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Comment by dmitrygr

> Above is the logic path isolated as one of the longest combination paths in the design, and below is a detailed report of what the cells are.

which is an argument that "fpga_pio" is badly implemented or that PIO is unsuitable for FPGA impls. Real silicon does not need to use a shitton of LUT4s to implement this logic and it can be done much more efficiently and closes timing at higher clocks (as we know since PIO will run near a GHz)

parent dmitrygr 7 months ago

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