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cost models #121

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mmcloughlin opened this issue Oct 9, 2021 · 0 comments

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mmcloughlin commented Oct 9, 2021

Currently, addition chains are chosen with basic cost models: typically just length, but also #120 allowed weightings for add/double.

It could be good to support more complex cost functions. For example #54 suggested number of live variables, or estimate of pipeline stalls.

At the moment this issue is just a placeholder to record the idea and invite discussion.

mmcloughlin added idea low labels

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