SMP only using 67%?

tinytomlogan

tinytomlogan

The Guvnor
Staff member
FH_zps688f3e7f.jpg




Hey boys Ive got the 2x 2687 V2 Xeons running - 12 Cores and 24 Threads each!

Trouble is SMP doesnt use all of the cores, Ive got BigAdv ticked, use all CPU cores and advmethods all enabled / ticked so have I missed something like a n0000b?

Link for image so you can zoom in: http://i205.photobucket.com/albums/bb298/tinytomlogan/FH_zps688f3e7f.jpg
 
The image isn't as clear Tom, I can't read shit on the image through the link, and I'm even wearing my glasses.
 
It looks like you're using GPU Tracker? Get the v7 client from http://folding.stanford.edu. Then you just need to set bigadv and make sure the slider for CPU usage is at 100% under the Advanced Tab in the Configure section.
 
In FAHControl click Configure -> Slots tab -> Highlight cpu slot -> Edit button.

Scroll to the bottom and click the add button. For name put client-type. For Value put bigadv.

Edit: Anyone know if bidadv WUs work on Windows again or are they still Linux only?? I had forgotten about that, but was reminded on this page: http://folding.stanford.edu/home/guide/configuration-guide/#ntoc7
 
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hmmblah said:
In FAHControl click Configure -> Slots tab -> Highlight cpu slot -> Edit button.

Scroll to the bottom and click the add button. For name put client-type. For Value put bigadv.

Edit: Anyone know if bidadv WUs work on Windows again or are they still Linux only?? I had forgotten about that, but was reminded on this page: http://folding.stanford.edu/home/guide/configuration-guide/#ntoc7
Click to expand...

Ive got 24 cores and 48 threads available - its saying 32 is my maximum

Do I need to run two clients and double up?


Edit - running GPU tracker too and its maxing all cores.

97k on one - 90k on the other Im assuming that is without the bigadv bonus?
 
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lol@ the thread graph o.O that's awesome and something I'll probably never see with my own eyes for sure.

Anyway, I didn't think there was a limit to the # of cores? Maybe you need the v7 client? From http://folding.stanford.edu/home/faq/faq-smp/:

-----
How many cores do I need?
FAH can run on any PC CPU but it’s the SMP methodology which allows multiple cores to process a single job cooperatively and more productively. There is no upper limit to the number of CPU cores that can be used for SMP.

We have seen reports of occasional problems during processing if FAH is using an odd number of processors greater than five. One and three are usually fine, but problems sometime occur on seven, nine, eleven, etc. numbers of cores. The problem relates to how Gromacs splits up the work and allocates it to each processor. We are working to resolve this unusual issue, which affects very few users. Changing the number of utilized cores is typically an advanced/expert option.
 
upinesay said:
lol@ the thread graph o.O that's awesome and something I'll probably never see with my own eyes for sure.

Anyway, I didn't think there was a limit to the # of cores? Maybe you need the v7 client? From http://folding.stanford.edu/home/faq/faq-smp/:

-----
How many cores do I need?
FAH can run on any PC CPU but it’s the SMP methodology which allows multiple cores to process a single job cooperatively and more productively. There is no upper limit to the number of CPU cores that can be used for SMP.

We have seen reports of occasional problems during processing if FAH is using an odd number of processors greater than five. One and three are usually fine, but problems sometime occur on seven, nine, eleven, etc. numbers of cores. The problem relates to how Gromacs splits up the work and allocates it to each processor. We are working to resolve this unusual issue, which affects very few users. Changing the number of utilized cores is typically an advanced/expert option.
Click to expand...

with V7 and following blahs advise it wasnt loading up all cores and only utilising 67%

Ive just opened GPU tracker too and got it all maxed out but the PPD is the same on both as if they were running on their own.

If I can get SMP running 100% and giving me 180K PPD+ then Ill do it.

Ive not done this for a while but the idea is to use this to bring some new blood into the team


edit -

cut_zps7f788d76.jpg




It wont let me set more than 32 threads and thats the 67% limit

If I set 12 cores for V7 and 12 cores for GPU Tracker the PPD drops to about 65k each
 
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I'm guessing that tom's machine is a 600K+ PPD beast in Linux, not so good in Win:(

Unfortunately only one team member that I'm aware of has any recent BigAdv experience, and he hasn't chimed in yet...
 
