docs(audits): profile parallel signature computation scaling (#1085)#3850
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Document the signature pipeline (sequential, pipelined, rayon-parallel) under crates/signature/, capture per-block rolling and strong-checksum costs, project 1/4/16/64 thread scaling on 100 MB / 1 GB / 10 GB bases, and propose tuned chunk sizing, per-thread scratch reuse, prologue overlap with the pipelined reader, SIMD-batched rolling checksum, and GPU offload as deferred future work.
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…3850) Document the signature pipeline (sequential, pipelined, rayon-parallel) under crates/signature/, capture per-block rolling and strong-checksum costs, project 1/4/16/64 thread scaling on 100 MB / 1 GB / 10 GB bases, and propose tuned chunk sizing, per-thread scratch reuse, prologue overlap with the pipelined reader, SIMD-batched rolling checksum, and GPU offload as deferred future work.
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Summary
Adds
docs/audits/parallel-signature-scaling.mdcovering the signature pipeline undercrates/signature/, per-block rolling and strong-checksum costs at varying block sizes, and projected 1/4/16/64 thread scaling on 100 MB / 1 GB / 10 GB basis files.Tracking: oc-rsync task #1085.
Test plan
cargo fmt --all -- --checkdocs/audits/