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Folding with Linux, and enabling -bigadv - Page 2

post #11 of 38
Quote:
Originally Posted by $ilent View Post

QRB means quick return bonus, the quicker your cpu processes and completes the work unit and returns them back to Stanford, the more bonus points you get. Thats why better overclock means more points.

well without getting any Bigadv WU's ill probably be stuck unless i can disable Langouste until i get one
With langouste running F@h is not sending the units when done, but instead sending them several hours later, and its killing my PPD frown.gif
post #12 of 38
Quote:
Originally Posted by crystalhand View Post

Wow you have to share how you are managing this....? I know they shortened the deadlines but I cant seem to find by how much at the minute are you taking that into account with the 12hours to spare? \\
Also are you talking about dedicated native linux rigs or ones that actually get used? my 2500k suffers a 20-30% point loss when I am running chrome alone (yes I am a tab whore with 30+ usually open although it never consumes more than 1-2% according to resource monitor). I am not doubting the ability of some to complete the bigadv WUs in that time I am just saying that for the average person who uses the 2500k in their main computer it is pretty much impossible

The deadlines havent been changed yet, so at the moment its same as its always been.
post #13 of 38
Quote:
Originally Posted by $ilent View Post

The deadlines havent been changed yet, so at the moment its same as its always been.

You still did not explain anything about your setup. On my 2500k running at 4.8 I need average 16k PPD. When I try to run bigadv that improves to only 20k or so. My TPF on 6901s are about 40 minutes but the times on 6903s are slightly over an hour and a half putting me past the deadlines.


I know that it is possible to complete the 6903s no problem on a dedicated folding rig running linux but on a computer that is ever used it seems fairly difficult. I must be missing some important step in folding then..?
post #14 of 38
I had my 2500k at 4.7ghz, I think 8Gb ddr3 ram at 1866mhz, might have bene my old corsair dominator 4gb kit at 1600mhz. I was running vmware player with ubuntu installed, all in windows. I could finish 6903 units with about 12 hours to spare, think my TPF was 1hr 7mins or thereabouts.
post #15 of 38
Thread Starter 
Quote:
Originally Posted by shad0wfax View Post

The requirement for -bigadv is 12 cores at the moment. The requirement will be increased to 16 cores "soon" according to Stanford, but no one knows when "soon" is. (It was supposed to happen earlier this month.)

I've used both VMWare Player and Oracle's VirtualBox. The VMWare Player is 32 bit and the VirtualBox is 32 bit or 64 bit. Both support Intel Virtualization VT-X technology. (You'll have to have it enabled in your BIOS as it's disabled by default.) I found that the VirtualBox was slightly more efficient than the VMWare Player for folding throughput, probably due to being native 64 bit, but that the VirtualBox was less friendly with sharing resources than VMWare Player was when multi-tasking. VirtualBox worked with a 16 core "hack" via the Linux shell and so did the older version of VMWare Player (3.0, I believe).

Native Linux will perform better than the a Linux VM, especially for -bigadv.

The distribution of Linux that you use also has an impact on performance. The best Linux distro I've found was at http://linuxforge.net

The VirtualBox distro image was at http://www.linuxforge.net/docs/crunching/fah-virtualbox.php

The VMWare Player distro image was at http://www.linuxforge.net/docs/crunching/fah-vmware.php

The Native image was at http://www.linuxforge.net/docs/crunching/fah-native.php

Both VM images are very streamlined and dedicated to folding. The native image was by far the best performing distro I've tried. It was significantly faster than Ubuntu 10.04 and 10.10. (I didn't try the 8.XX Ubuntu that some use and 11.XX were slower than 10.04 or 10.10.)

I got the best performance after updating the linux kernel posted on the appropriate pages for each distro.


Unless you're around 4.9 GHz or higher, you probably will not have any chance of completing the bigger -bigadv units. When the changes are made, your 2500K will most likely have no chance at all of completing the units within time for QRB. (Quick Return Bonus)

Slackware huh? Interesting, I was planning on installing Ubuntu...
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post #16 of 38
Quote:
Originally Posted by crystalhand View Post

You still did not explain anything about your setup. On my 2500k running at 4.8 I need average 16k PPD. When I try to run bigadv that improves to only 20k or so. My TPF on 6901s are about 40 minutes but the times on 6903s are slightly over an hour and a half putting me past the deadlines.
I know that it is possible to complete the 6903s no problem on a dedicated folding rig running linux but on a computer that is ever used it seems fairly difficult. I must be missing some important step in folding then..?

Your problem lies in the fact that you are using the computer too much.

