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Add support for 4:2 compressors #6

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antonblanchard opened this issue Oct 4, 2022 · 0 comments

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antonblanchard commented Oct 4, 2022

4:2 compressors are logically 2 full adders cascaded. The multiplier in Bluegene Q uses them and it might improve area and frequency a bit.

To make this worth it, we'd need to create 4:2 compressor standard cells since none of the Open Source standard cell libraries contain one.

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