Forum > GPU crunching
x38g reports
Claggy:
--- Quote from: Jason G on 12 Jul 2011, 05:30:45 pm ---
--- Quote from: Claggy on 12 Jul 2011, 03:35:49 pm ---Raistmer hasn't spoken about doing any api changes on any of his apps for Cuda 4 drivers, his apps also consume large amounts of CPU time
[Edit:] do newer Ati drivers 'appear' to be getting slower as well for old-school coding techniques ?
--- End quote ---
--- End quote ---
Don't know, don't actively run any Native ATI CAL projects, i used to run Collatz, but don't anymore, i've found SDK_2.4 speeds up OpenCL work on my HD5770,
but Raistmer has found slowdowns/instability with Cat 11.6/SDK2.4 on his HD69** when using his OpenCL apps
Claggy
Jason G:
OK, thanks both, they could be at some intermediate stage with those too, making things look 'weird'. On the Cuda side I'll test/check a few things to do with the 'unified memory model' while ironing out some of the V7 code.
Jason
perryjay:
Well, I've decided to give Claggy's idea a try. I've set mine to .51 for the APs and .49 for the MB CUDA tasks. I hope it works for me. Right now I'm running two MB tasks so it will have to wait until I get some more AP work.
Claggy:
--- Quote from: Jason G on 12 Jul 2011, 05:30:45 pm ---
--- Quote from: Claggy on 12 Jul 2011, 03:35:49 pm ---Raistmer hasn't spoken about doing any api changes on any of his apps for Cuda 4 drivers, his apps also consume large amounts of CPU time
[Edit:] do newer Ati drivers 'appear' to be getting slower as well for old-school coding techniques ?
--- End quote ---
--- End quote ---
I've grabbed a few Collatz_mini Wu's, with Cat 11.6/SD2.4 my first Wu's completed in 6 min 15 secs & 6 min 12secs, down from average of ~6min 31 secs which would have been done with Cat 10.xx over 6 months ago,
Claggy
Slavac:
Wish I could be more help, I'm still dealing with downclocking issues.
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