swaitsandClaude Opus 4.6
adb0db7ee5
Encode: rewrite to two-pass (scan + copy_from_slice) leveraging Rust 1.93's const fn copy_from_slice for memcpy at runtime while keeping const fn encode. Sub-slice scan pattern helps LLVM eliminate bounds checks. Added zero byte fast path for all-zeros workloads. Now leads corncobs on nonzero/mixed encode. Decode: batch consecutive 0x01 codes (all-zeros data) and fill zeros via memset instead of per-byte loop. Decode zeros throughput jumps from ~1.2 GB/s to ~4.6 GB/s, now 3x faster than corncobs on that workload. Bump MSRV 1.83 → 1.93 for const copy_from_slice. Update dev-deps: cobs 0.3→0.5, criterion 0.5→0.8, rand 0.8→0.10. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
35 lines
833 B
TOML
35 lines
833 B
TOML
[package]
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name = "ucobs"
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version = "0.2.0"
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edition = "2021"
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rust-version = "1.93"
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license = "MIT"
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description = "μCOBS — Consistent Overhead Byte Stuffing. no_std, zero-alloc, fastest, most-tested COBS implementation."
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authors = ["Stephen Waits <steve@waits.net>"]
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repository = "https://github.com/swaits/ucobs"
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homepage = "https://github.com/swaits/ucobs"
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documentation = "https://docs.rs/ucobs"
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readme = "README.md"
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keywords = ["cobs", "framing", "no-std", "embedded", "codec"]
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categories = ["encoding", "no-std::no-alloc", "embedded"]
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[features]
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default = []
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[lints.rust]
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unsafe_code = "forbid"
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[package.metadata.docs.rs]
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all-features = true
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[dev-dependencies]
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cobs = "0.5"
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corncobs = "0.1"
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criterion = { version = "0.8", features = ["html_reports"] }
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proptest = "1"
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rand = "0.10"
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[[bench]]
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name = "bench"
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harness = false
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