[Libre-soc-bugs] [Bug 713] PartitionedSignal enhancement to add partition-context-aware lengths

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Tue Oct 12 20:09:10 BST 2021


--- Comment #84 from Jacob Lifshay <programmerjake at gmail.com> ---
(In reply to Jacob Lifshay from comment #83)
> (In reply to Luke Kenneth Casson Leighton from comment #81)
> > cpart_wid = -min(-lane_shapes[i] // c for i, c in part_counts.items())
> > 
> > that's definitely dividing the lane_shape _total_ by the part count.

it's dividing the width of one lane by the number of parts in that lane,
getting the number of bits that lane needs per-part.
> that's because that's computing the width of *one* part. a single lane can
> occupy multiple parts (a lane occupies part_counts[i] parts)

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