perf(fast): donor-parity hot-path cleanups in Fast kernel + inline short-literal append (#220 follow-up)#231

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perf/#220-fast-l1-ratio

Commits on May 22, 2026

perf(fast_kernel): strip defensive bounds checks from match_found hot path (donor parity)
polaz
committed
perf(encode): inline short-literal append in collect_block_parts (bypass libc memmove)
polaz
committed
docs(fast_matcher): expand INITIAL_PREFIX_START_INDEX rationale with prefix=0 ablation
polaz
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perf(fast_kernel): preserve default rep_offset1 at block 0 via window_low
polaz
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feat(fast_kernel): add kernel_trace feature for #220 ratio-gap investigation
polaz
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fix(fast_kernel): set kSearchStrength to 8 (donor value)
polaz
committed

Commits on May 23, 2026

perf(huff0): port donor HUF_CStream dual-container unrolled encoder
polaz
committed