few new pairs after 50%, this is when I'll introduce credit badges.

tictoc 03-19-2017 02:31 PM

Other than WUProp hours, is it more efficient to run concurrent tasks?


mmonnin 03-19-2017 02:44 PM

Quote:
Originally Posted by tictoc View Post

Other than WUProp hours, is it more efficient to run concurrent tasks?

Probably not. Still high GPU usage, 99-100% most of the time. Just a dip when switching tasks, like a second, but then pegged at 100% again.

Coming from running 4x [email protected] tasks I get to run 8x CPU threads all full throttle again, which is nice.

ProcessLasso is showing less than 1% CPU usage per task. 0.6-0.8% of the whole CPU per task.

k4m1k4z3 03-19-2017 02:45 PM

A single task appears to do a good enough job loading my GPUs to 100%





I see that my 980 isnt quite as loaded down, there might be some improvement from running two....
I am making a push for 10,000 pairs before it is too late tongue.gif I currently have 6781


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