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firemars
Journeyman III

Shared memory by multiple devices on Fusion APU

On Fusiong APU, is it only windows platform supporting the shared memory between multiple devices, like GPU and CPU?

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mcdelorme
Adept I

Re: Shared memory by multiple devices on Fusion APU

What exactly do you mean by "share memory"?  The hardware itself dictates that the GPU's global memory uses the same physical memory DIMMs as the CPU, so yes, in that sense they "share" memory.

If you're talking about zero copy functionality in OpenCL, Linux currently does not support any zero copy memory objects.

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Mike

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