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18 lines
456 B
Plaintext
18 lines
456 B
Plaintext
# From https://github.com/cliffordwolf/icestorm/blob/be0bca0/icefuzz/timings_up5k.txt
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# NB: Inputs/Outputs must be ordered alphabetically
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# (with exceptions for carry in/out)
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# Inputs: I0 I1 CI
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# Outputs: CO
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# (NB: carry chain input/output must be last
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# input/output and have been moved there
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# overriding the alphabetical ordering)
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SB_CARRY 1 1 3 1
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675 609 278
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# Inputs: I0 I1 I2 I3
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# Outputs: O
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SB_LUT4 2 1 4 1
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1285 1231 1205 874
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