Replace some maps with `TimeSliceID`s as keys in agent investment code with simple `Vec`s
Nobody has claimed this yet.
Assessment
- Difficulty
- 5/5
- Estimated time
- Over a week
- Newbie friendliness
- 35/100
Research direction
Locate the agent investment code and identify the maps keyed by TimeSliceID, along with the flow and demand maps mentioned in the issue. Trace how values are accessed across time slices before deciding which Vec layouts preserve ordering and behavior. Done means the relevant maps are replaced with ordered Vec-based structures and the affected code still works.
Written by the indexing model from the issue text.
Description
(The Vecs should be ordered by TimeSliceID, obviously!)
I think this will make the code simpler and will also be much easier for the compiler to optimise. We don't care about performance that much at this stage, but it seems sensible to try to get the design right sooner rather than later.
As part of this I think we should change various flow/demand maps to be something like HashMap<(CommodityID, RegionID>, Vec<Flow>> instead, so we can get the values for all time slices in one step.
- Dominant language
- Rust
- Stars
- 8
- Forks
- 5
- Avg merge
- 11h 31m
- Merged PRs (30d)
- 33
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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