Forum > GPU crunching
newer than x32f ?
Jason G:
--- Quote from: Claggy on 25 Feb 2011, 06:45:07 pm ---Edit: Cthulhu is already at 77 with his Radeon only host!
--- End quote ---
Oh No! PANIC! can't have that for too long :P
arkayn:
With the server problems and working on Aqua and Collatz, I slipped down to 483.
I was as high as 380 or so at one time.
Jason G:
More seriously I'd like to see a lot more Ati Cards getting up there soon. Not only would it place more development challenge on the table (always a bonus), but the bang for buck, in terms of both initial purchase & running costs, represented by the newer AMD cards looks pretty good IMO. It should begin to put at least some small amount of downward price pressure on nVidia products, as the OpenCL tools mature, and pressure for higher performance too.
I happen to prefer both the nVidia hardware & Cuda development tools etc, over OpenCL, mostly due to the level of maturity overall, and nVidia having had the wherewithall to front up the initial application development as a head start. As the OpenCL apps get more polished, the Cuda app will be entering its second generation, and We'll be expecting to push development into SaH V7. A mature OpenCL platform IMO can only help everyone involved.
Jason
arkayn:
My only problem with the OpenCL app right now is the skewing of the DCF I was seeing on my ATI machine. It might have been a combination of factors of using the rescheduler on all those vlars that were going -177.
Right now my machine has 435 units on board and it things it will take almost 135 days to complete them. DCF was at 0.7 last I checked. Currently on NNT.
Helli:
--- Quote from: Jason G on 25 Feb 2011, 10:44:06 am ---
--- Quote from: Skywalker66_Bln on 25 Feb 2011, 10:31:57 am ---Can i help ????
--- End quote ---
Nope, Sorry. The community was so utterly helpful in accelerating development that I managed to refine the entire first 60% of Multibeam Code 'out of branch', within the Powerspectrum Unit tests. (in the timeframe of a couple of weeks)
As you can imagine, incorporating an entire rewrite of 60% of the Cuda application from those developments is still going to take me some time to accommodate, and I'm fairly thinly spread at the moment. It will take some time & dedication to incorporate properly.
Plan A is to let the Ati stuff catch up a bit first, so we can have some pressure on us before optimising the pulsefinding code, that is the real challenge (remaining ~40%). Plan B, should the Ati stuff catch us earlier than expected, is under my hat :-X
Jason
[PS:] Plan C is that nVidia ships me a truckload of money, much of which would be donated to SaH, so we can stay in front of these AMD clowns. This Plan Is GOOOD IMO, and would preempt plans A & B
--- End quote ---
Uhm, sounds not promising and like a neverending Story to me. Well, i will keep my GTX465/GTS450 and maybe
GTX590 until - 2013 to test this Cuda Client. ;)
Helli
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