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thank you for your answer. As I said before, the FIFO example is just an illustration. I am interested in this issue for every possible usage of the memory blocks.
Correct if I am wrong : whatever the type of memory block, and whatever the block configuration (simple port memory / dual port memory / FIFO /...), if do not use the entire block, addresses left are lost ?
There is not any optimization option that can allocate free space to other instances ? even with restrictions ?
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Once the memory access ports are used, unused addresses are lost. So, an 'optimal' implementation is to size the FIFOs/Memory/whatever to first use only the memory required, and then adjust the size to use all the memory in a memory block allocated (if the 'extra' memory will help).
Cheers,
Dave
Honored Contributor
