VLAR and VHAR

Message boards : Number crunching : VLAR and VHAR
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Profile Tim Norton
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Message 1014969 - Posted: 12 Jul 2010, 12:41:54 UTC

Have seen a lot of discussion on the VLAR and VHAR but am curious about what the difference is over normal WU

And also should you run them on CPU or GPU - is there any consensus or rules to follow?

Am experimenting with a reschedule program from eFMer and you can more both of them around between the CPU and GPU

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Message 1014983 - Posted: 12 Jul 2010, 13:29:18 UTC - in response to Message 1014969.  

Have seen a lot of discussion on the VLAR and VHAR but am curious about what the difference is over normal WU

And also should you run them on CPU or GPU - is there any consensus or rules to follow?

Am experimenting with a reschedule program from eFMer and you can more both of them around between the CPU and GPU

Views?

In my experience, VHARs don't seem to make a difference. On the other hand, VLARs take MUCH longer on my GPUs. This is apparently due to a defect in the original implementation of the CUDA app by NVIDIA, but what exactly is wrong, I don't know.

Anyone?

Bueller?

I shift VLARs to CPU to increase overall throughput.
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Profile Hellsheep
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Message 1014985 - Posted: 12 Jul 2010, 13:31:20 UTC

What jravin said is correct. Although VHARs actually sometimes run in under 30 seconds on my GPU. I move all VLARs to CPU unless i have a lack of GPU work. Usually it takes about 20-30 minutes longer for my GPU to run VLARs and it makes the system VERY sluggish.
- Jarryd
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Message boards : Number crunching : VLAR and VHAR


 
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