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An idiots guide - Linux SMP on a Windows box - Page 4

post #31 of 147
Quote:
Originally Posted by Muhahahaha View Post
Nvm, got it to work.

But my PPD is HORRIBLE! Only 229 for one VM and 127 for the other. WTH? HELP!

Even my GPU is suffering, down to 1312 PPD. I was getting a total of 6k PPD before, and now it's only 1670! I thought Linux was supposed to be better?

PPD, check it occsionally, mine started out real slow too, it seem to take a bit of time to get the grove on what the real PPD is.

Two -smp clinets and the GPU2 can be taxing on the system.
After checking on the PPD issue and confirming its up to par, you could try suspending one of the -SMP to see if the PPD on the GPU2 is improved.

So just wait it out for a day or so to see how the FahMon adjusts for the PPD
    
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post #32 of 147
Quote:
Originally Posted by Muhahahaha View Post
Nvm, got it to work.

But my PPD is HORRIBLE! Only 229 for one VM and 127 for the other. WTH? HELP!

Even my GPU is suffering, down to 1312 PPD. I was getting a total of 6k PPD before, and now it's only 1670! I thought Linux was supposed to be better?
OK. I think I know the problem. The 4 cores might be trying to work on different tasks at the same time. What I would do is go to task manager and set the affinity for SMP to cores 1 & 2. The GPU2 to core 3. And the other GPU2 to core 4. That way each core has it's specific task.
    
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post #33 of 147
What do you mean "other" GPU2? I only have one video card. Thanks for the help everyone, but some of these posts don't even make sense.
    
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post #34 of 147
Quote:
Originally Posted by Muhahahaha View Post
What do you mean "other" GPU2? I only have one video card. Thanks for the help everyone, but some of these posts don't even make sense.
Sorry. I misunderstood. I thought you had 2 GPU clients. Set one core for the GPU. And set the other 3 cores for the SMP. That should speed up both.
    
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post #35 of 147
Well he is on Vista - the GPU efficency on folding is pretty good... GPU folding only loads one core at 5-8% so he doesn't need to change much

What I would do is the following: make sure Fahcore_11 (GPU folder core) has acess to all cores - by default, it only gets one core. Make sure VMWare installs all have acess to unique cores... yes, they all support two cores, but make sure those cores don't overlap. Go into your .VMX Vmware config file and change your Process priority to "idle" to allow full GPU folding w/SMP folding. SMP folding (in my case) did not take a hit at all doing this.

Make sure FahMon uses the "use all frames" method to calculate PPD or else you will suck. and close FahMon when not in use - leaving it open has been known to suck PPD
    
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post #36 of 147
Nvm, I got it working. Apparently my machine doesn't like Amber cores. It's only worth like 50 points, but for me it was taking forever! I turned the -advmethods flag off to force it to give me SMP Gromacs, and it's much better now. Over 8k PPD.

Edit: REP+ to everyone who helped. Thanks all!
Edited by Muhahahaha - 7/13/08 at 9:20pm
    
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post #37 of 147
Nice work more people will be able to use my ubuntu setup and increase ocn ppd.
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post #38 of 147
Quote:
Originally Posted by Bal3Wolf View Post
Nice work more people will be able to use my ubuntu setup and increase ocn ppd.
yeah your setup is really nice... My only gripe with it is how long it takes to start up though... sometimes on my slower laptop it can take almost 30 minutes before it starts folding... desktop takes ~minute

none the less, an amazing distro, and VERY easy to set up with this guide
    
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post #39 of 147
Thread Starter 
Quote:
Originally Posted by Bal3Wolf View Post
Nice work more people will be able to use my ubuntu setup and increase ocn ppd.
that was my hope

rep should go to you as your ubuntu makes it easy as pie
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post #40 of 147
what do you use to close the vmware player, while its folding.

"ctrl + c" then sudo halt?
or what method have you been using?

apparently i've gotten an error while folding;

[17:51:07] Preparing to commence simulation
[17:51:07] - Ensuring status. Please wait.
[17:51:24] - Looking at optimizations...
[17:51:24] - Working with standard loops on this execution.
[17:51:24] - Previous termination of core was improper.
[17:51:24] - Going to use standard loops.
[17:51:24] - Files status OK
[17:51:25] - Expanded 2446905 -> 12886013 (decompressed 526.6 percent)
[17:51:26] - Checksums don't match (work/wudata_06CP.arc)
[17:51:26] - Attempting to revert to backup...
[17:51:26] - Checksums don't match (work/wudata_06CP.arc.b)
[17:51:26] - Could not revert
[17:51:26] - Starting from initial work packet

then it proceeded to get a new project.
whenever i need to close vmware, i always press ctrl + c, then type in sudo halt.

is there a better way / more efficient way to close it?
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