Forum Discussion

RElna's avatar
RElna
Icon for New Contributor rankNew Contributor
6 years ago

How OpenCL SDK memory access code is mapped to SDRAM ?

Hi, I was wondering if someone can guide me on how opencl sdk operations are mapped to memory. For example, if we define a global buffer input data variable, would this be mapped to SDRAM or FPGA RA...
RElna's avatar
RElna
Icon for New Contributor rankNew Contributor
6 years ago

Thanks for your reply. Can you guide me to a reference where I can read more about the mappings ? I have searched online a lot and I could not find a definite answer.

I also would like to know how to access HPS SDRAM from the opencl code.

HRZ's avatar
HRZ
Icon for Frequent Contributor rankFrequent Contributor
6 years ago

I remember the mapping was mentioned in the guides before but I cannot seem to find it anymore. You can check the following tutorial from Intel, though:

https://www.youtube.com/watch?v=1zGpN28mXN4

And the main OpenCL guides can be found here:

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/opencl-sdk/aocl-best-practices-guide.pdf

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/opencl-sdk/aocl_programming_guide.pdf