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Helpful ReplyFolding@home Core 17 Update video

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TheWolf
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Re:Folding@home Core 17 Update video 2013/06/30 03:31:01 (permalink)
rjohnson11

Yep and it downloaded into my FAH GPU Tracker V2 which caused it not to work. I removed it and deleted the files associated with it.


Wonder if the version number of the v6 your using had anything to do with it not working?
I was able to fold and complete a p8900 with Version 6.41r2.
post edited by TheWolf - 2013/06/30 03:32:37

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Xavier Zepherious
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Re:Folding@home Core 17 Update video 2013/06/30 07:53:07 (permalink)
but if i remember right Vijay said they will develop a new core using CUDA after this core is done and after Nvidia releases the JIT compiler
if you just recompile the core - then core 17 will be cuda and not opencl - and then cross support will be lost again
 
I suppose you could add additional support for cuda in the core and have both OpenCL and CUDA in it - but it would enlarge the core
 
Id rather have it that we have two cores - then issues or rebuilds on cores can be isolated to either a particular build of Opencl or Cuda


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TheWolf
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Re:Folding@home Core 17 Update video 2013/11/25 03:05:39 (permalink)
Pretty old thread to bring back up but I was watching the video again in the OP.
I didn't re-read the whole thread again, but don't think anyone caught how he compaired
how much faster core 17 is suppose to be from core 15 and 16. If this had been done on even ground I don't think we would see much of a difference.
They used PPD of the old and PPD of the new to make core 17 look like its faster lol
where as "if" core 15 and 16 had had QRB as core 17 does I don't think we see that much of a difference.
So in reality core 17 is at most no faster than what we had it only allows more PPD because of QRB.
I don't think the work is getting done any faster now than before, actually some of the newer WU take longer to complete.
And core 11 never got any love to start with it still has the low base points it always had were core 15 did get some boost
or change to it points value along the way.
 
Edit: not to mention core 17 needs use of a full CPU core in order for it to do its work at max speed where core 15
and core 11 only need a very small use of a core 1 to 2 % of a core not 100% of a single core for Nivida video cards.
So this in turn hurt how much PPD you could make from SMP folding and its QRB.
Maybe one day Nvidia will fix the core usage but for now we are taking a big hit on SMP folding because of core 17 were we didn't before.
So you also need to remove some of the PPD so called gained by core 17 to compensate for the loss to SMP folding PPD.
post edited by TheWolf - 2013/11/25 03:29:05

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Re:Folding@home Core 17 Update video 2013/11/25 10:42:11 (permalink)
The old cores' work wouldn't be valued as highly even with QRB.  The ability of core 17 to do explicit calculations is a big deal when compared to the old cores' limitations to only doing implicit calculations.


 
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Re:Folding@home Core 17 Update video 2013/11/25 11:27:36 (permalink)
Here are 2 work units worked on the same video card a 460M with the use of the same K Factor.
You can't compare apples to oranges "as they like to say at FF Forum" unless you put them
both on the same level playing ground that being having all the same specs with or without a K Factor.
All I'm saying here is use of PPD as a speed reference for the two is a very poor example of the real facts or speed gain of 17 over 15.
Very misleading concerting one has QRB and the other doesn't one use a full CPU core to help it were the other doesn't.
A statement by PG also said QRB would be impaled to all current GPU work units but that hasn't happened either as core 15 was current at the time and is still in use.

post edited by TheWolf - 2013/11/25 12:14:22

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