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Altera_Forum's avatar
Altera_Forum
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8 years ago

Host Channel Support for 17.0

Best I can gather, there should be support for host/FPGA channels as of 17.0 for cross communication. I cannot, however find any documentation on them, most importantly how to implement them from bot...
Altera_Forum's avatar
Altera_Forum
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8 years ago

You can check OpenCL's clEnqueueMapBuffer() function and/or the concept of host pointers in OpenCL to see if they serve your purpose. I am not sure how much these are supported by Altera (Altera's documents detail what is supported and what is not) or how memory consistency would work in this case.

P.S. The standard clEnqueueRead\WriteBuffer functions have their own return, and can also be configured as non-blocking where an OpenCL event can be used on the host to determine when they finish.