mirror of
https://github.com/neocturne/MinedMap.git
synced 2025-03-04 17:23:33 +01:00
Matthias Schiffer
1d9be9a41c
Introduce the new features jemalloc (set jemalloc global allocator unconditionally) and jemalloc-auto (set jemalloc global allocator on musl-based targets to fix multithreaded performance, see [1]). Because cargo does not support target-specific features or feature defaults, the default is handled using a helper crate minedmap-default-alloc. [1] https://nickb.dev/blog/default-musl-allocator-considered-harmful-to-performance/
161 lines
5.6 KiB
Markdown
161 lines
5.6 KiB
Markdown
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## [Unreleased] - ReleaseDate
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### Added
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- Added jemalloc support to fix performace on musl targets
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The global allocator can be switched to jemalloc by enabling the `jemalloc`
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cargo feature now. This is not the default because it is not always faster
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than the default system allocator; in particular, the glibc allocator has
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slightly better performance in multithreaded mode. In addition, jemalloc
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uses a bit more memory.
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In addition, the `jemalloc-auto` feature has been introduced, which is enabled
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by default and sets the global allocator to jemalloc on platforms where it is
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clearly advantageous. For now, this is only done on musl-based targets, as
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musl's default allocator is very slow in multithreaded operation (which was
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making higher thread counts like `-j8` basically useless due to 7-8x
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slowdowns). With the new default, performance on musl is basically identical
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to glibc.
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Note that some platforms like `msvc` are unsupported by jemalloc, and trying
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to enable the `jemalloc` feature on these platforms may break the MinedMap
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build or cause issues at runtime.
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### Changed
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- Unknown biome types (from not yet supported or modded versions of Minecraft)
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will now use plains biome colors as a fallback instead of resulting in water,
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grass and foliage blocks to be rendered as transparent pixels
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## [2.4.0] - 2025-01-11
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### Added
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- Added support for rendering tiles in WebP format using the `--image-format` option
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## [2.3.1] - 2025-01-06
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### Fixed
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- Fix text colors for signs modified using dye
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- Fix text colors specified using `#rrggbb` CSS syntax in JSON text
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Only named colors specified via JSON text were working as intended.
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The mapping of color names to values is now handled by the generator. Both the generator and the
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viewer must be updated for sign text colors to work.
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## [2.3.0] - 2025-01-02
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### Added
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- Added support for Minecraft 1.21.4 block types
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- Added support for Minecraft 1.21.4 Pale Garden biome
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- viewer: added images for pale oak signs
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## [2.2.0] - 2024-06-23
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### Added
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- Added support for Minecraft 1.21 block types
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## [2.1.1] - 2024-06-14
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### Fixed
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- Fix crash due to incorrect counting in info message
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The calculation of the number of skipped regions could underflow when more invalid than valid
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regions were encountered.
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- Ignore empty region files instead of treating them as invalid
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Minecraft generates empty region files in some cases. Just ignore them instead of printing an
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error message every time.
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## [2.1.0] - 2024-01-27
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### Added
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- Added sign layer
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This feature is disabled by default. Use the `--sign-prefix` and `--sign-filter` options to
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configure which signs to show on the map. `--sign-transform` allows to modify the displayed
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sign text.
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### Changed
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- Without `--verbose`, only a single warning is printed at the end of
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processing for unknown block/biome types, rather than once for every
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section where such a block/biome is encountered.
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## [2.0.2] - 2024-01-07
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### Added
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- Added support for Minecraft 1.20.3+
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Minecraft 1.20.3 renamed the `grass` block type to `short_grass`.
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### Changed
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- Updated [Leaflet](https://leafletjs.com/) to 1.9.4
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- Updated attribution URL to https://github.com/neocturne/MinedMap
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## [2.0.1] - 2023-11-18
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### Fixed
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- Proceed with missing tiles rather can failing completely when an invalid
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region file is encountered and no processed data from a previous run exists
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## [2.0.0] - 2023-09-30
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This is a complete rewrite of the map renderer in Rust, as the previous C++
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implementation was getting more and more difficult to maintain and keep current
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versions of Minecraft supported.
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The new implementation is generally faster than the old one (by using better
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data structures), but it also uses a bit more RAM and storage space for
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intermediate data.
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### Added
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- Added support for Minecraft 1.20 biomes and block types
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- Multithreading: Pass `-j N` to minedmap to use *N* CPU cores in parallel. Note
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that this also multiplies the RAM requirements of MinedMap.
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- Extended OS support: MinedMap should now run on every system supported by Rust
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as a target. As I don't have a way to test these builds, binary releases are
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still limited to Windows and Linux for now; on other targets, MinedMap must
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be built from source.
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### Changed
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- Biome smoothing uses a different filter kernel now, which might result in
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nicer gradients?
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- Log messages have been reduced. Pass `-v` to get a message for each
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processed file again.
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- The intermediate data directory `biome` in the output directory has been
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replaced with a new `processed` directory. The `biome` directory can be
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deleted when reusing the output directory of an older MinedMap version.
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### Fixed
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- Warnings about unknown biomes or block types have been reduced to once per
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chunk/section, so rending is not slowed down by these message so much anymore.
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Full support for custom biomes datapacks might be added in a future release.
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<!-- next-url -->
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[Unreleased]: https://github.com/neocturne/MinedMap/compare/v2.4.0...HEAD
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[2.4.0]: https://github.com/neocturne/MinedMap/compare/v2.3.1...v2.4.0
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[2.3.1]: https://github.com/neocturne/MinedMap/compare/v2.3.0...v2.3.1
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[2.3.0]: https://github.com/neocturne/MinedMap/compare/v2.2.0...v2.3.0
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[2.2.0]: https://github.com/neocturne/MinedMap/compare/v2.1.1...v2.2.0
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[2.1.1]: https://github.com/neocturne/MinedMap/compare/v2.1.0...v2.1.1
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[2.1.0]: https://github.com/neocturne/MinedMap/compare/v2.0.2...v2.1.0
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[2.0.2]: https://github.com/neocturne/MinedMap/compare/v2.0.1...v2.0.2
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[2.0.1]: https://github.com/neocturne/MinedMap/compare/v2.0.0...v2.0.1
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[2.0.0]: https://github.com/neocturne/MinedMap/compare/v1.19.1...v2.0.0
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