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SME Binning

This project aims to construct binning hardware.

It is given an array of values, which it puts into bins according to given corresponding indices. Input comes from ethernet, which is why the input buffer (BRAM0) is set to be of size 4096 (2^(ceil(log_2((9*1024)/4)))). The target output buffer (BRAM1) ranges from 10000 to 100000. Converted to logarithmic, it becomes 16384 (2^(ceil(log_2(10000)))) to 131072 (2^(ceil(log_2(100000)))).

E.g.

vals = [2, 6, 7, 4, 2]
inds = [0, 0, 1, 2, 0]
results = [10, 7, 4]

This project have succesfully been placed and routed on two FPGAs. Results are with an output buffer of 10000. To get the results with an output buffer of 100000, the utilization is 10 times bigger, as the biggest resource consumption is Block RAM.

  • Xilinx Zynq Z7020 at 100 MHz at ~10 % utilization, resulting in an inner processing speed of 32 x 100 = ~3200 Mbps per unit. I.e. 3200 x 10 = ~3200 Mbps = ~32 Gbps
  • Xilinx Kintex Ultrascale+ xcku5p at 590 MHz at ~3 % utilization, resulting in an inner processing speed of 32 x 590 = ~18880 Mbps. I.e. 18880 x 33 = ~623040 Mbps = ~623 Gbps

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