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CHANGELOG.md

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v0.10.1

  • This release makes bgzf, mgzip, and the FooterValues.sum value public

v0.10.0

  • Drop support for cloudflare zlib via flate2 to resolve conflicting symbols

v0.9.6

  • Update deps, specifically flate2

v0.9.5

  • Fix regression in v0.9.3 that failed to add EOF block for BGZF files. EOF is now properly added.

v0.9.4

  • Yanked - intended to included changes from v0.9.5 but was actually just v0.9.3 again.

v0.9.3

  • Fix gzp issue 30 where compression will fail for BGZF on a final call to flush when the remaining bytes are > the the max allowed bytes by that format. Additionally this will now keep the Writer buffer at less than buffer_size in the even that very large calls to write are happening. Previously this would just accumulate a very large buffer until flush was called, potentially leading to out-of-memory errors.

v0.9.2

  • Fix bug with BGZF format flush that would send blocks of size > max block size and return an unknown error.

v0.9.1

  • mgzip and bgzf formats were relying on libdeflater features even when under the not(libdeflate) config, this is now fixed

v0.9.0

  • Fix crabz issue 9
  • Add ability to pin compression and decompression threads to specific cpus
  • Added Single threaded decompression for Bgzf and Mgzip formats backed by libdeflate

v0.8.2

  • Fix crabz issue 9 which is that when 0 or 1 threads are used to compress block formats a GzEncoder was used instead of the correspoding single-threaded block encoder.

v0.8.1

  • Allow buffer size to be configured on ZBuilder
  • Add maybe_* methods to DecompressBuilder to transparently support single threaded decompression
  • Fix panic on drop for decompressor when an error occurs elsewhere in program
  • Fix panic on drop for compressor when an error occurs elsewhere in program

See crabz issue and PR

v0.8.0

  • Adds support for Mgzip and BGZF compression and decompression
  • Large reorg of internal structure
  • Modest performance improvements reusing decompressors / compressors

See PR15

v0.7.2

  • Fix snap feature flags

v0.7.1

  • Handle errors coming from internal writer transparently so that the correct error type is returned to the caller.
    • Specifically broken pipes can now be handled the same way they are for anything that implements Write
  • Added tests so make sure dropping the writer correctly shuts things down

v0.7.0

This release adds the SyncZ type as well as many API changes. The cumulative result is that with this release ZBuilder can be used to return a Box<dyn ZWriter> trait object that will use ParZ if num_threads > 1, otherwise it will fall back to using SyncZ. This allows calling code to use gzp regardless of the number of threads which could likely be 0 in some cases.

See PR13.

v0.6.0

This release brings performance improvements across the board, but especially for for resource restricted systems.

Driven by PR12 / Issue11

  • Change backend to use thread-per-core compressors, dropping rayon
  • Change meaning of num_threads to mean "number of compression threads", which allows for oversubscribing the writer thread since it spends most of its time idle.
  • Added errors for misconfigurations of number of threads / buffer size
  • Bugfix to correctly set the compression dictionary in the event of an early call to flush
  • Improved docs