JuliaGaussianProcesses / JuliaGaussianProcesses/ParameterHandling.jl
Increased AD compilation times induced by the change in #67
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- Dominant language
- Julia
- Stars
- 74
- Forks
- 10
- PR merge metrics
- No merged PRs in 30d
Description
While the compiled function runs much faster due to type instability, for bigger tuples this leads to a blowup of compilation time for Zygote when differentiating through the unflatten function defined recursively (unsurprisingly perhaps). We should maybe add an rrule.
Contributor guide
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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.
Research direction
Start by locating the recursively defined unflatten function and reviewing the change in #67. Measure compilation time when Zygote differentiates through unflatten for bigger tuples, then verify that the completed work avoids the compilation-time blowup while preserving differentiation behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- julia
- Domain
- performance, tooling
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100