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Claude
ac98036a8e
The miner enumerates the nonce space deterministically (the random base is overwritten before the first hash), so naively racing N copies of the search duplicates the exact same candidate sequence N times. PoWMiner.mine() now races workers over disjoint slices instead: each worker's nonce carries a distinct fixed prefix while only the bytes after it are enumerated, making the aggregate hash rate scale with cores (~3.8x on a 4-core box). The hot loop also switches from sha256() to sha256Into() with a reused 32-byte buffer, so hashing no longer allocates per attempt. amy wiring: - `pow mine` and `post --pow` mine on all cores by default; `pow mine --threads N` overrides. - `pow bench` measures the all-cores rate (what mining now uses, also the basis for expected_seconds) alongside a new hashes_per_second_single_core. - PoWEstimator benchmarks with sha256Into to match the miner, and gains a workers overload that prices in cross-core contention. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01UhaF5scnAvhP9wr9R7bTWM