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Summary: Adds the AVX-512 implementations of the PivCo-Huffman encode and decode kernels and their lookup tables, and registers them with , the header externs, and the kernel test suite. Differential Revision: D109893567
Summary: Binds the PivCo-Huffman kernel into OpenZL as a codec and registers it. Defines the header format, and wraps the kernel code added in prior diffs. Spec is written into . It is just hooked up as a private , a stacked diff will add it to . Differential Revision: D109893484
Summary: Adds , which renders the generated lookup-table headers consumed by the architecture-specific kernels (x86, neon, avx512). It is checked in ahead of the per-architecture kernels that include its output. Differential Revision: D109893569
Recent fixes
Summary: mints real OpenZL frames and chunks for GPU-decoder tests by driving the actual encoder (so frame/chunk headers and checksums are correct by construction): (single-graph frames), (multi-chunk frames + ), and (reflection-based codec verification). Also adds a Claude skill, , documenting how to mint single-codec and multi-chunk frames. This can be considered scratch code to unblock things temporarily. Reviewed By: terrelln Differential Revision: D110231769
Summary: Adds byte-aligned bit reservation and pop primitives to the FF bitstream, needed by the upcoming PivCo-Huffman kernels: / on the write side. on the read side, plus a cursor in so the reader can compute byte offsets. now returns the number of bytes consumed. Hardens // against small buffers by avoiding pointer arithmetic that could underflow. Differential Revision: D109878843
Structured data for AI agents
Repository: facebook/openzl. Description: A novel data compression framework Stars: 3123, Forks: 152. Primary language: C. Languages: C (50.8%), C++ (44.9%), Python (1.7%), TypeScript (1%), Starlark (0.7%). Homepage: https://openzl.org Latest release: v0.2.0 (1mo ago). Open PRs: 35, open issues: 28. Last activity: 16h ago. Community health: 87%. Top contributors: terrelln, Victor-C-Zhang, daniellerozenblit, kevinjzhang, Cyan4973, jlee303, felixhandte, mmandina, zhiningli, facebook-github-bot and others.