OpenCLLink`

OpenCLMemoryCopyToHost

OpenCLMemoryCopyToHost[mem]

force copies OpenCLMemory from the GPU to the CPU.

Details and Options

First, load the OpenCLLink application:

This loads the Range[10] list into OpenCLLink:

This gives information about the returned memory. Notice how the "DeviceStatus" is "Uninitialized":

This forces a copy from the host memory (CPU) to the device memory (GPU):

This gives information about the returned memory. Notice how both "HostStatus" and "DeviceStatus" are "Synchronized":

This will perform an unnecessary copy from the device to the host:

The information is not changed:

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