Forum > GPU crunching
AstroPulse for ATI GPUs released
cristipurdel:
Everything is upside down down there. Even when you flush the toilet, water spins in the wrong direction :)
Raistmer:
Does anyone use OpenCL AP under Windows 7 x64 with HD4xxx GPU ?
I see VERY poor performance with Windows 7 x64 + Cat 10.10 on HD4870 on 2 hosts already while one of them if working under Vista x86 + Cat 10.10 shows just OK performance....
cenit:
--- Quote from: Raistmer on 03 Nov 2010, 10:25:39 am ---Does anyone use OpenCL AP under Windows 7 x64 with HD4xxx GPU ?
I see VERY poor performance with Windows 7 x64 + Cat 10.10 on HD4870 on 2 hosts already while one of them if working under Vista x86 + Cat 10.10 shows just OK performance....
--- End quote ---
When I was testing your AP app I was on Windows 7 x64, and my GPU is a 4870 (512MB). I was not under Cat 10.10, there were older ones. But performances were really good. Nothing different from Vista x86, which I had but now I had removed completely (so I cannot even try now to see if latest cat version did something bad on win7)
I saw your posts on opencl ati forums, let me say that it seems a really strange behavior. Are you sure you do not have anything wrong on "your" side (misconfigs...)?
Raistmer:
I see this on 2 hosts already. Both are fresh installed Win7 x64 + Cat 10.10 + SDK 2.2.
skildude:
I've updated and have it running on my 4770. I'm running Milkyway at the moment and it appears to have knocked most of my work down from around 5 minutes to 4:30. So I am seeing an improvement on MW
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