rapidgzip-rust v0.1.0

Initial release of the decoder-only rapidgzip-rust implementation.

Added

• Parallel decoding of ordinary gzip streams using rapidgzip's speculative
  marker/window algorithm and zlib-rs as the inflate backend.
• Correct verified decoding of concatenated multi-member gzip and BGZF,
  including empty members, optional gzip header fields, and conventional BGZF
  EOF members.
• Specialized parallel paths for BGZF, stored DEFLATE streams, and archives
  containing dense runs of independently decodable gzip members.
• A push API over ReadAt and Write, plus an owned streaming
  DecoderReader implementing Read + Send for consumers such as paraseq.
• Elastic worker scheduling with affinity- and requested-budget-aware
  bootstrapping, empirical upward/downward calibration, lazy OS-thread
  creation, and persistent worker retirement.
• Cloneable DecoderHandle runtime control and lock-free DecoderStats
  telemetry covering active, busy, and spawned workers; decoder path;
  backpressure; verified members; byte progress; and throughput.
• Automatic decoder throttling when the final reader handoff is
  consumer-bound, with excess workers retiring after their in-flight work.
• Runtime-dispatched AVX2 and SSE4.1 acceleration on x86-64, baseline NEON on
  AArch64, and scalar fallbacks.
• The rapidgzip-rust decode/verify CLI, distributed in the
  rapidgzip-rust-cli package.
• Multi-platform CI, an explicit Rust 1.87 MSRV check, safety documentation,
  reproducible performance reports, and a guarded release script.

Correctness and resource guarantees

• Every accepted member must reach a real final DEFLATE block and match its
  CRC32 and ISIZE footer.
• Candidate member headers inside compressed data are accepted only after
  independent inflation, footer authentication, and exact adjacency to the
  preceding verified member.
• Output limits, speculative work, queues, reader handoff, and dense-member
  scanning are bounded.
• Dropping a reader cancels and joins its pipeline; reaching EOF or calling
  finish verifies the complete input.

Current scope

• Decoding only; compression is not implemented.
• No persisted indexes, decoded-output seeking, or non-positional compressed
  input.
• ISA-L-enabled C++ rapidgzip remains faster in the measured one-worker FASTQ
  cell; multi-worker parity and the zlib-ng-backed C++ performance gate are
  met on the published workloads.