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Changelog

This file tracks notable repository-level changes on the current main branch.

Unreleased / main

  • make verify-bridge now uses the committed tools/validation/verify_bridge.sh wrapper so CI and local checkouts resolve the same path.

  • The chaos gate is pinned to median aggregation with REPS=7, and CI uploads the resulting benchmark artifacts for inspection.

  • The datapath serial hot path now encrypts payloads directly inside the output arena instead of bouncing through an intermediate ciphertext buffer.

  • The README and benchmark docs were refreshed to match the current workspace, workflows, and artifact layout.

  • Buffer-reuse and allocation-reduction work applied to the datapath hot path to reduce allocator pressure and mid-path Vec allocations; includes serial-path arena encryption and parallel-path consuming transformations.

  • Updated test fixes: added AlignedBuffer::as_ptr() and a thread-local ciphertext buffer used by unit-tests.

  • Added Multi-Channel Routing (MCR) spraying integration: routing table extensions, datapath hooks, and benchmark/reporting scripts. See docs/mcr_architecture.md.

  • Bench reporting and aggregation scripts added under tools/bench_results/ with CSV/MD outputs and CI baseline file tools/bench_results/ci_baseline_mcr.txt (requires perf review to merge).

Performance notes (summary)

  • Recent local benchmark smoke in this session reached throughput_pkt_s=2284453.27 with p50=20789 ns and p99=42710 ns on the packet profile used by cargo run --release -p benchmark -- --packets 2000 --payload-len 64 --loss-percent 0 --corrupt-percent 0 --duplicate-percent 0 --seed 42 --mcr-channels 3 --mcr-spray-mode primary.
  • Recent pinned smoke runs still indicate the CI MCR baseline is around 2,402,042 pkt/s; see tools/bench_results/ for run artifacts and PR_PERFORMANCE_NOTES.md for details.
  • Flamegraph capture remains pending on a self-hosted bench host (requires perf and a compatible rust toolchain); profiling scripts are present in tools/benchmark/ and benchmark/FLAMEGRAPH_RUN.md.

v1.0.0

  • Stabilized workspace layout and core crate scaffolding.
  • Added the benchmark harness and basic datapath microbench fixes.
  • Validated the workspace test suite across crates.
  • Refreshed benchmark artifacts in docs/perf/ and tools/bench_results/.
  • Added CLI metrics endpoints for local stress runs.
  • Added stress harness scripts and Makefile targets for sustained load and perf collection.

Notes

  • Release notes and benchmark artifacts are generated from the current workspace state; always prefer the scripts in tools/ over hand-editing outputs.