Projects of the Month for December 2017 - Overclock.net - An Overclocking Community

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Projects of the Month for December 2017

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post #1 of 34 (permalink) Old 12-01-2017, 12:07 AM - Thread Starter
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December Projects of the Month

[email protected]

Start: 22 - Goal: 21 - End: 22 |  It has been more than three years since we had LHC as a POTM.

 

SRBase

Start: 36 - Goal: 30 - End: 26 |  It is a bit of feast or famine for tasks, but if the queues are kept full we can probably move up a number of spots. :thumb:

 

[email protected]

Start: 22 - Goal: 21 - End: 22 |  Will be a heck of a month if we can move up to 21, but we can give it a go. :D

 

 

A bit of a different mix for the last month of the year. :) 



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post #2 of 34 (permalink) Old 12-02-2017, 10:27 AM
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I'll switch over to SRBase. Still got some badges to grind. thumb.gif



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post #3 of 34 (permalink) Old 12-02-2017, 10:57 AM - Thread Starter
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I have been having issues with Einstein.  Not sure what the deal is, but I am getting driver crashes on my 290s and my 1070s.  No issues on my 480 which is running the same OS and drivers as my 290s and 1070s. :headscrat

 

After killing the stuck tasks, they go into uninterruptable sleep and I have to shutdown and reboot in order to clear the stuck tasks.  I haven't had time to see what is going on, but hopefully I can get it sorted out over the weekend.



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post #4 of 34 (permalink) Old 12-02-2017, 02:39 PM
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Looks like my Ryzen 1800X has terrible performance compared to my slower intel 2670 v0 processors when crunching SRBase. thinking.gif

I scanned through the top computers and the first Ryzen that appears is at #190 place...



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post #5 of 34 (permalink) Old 12-02-2017, 07:25 PM - Thread Starter
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Quote:
Originally Posted by emoga View Post

Looks like my Ryzen 1800X has terrible performance compared to my slower intel 2670 v0 processors when crunching SRBase. thinking.gif

I scanned through the top computers and the first Ryzen that appears is at #190 place...

 

There is really no way that a 2670 should be 20% faster than an 1800X.  The only thing I could find was a post from April where rebirther said that it is not optimized for Ryzen yet.

 

I just loaded it up in Linux to see if it is a Windows issue, or if Ryzen is just knee-capped on this project

*Edit* I show the same results in Linux.  My R7 1700 is about 30% slower than my 2670v2

 

You might try and start a thread in the forums, since rebirther is active and is obviously optimizing the project with the use of AVX, AVX2, and FMA3.



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post #6 of 34 (permalink) Old 12-02-2017, 08:26 PM
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LHC seems to be mostly ATLAS units (i.e. using VirtualBox) right now.

► Recommended GPU Projects: [email protected] , [email protected] (FP64) (AMD moreso) ► Other notable GPU projects: [email protected] (Nvidia), GPUGrid (Nvidia) ► Project list


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post #7 of 34 (permalink) Old 12-02-2017, 10:32 PM
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All I've gotten the past few weeks have been Atlas. There was a post about it somewhere on their forums. Got 4 threads of 1950x (ends up utilizing about 2.5-3) and about 1 threads worth of a 3570k. 9.8gb of memory usage on the 1950x and 5.3gb on 3570k.

Finished my Moo tasks and moved over the RX 580 to [email protected]


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post #8 of 34 (permalink) Old 12-05-2017, 08:16 AM - Thread Starter
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Just fired up six 4-core Atlas tasks on my 2P.  Running six 4-core tasks uses roughly 35GB of memory on my 2P.  I did have to use an app_config with a much higher memory allocation than anything I saw on the forums, in order for the tasks to truly use 4 cores per task. 

 

Maybe they just take a while to start and I could have left the memory set at a lower value, but for the first thirty minutes each of the six tasks I was running were only using a single thread.  Once I upped the memory to 40GB in the app_config, the tasks immediately started using 4 threads each.



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post #9 of 34 (permalink) Old 12-05-2017, 09:56 AM
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Quote:
Originally Posted by tictoc View Post

Just fired up six 4-core Atlas tasks on my 2P.  Running six 4-core tasks uses roughly 35GB of memory on my 2P.  I did have to use an app_config with a much higher memory allocation than anything I saw on the forums, in order for the tasks to truly use 4 cores per task. 

Maybe they just take a while to start and I could have left the memory set at a lower value, but for the first thirty minutes each of the six tasks I was running were only using a single thread.  Once I upped the memory to 40GB in the app_config, the tasks immediately started using 4 threads each.

They either take awhile to get up to higher CPU usage or it takes awhile to write nearly 10gb of data. They go from less than 1 core of CPU time to something like 2.5 cores for me when set to 4. I run a couple of CPU tasks on my 2nd client for GPUs to keep the CPU busy at all times.


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post #10 of 34 (permalink) Old 12-05-2017, 05:59 PM
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Was browsing LHC forums and found a thread about this topic. Looks like 4, 5 and 3 threads are the most efficient.

https://lhcathome.cern.ch/lhcathome/forum_thread.php?id=4479#32732



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