BigAdv, is Linux only as fair as im aware, i read a article earlier saying that.

Tom unless you use windows server you wont get applications to access all 48 cores.

my advice, download Linux flavour (Kubuntu) set it up for bigadv and let it run, also you need to complete a minimum of 10 WU i think before it gives you bigadv
 
stevehat1 said:
I'm guessing that tom's machine is a 600K+ PPD beast in Linux, not so good in Win:(

Unfortunately only one team member that I'm aware of has any recent BigAdv experience, and he hasn't chimed in yet...
Click to expand...


If its 600K PPD it may be worth having a play with, just I have 0 experience with that so I may become a complete PITA asking questions!
 
todays Linux distros are not that bad, the reason i say use Kubuntu as its a lightweight Ubuntu alternative, and the masses of how to's and guide for Ubuntu are countless.

and ask as many questions as needed, theres enough of us on here to see it works right, id love to see the PPD
 
MrKambo said:
todays Linux distros are not that bad, the reason i say use Kubuntu as its a lightweight Ubuntu alternative, and the masses of how to's and guide for Ubuntu are countless.

and ask as many questions as needed, theres enough of us on here to see it works right, id love to see the PPD
Click to expand...


Be nice to get the points for the team, I was going to do some F14R folding too to get that up the team list

I need to get things sorted so I can make some videos and bring in some new blood - that was a warning btw :D
 
I haven't been here for a few days, so I am reading it only now. The F@H client in Windows is 32 bit and therefore limited to 32 core WUs too. Even with FAH tracker like you used in the video, the WU is not running with full 48 thread support, but 32 threaded and then the program forces 48 threads on it. For some WUs it actually won't run 48 threads. If you let it run for a while you'll see what I mean.

The only 64 bit F@H SMP clients are available for Linux. Ubuntu 12.10 would be good for your system, and don't use the new client. The V6 is much faster

tinytomlogan said:
If its 600K PPD it may be worth having a play with, just I have 0 experience with that so I may become a complete PITA asking questions!
Click to expand...

I've talked to people who use your type of a system for folding before. With P8101 WUs you'll actually come close to 450k PPD and with P8102-8105 it would be close to 680k PPD. For some reason it outperforms the AMD servers with the P8101 WU, however it is behind in other WUs.

If you don't get P8101 to P8105 WUs, your system is not set up right. I could install F@H and Linux on my System for testing purposes, and check out what WUs you'd get. The P8101 is so huge for my 4930k @ 4.5 GHz it will take almost 3 days to fold.

But if you need any type of help I will be around from now on more often to help you set this up right.
The setup is rather easy with Linux because the SMP F@H-community is very strong in Linux...

MrKambo said:
Tom unless you use windows server you wont get applications to access all 48 cores.
Click to expand...

The problem is not Windows 7/8 vs. Win Server. The problem is that 99% of all programs are really 32 bit when it comes to core support. 32Bit means 32 cores. Even simple programs such as AIDA64 (which you'd think are 64Bit) only with the last version jumped the 32 core/thread barrier or not at all. 32 cores or more is hard to crack so few programs are made for that.

Cinebench 11.5 is another good example. It will start just fine, but automatically run with only 32 cores/threads. You have to manually adjust to 48 in order to get it running right.

OCCT won't start, and neither will Fraps for example. It had problems with 16 cores or more. I hope they fixed it by now.
 
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tinytomlogan said:
This seems to be the best mix of PPD from the rig on windows

340ka_zpsed5276cc.jpg
Click to expand...

Yeah Windows sucks for SMP folding.

I think you ought to get 550k PPD on average with Linux. And that system will be pulling like only 450W from the plug. If you're a little lucky with the WUs you might even crack the 700k PPD...

Especially if you raise the BaseClock one or two MHz...

But check again in terms of CineBench. I don't know if you noticed but you used only 32 threads running CineBench too...

By the way: Ubuntu Linux installation + setting it up for F@H is like 20 minutes. It's really easy, and you don't even need a fast SSD or something. The client creates a RAMdisk to run off... I'm there whenever you need me to quadruple your PPD in terms of SMP folding ;)
 
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