I have a 2500k dedicated folder that can do a 6903 with over 22 hours to spare. (TPF: 58.25) It is running Ubuntu and all it does is fold 24/7. It can also complete a 6904 with around 9 hours to spare.

A 2500k has always been the bare minimum to do -bigadv and you need 24/7 to do so reliably IMO.

2cents.gif
Edited by gsa700 - 2/20/12 at 2:25pm
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post #17 of 38
I am thinking about running -bigadv on my 1055t at 3.8ghz. But i am wondering whether it will make the deadlines. Also will it be needing to fold 24/7 due to the amount of power and the deadline requirement because i would like to game on it occasionally and do some other things but i usually leave it on over night and when i go to school which is around about 15 hours of un-interrupted folding.

(Also would it be worth upgrading to a 990FX board just to run SLI but i will end up keeping my 1055t because my love for it is to much. Then would it be worth buying a second GTX 470. Or scraping the first GTX 470 all round and going with a new generation of graphics card.) My only problem will be will be the switching back from SLI to Independent computing when i want to game. Will I also be able to use one GPU for folding@home and the other for gaming.)


Quote:
Originally Posted by gsa700 View Post

Your problem lies in the fact that you are using the computer too much.
I have a 2500k dedicated folder that can do a 6903 with over 22 hours to spare. (TPF: 58.25) It is running Ubuntu and all it does is fold 24/7. It can also complete a 6904 with around 9 hours to spare.
A 2500k has always been the bare minimum to do -bigadv and you need 24/7 to do so reliably IMO.
2cents.gif

A 1055t-1090t can complete a -bigadv dedicated with a lot of time to spare on the deadline and it can complete one with a bit of usage out of folding here and there.
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post #18 of 38
Quote:
Originally Posted by gsa700 View Post

Your problem lies in the fact that you are using the computer too much.
I have a 2500k dedicated folder that can do a 6903 with over 22 hours to spare. (TPF: 58.25) It is running Ubuntu and all it does is fold 24/7. It can also complete a 6904 with around 9 hours to spare.
A 2500k has always been the bare minimum to do -bigadv and you need 24/7 to do so reliably IMO.
2cents.gif

ya even with just a chrome browser up it pushes the TPF to high to complete them in time. But in all honesty to complete bigadv units it has to be a 24/7 dedicated rig. Also I think my ram speed might play a significant factor in this. It is only at 1600 but faster would definitely help
Quote:
Originally Posted by Timbojones View Post

I am thinking about running -bigadv on my 1055t at 3.8ghz. But i am wondering whether it will make the deadlines. Also will it be needing to fold 24/7 due to the amount of power and the deadline requirement because i would like to game on it occasionally and do some other things but i usually leave it on over night and when i go to school which is around about 15 hours of un-interrupted folding.
(Also would it be worth upgrading to a 990FX board just to run SLI but i will end up keeping my 1055t because my love for it is to much. Then would it be worth buying a second GTX 470. Or scraping the first GTX 470 all round and going with a new generation of graphics card.) My only problem will be will be the switching back from SLI to Independent computing when i want to game. Will I also be able to use one GPU for folding@home and the other for gaming.)
A 1055t-1090t can complete a -bigadv dedicated with a lot of time to spare on the deadline and it can complete one with a bit of usage out of folding here and there.

From the way that I understand it the 2500k and the 1055 is fairly equivelent with the 2500k being a slight leader. With that said yes you will have to run it 24/7 and gaming is more then likely out of the question. As I found even having a chrome browser open with maybe an hour or two of video watching in MPC a day slows the folding down to much. If you are able to give it 22 hours of uninterrupted folding you may have good results though. I may be wrong but thats how I understand it
post #19 of 38

Yes, RAM speeds matter for the -bigadv units.

 

My 2500K at 4.7 GHz with 1600 MHz CL8 RAM could complete some of the -bigadv units within the QRB deadline, but I could not complete the biggest -bigadv unit in time for a bonus, which defeats the entire purpose of folding -bigadv. At the time there was one that was bigger than the other two.

 

It wasn't worth it for me at 4.7 GHz. I think that at 4.9+ GHz on the 2500K, with my RAM, -bigadv might have been alright but I wasn't willing to dedicate my rig to 24/7 folding at the time.

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post #20 of 38
Thread Starter 
Wow, so I followed the links to install Linux (Slackware) and it led me to the software sets for Intel systems. There must be a hundred or more files there. Do I need to download every single file in a software set individually? There is an install guide on the site, but this is new to me, and the instructions seem like they are made for someone who has installed Linux before.

Would Ubuntu be an easier install?
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