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Merge pull request #125 from fverdugo/p_sparse_matrix_refactoring
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P sparse matrix refactoring
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@fverdugo
fverdugo authored Jan 21, 2024
2 parents 25ed3ef + b7bc762 commit 3f19c33
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28 changes: 28 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -5,6 +5,34 @@ All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).


## [0.4.0] - unreleased

## Changed

- Major refactoring in `PSparseMatrix` (and in `PVector` in a lesser extent).
The old code is still available (but deprecated), and can be recovered applying this renaming to your code-base:
- `PSparseMatrix -> OldPSparseMatrix`
- `psparse! -> old_psparse!`
- `pvector! -> old_pvector!`
- `trivial_partition -> old_trivial_partition`

- The default parallel sparse matrix format is now split into 4 blocks corresponding to own/ghost columns/rows.
The previous "monolithic" storage is not implemented anymore for the new version of `PSparseMatrix`, but can be implemented in the new setup if needed.
- `emit` renamed to `multicast`. The former name is still available but deprecated.

## Added

- Efficient re-construction of `PSparseMatrix` and `PVector` objects.
- Functions `assemble` and `consistent` (allocating versions of `assemble!` and `consistent!` with a slightly different
treatment of the ghost rows).
- Function `consistent` for `PSparseMatrix`.
- Functions `repartition` and `repartition!` used to change the data partition of `PSparseMatrix` and `PVector` objects.
- Functions `psystem` and `psystem!` for generating a system matrix and vector at once.
- Function `trivial_partition`.
- Support for sub-assembled matrices in `PSparseMatrix`.


## [0.3.4] - 2023-09-06

### Added
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2 changes: 1 addition & 1 deletion Project.toml
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@@ -1,7 +1,7 @@
name = "PartitionedArrays"
uuid = "5a9dfac6-5c52-46f7-8278-5e2210713be9"
authors = ["Francesc Verdugo <[email protected]> and contributors"]
version = "0.3.4"
version = "0.4.0"

[deps]
CircularArrays = "7a955b69-7140-5f4e-a0ed-f168c5e2e749"
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Registration pull request created: JuliaRegistries/General/99265

Tip: Release Notes

Did you know you can add release notes too? Just add markdown formatted text underneath the comment after the text
"Release notes:" and it will be added to the registry PR, and if TagBot is installed it will also be added to the
release that TagBot creates. i.e.

@JuliaRegistrator register

Release notes:

## Breaking changes

- blah

To add them here just re-invoke and the PR will be updated.

Tagging

After the above pull request is merged, it is recommended that a tag is created on this repository for the registered package version.

This will be done automatically if the Julia TagBot GitHub Action is installed, or can be done manually through the github interface, or via:

git tag -a v0.4.0 -m "<description of version>" 3f19c332cb5212ccc412e76c3d2eff5cddf85b36
git push origin v0.4.0

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