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Number crunching :
Trouble with a Titan Black
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Author | Message |
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Send message Joined: 1 Dec 10 Posts: 82 Credit: 15,452,009,012 RAC: 0 |
I have just put a Titan Black into my computer for it's double precision capabilities but it is slower than the HD 7970 that was there before. I have enabled double precision in the driver. It is only showing 4GB of Vram in Boinc when it has 6GB. I am running Win 7 x64 Any help would be appreciated |
Send message Joined: 22 Apr 09 Posts: 95 Credit: 4,808,181,963 RAC: 0 |
My guess is that Titan Black shows its full strength only with CUDA applications. |
Send message Joined: 1 Dec 10 Posts: 82 Credit: 15,452,009,012 RAC: 0 |
Hi Vortac, Yes I think you are right, not to worry it is still a good card. Thanks |
Send message Joined: 24 Dec 12 Posts: 6 Credit: 2,720,018,100 RAC: 0 |
The key is to run seven (7) task concurrently since approximately 14% of the TITAN GPU core is used for one MW task. Running seven (7) at the same time with DP enabled gets you around 99% GPU utilization and then will the card start to match or outperform a 7970 or 280x card. |
Send message Joined: 1 Dec 10 Posts: 82 Credit: 15,452,009,012 RAC: 0 |
Hi RaymondFO* My apologies for not responding sooner I was not aware of any further response to my post. You are absolutely correct with 7 which I discovered by trial and error and are how they have been running for a while. Thank you for your input it is appreciated. |
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