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How much of a Folding @ Home PPD performance penalty do yo guys think would result if I started running Boinc (ex for Seti@Home) with it's Nvid GPU client. I'm folding with two Gtx 260's in two seperate rigs. (Core 216 oc'd).

This is a link to BOINC :

http://boinc.berkeley.edu/download.php

You mean running the BOINC client on at least one of the GTX 260's as well as GPU folding? Both of them will be fighting for GPU resources and both should suffer. Or worse yet, Nvidia drivers don't support something like that and both client crash (or one of them does).

Why speculate? Test it?

If you are not into S@H for points, one way you can do is to configure S@H to use CPU only, then given enough cores the clients should happily co-exist.

Flying Fox wrote:

You mean running the BOINC client on at least one of the GTX 260's as well as GPU folding? Both of them will be fighting for GPU resources and both should suffer. Or worse yet, Nvidia drivers don't support something like that and both client crash (or one of them does).

Why speculate? Test it?

If you are not into S@H for points, one way you can do is to configure S@H to use CPU only, then given enough cores the clients should happily co-exist.

Brilliant!!