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 GPU3 clients and 200 series GPUs

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ExtremeGrandpa
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Age : 47
Location : Goldsboro, NC

PostSubject: GPU3 clients and 200 series GPUs   Sun Jun 06, 2010 6:52 am

It has come to my attention that you will experience a PPD decrease if you run the 200 series GPUs with this client. Current findings say between 20% to 35% decrease has been noted.

before running this client on your older series GPUs please take this into consideration.

EG
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mrinfinit3



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Join date : 2010-06-07
Age : 35
Location : Southern California-USA

PostSubject: Re: GPU3 clients and 200 series GPUs   Wed Jun 09, 2010 5:39 am

Admin wrote:
It has come to my attention that you will experience a PPD decrease if you run the 200 series GPUs with this client. Current findings say between 20% to 35% decrease has been noted.

before running this client on your older series GPUs please take this into consideration.

EG

Just to clarify for ya EG... This only effects non-FERMI based gpus... Anything prior to the GTX400 (fermi) series GPU do in fact suffer a small PPD decrease. Wink
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ExtremeGrandpa
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PostSubject: Re: GPU3 clients and 200 series GPUs   Wed Jun 09, 2010 7:35 am

Yep you are correct anything but fermi GPUs take a hit.

So if you have 5 GTX 260s folding and you loose 20% across each GPUs PPD thats just like loosing a GPU.

For max PPD output its recommended the 200 series and previous versions revert back to the GPU2 client. Across a system like mine thats a serious hit in PPD production.

EG
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Mr_Scary



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PostSubject: Re: GPU3 clients and 200 series GPUs   Mon Sep 13, 2010 8:53 am

I did'nt realize this, I have been folding with GPU3 client on:
- 3 GTX285
- 4 8800GTS 512 sc
- 1 9800GT ssc

So I am probably losing quite a bit of PPD?

I have to identical systems running 2 8800GTs each.
I will fold 1 with GPU2, then the other with GPU3 and compare on fahmon.

is there a better monitor then fahmon.exe?
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Mr_Scary



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PostSubject: Re: GPU3 clients and 200 series GPUs   Mon Sep 13, 2010 11:13 am

Just wanted to confirm that this is true.
I think I will start using the GPU2 client on all my Rigs. as I do not own any fermi cards.

lines 1 and 2 are GPU3 client - on PC1
lines 3 and 4 are GPU2 client - on PC2

running 2 identical systems with 2 8800gts 512s

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ExtremeGrandpa
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PostSubject: Re: GPU3 clients and 200 series GPUs   Mon Sep 13, 2010 1:13 pm


You are correct that no longer holds true.

When GPU3 client was first released there was only a single WU, now they have several different ones.

My 470's got some WUs earlier that FAHMON has no clue what they are everything shows up as question marks.

EG
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Mr_Scary



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PostSubject: Re: GPU3 clients and 200 series GPUs   Mon Sep 13, 2010 7:18 pm

I'm not sure if there is a difference, but I did get another 9800GT running.
this is with GPU2 on all machines.



I guess its ok to fold leftover WUs from the other client ?????
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Mr_Scary



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PostSubject: Re: GPU3 clients and 200 series GPUs   Mon Sep 13, 2010 7:20 pm

Correction to last post...

OOOps thats the wrong image, I'll fix it. I think lost the one I took of all GPU2
above is actually the same config just added a 9800GT

This is all machines running GPU2 Client for Nvidia only - with Viewer



..
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