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The error message for large cl_mem is:
Error: Requested memory object size exceeds device limits.
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Please post the part of your host code that is generating that error message, alongside with actual values for all parameters passed onto that function. Your very likely have a mistake somewhere in your host code.
Also you should never write your code in a way that you need to split your buffers on the host, or pass 100 parameters to the kernel. This is certainly not the correct way to write OpenCL code. If you are not familiar with OpenCL, I strongly recommend looking at some basic non-FPGA examples and write some basic OpenCL code on CPUs and GPUs first and then move onto to FPGAs. Altera also has a lot of examples here (
https://www.altera.com/products/design-software/embedded-software-developers/opencl/developer-zone.html) which you can look at.
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