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Banking on higher dimensions

Altera_Forum
Honored Contributor II
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Hi all, 

 

I have a 2D array like this: 

 

int x8]; 

 

I want AOC to bank the memory on the upper (bolded) dimension. By default, AOC only banks on the lowest dimension, which is not what I want. I have tried using attributes like so: 

 

 

int x __attribute__((bank_bits(5,4,3),bankwidth(32))); 

 

But AOC complains that bank bits 4 and 5 exceed the address width of [2:0]. I have been following the example for bank_bits given in the Intel OpenCL for FPGA Best Practices Guide.  

 

I suspect this is some kind of dumb mistake on my part, but I can't see the problem so far. Any help would be appreciated.
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