{ "status": "optimized_and_validated", "published": false, "recorded_at_utc": "2026-11-02T09:10:51.818787+00:00", "changes": [ "Use uuid fast-rng on native targets: OS-seeded, periodically reseeded ChaCha thread-local randomness; retain v4 identities and browser Web Crypto.", "Build indicator output columns directly in Arrow buffers; reuse invariant smoothing coefficients.", "Borrow take-profit levels in reward/risk validation; cache the immutable TTL result message without changing its contents." ], "source": { "baseline_sha256": "2f1c38274b7dafed51668e99f03f28a4a667e28777e01d3d4f9331a931e56ad5", "candidate_sha256": "87d276a79eb331783e4e3926c77c6cb2d6ed4da0ffa353ffeab242f1b692995d", "baseline_rebuild_matches_all_three_previously_frozen_binaries": true, "changed_engine_files": [ "Cargo.toml", "src/core/indicators/kernels.rs", "src/core/pipeline/minimum_risk_to_reward.rs", "src/core/pipeline/insight_ttl_config.rs", "src/core/indicators/engine.rs", "src/core/indicators/tests.rs" ], "isolated_patch": "../aqe-optimization-20261102.patch", "benchmark_source_unchanged": true, "example_sha256": "0ad1a82a41198485d60df143116e5822c9fee2dd01c2c00ced845d472a20ffc3", "dependency_versions_and_checksums_unchanged": true, "lock_change": "UUID dependency edge to existing rand 0.10.2; no dependency version updates.", "working_tree_dirty": true }, "binaries": { "baseline": { "engine_performance": "118646d053da492ed7ff27b25ba2a2c8c3f29ce72d8eca2f5981f2f017f5a292", "execution_performance": "81d507bc1b755102abfe5a77cfd97c62c4dd8e7636e2f1468c1439f7b8567425", "offline_lifecycle_performance": "2e010d9405ffa13d5b72d169a3927d0b7c24ecc3a7cc67de6d27f45093e87d56" }, "candidate": { "engine_performance": "8d8273c03c9dc059d7e0ba8327e1cc78d1d21b3f4b58613bda98adc51067a176", "execution_performance": "44e9323f110d58d124dd313693d57de5e53d1666188220ae6955c9adcc0a9a54", "offline_lifecycle_performance": "155a7b1489bc8ca4d4b0bac841a58f772bbe94c8723e509d1182a7ec57558903" } }, "build": { "command": "cargo build --release -p aq-engine --features runtime --example engine_performance --example execution_performance --example offline_lifecycle_performance --locked --offline", "profile": "Cargo release; AQ Engine opt-level=3; workspace LTO; codegen-units=1", "native_fast_rng_enabled": true, "wasm_fast_rng_enabled": false }, "validation": { "command": "cargo test --release -p aq-engine --features runtime --lib --locked --offline", "passed": 1081, "failed": 0, "ignored": 27, "log": "tests-release.log", "sandbox_run": "1055 passed; 26 localhost mock-server bindings denied by sandbox. Full rerun with localhost access passed all 1081 tests.", "format_and_whitespace_checks": "passed", "execution_smoke": "passed", "lifecycle_smoke": "passed", "full_lifecycle": { "warmups": 1, "samples": 7, "trades_per_case": 1000, "bars": 10000, "all_outcome_fingerprints_equal": true, "results": [ { "id": "backtest_close", "outcome_fingerprint_equal": true, "baseline_median_ms": 1441.989459, "candidate_median_ms": 1364.9265420000002, "baseline_p95_ms": 1506.942083, "candidate_p95_ms": 1449.2486250000002, "throughput_change_percent": 5.645938783422078 }, { "id": "live_close", "outcome_fingerprint_equal": true, "baseline_median_ms": 5461.068375, "candidate_median_ms": 5466.728, "baseline_p95_ms": 5658.367292, "candidate_p95_ms": 5513.981000000001, "throughput_change_percent": -0.10352856406976585 }, { "id": "backtest_bars", "outcome_fingerprint_equal": true, "baseline_median_ms": 1356.869541, "candidate_median_ms": 1100.910917, "baseline_p95_ms": 1770.0208750000002, "candidate_p95_ms": 1115.923166, "throughput_change_percent": 23.249712583238935 } ] } }, "controlled_comparison": { "baseline": "Identical rebuilt pre-optimization 0.2.2 candidate", "pairs": 5, "samples_per_workload_per_variant": 75, "warmups_per_run": 3, "method": "For each workload, select the run with the slowest median and retain its paired p95 and throughput.", "results": [ { "id": "indicator_batch", "baseline_median_ms": 9.267875, "candidate_median_ms": 8.853709, "baseline_p95_ms": 11.222249999999999, "candidate_p95_ms": 9.627082999999999, "baseline_throughput": 26974899.855684284, "candidate_throughput": 28236753.65883383, "throughput_change_percent": 4.677881326345834, "elapsed_change_percent": -4.468834549451728 }, { "id": "insight_pipeline", "baseline_median_ms": 7.203167, "candidate_median_ms": 6.105, "baseline_p95_ms": 8.857917, "candidate_p95_ms": 6.329708, "baseline_throughput": 8329669.435680167, "candidate_throughput": 9828009.828009827, "throughput_change_percent": 17.987993447993446, "elapsed_change_percent": -15.245613491954291 }, { "id": "paper_broker", "baseline_median_ms": 29.604292, "candidate_median_ms": 7.1305, "baseline_p95_ms": 30.892166, "candidate_p95_ms": 10.048542000000001, "baseline_throughput": 168894.42922668104, "candidate_throughput": 701213.098660683, "throughput_change_percent": 315.1783465395134, "elapsed_change_percent": -75.91396544798302 } ], "compiler_checks": "No compilers detected before/after each micro run; lifecycle runner monitored throughout each run.", "baseline_peak_rss_bytes": 122437632, "candidate_peak_rss_bytes": 126681088, "memory_conclusion": "No peak RSS reduction demonstrated: candidate maximum is 3.5% higher than paired baseline; individual runs vary.", "process_cpu_seconds_median": { "baseline": { "real": 1.49, "user": 0.68, "system": 0.79 }, "candidate": { "real": 0.61, "user": 0.56, "system": 0.02 } }, "process_cpu_scope": "Whole microbenchmark process including fixture setup; distinct from timed workload regions." }, "profiling": { "file": "profile-before.txt", "method": "Native sample, 1 ms interval over one second, frozen baseline binary", "main_thread_samples": 652, "getentropy_leaf_samples": 378, "scope": "Whole suite including fixture creation; not a per-workload time attribution." }, "historical_comparison": { "baseline": "September 26, 2026, AQE 0.2.0", "controlled": false, "same_reported_workload_and_profile": true, "exact_dirty_source_and_build_not_reconstructed": true, "qualification": "Historical reference only. September was a dirty checkout and its stored example hash differs from that revision. OS and engine behavior also changed. Do not publish the percentages as a controlled like-for-like speedup.", "results": [ { "id": "indicator_batch", "historical_median_ms": 9.532166, "candidate_median_ms": 8.853709, "historical_p95_ms": 9.618625, "candidate_p95_ms": 9.627082999999999, "historical_throughput": 26226987.654222555, "candidate_throughput": 28236753.65883383, "throughput_change_percent": 7.662969270844577 }, { "id": "insight_pipeline", "historical_median_ms": 7.076458, "candidate_median_ms": 6.105, "historical_p95_ms": 7.512916, "candidate_p95_ms": 6.329708, "historical_throughput": 8478818.075370476, "candidate_throughput": 9828009.828009827, "throughput_change_percent": 15.91249795249794 }, { "id": "paper_broker", "historical_median_ms": 12.469417, "candidate_median_ms": 7.1305, "historical_p95_ms": 12.815708, "candidate_p95_ms": 10.048542000000001, "historical_throughput": 400981.0562915652, "candidate_throughput": 701213.098660683, "throughput_change_percent": 74.87437066124396 } ], "historical_peak_rss_bytes": 91914240, "candidate_peak_rss_bytes": 126681088 }, "publication": { "absolute_benchmark_data": "report.json", "controlled_before_after_data": "comparison.json", "claim_scope": "Synthetic local AQE CPU workloads on this Apple M5 Max. Direct PaperBroker orders/s does not represent complete journaled trades, live broker/network, database or UI latency.", "limitations": [ "September comparison is historical, not a controlled causal speedup.", "Peak memory remains above the September measurement.", "Offline live lifecycle median is effectively unchanged because the existing five-second sweep dominates.", "Results identify a dirty candidate by source and binary hashes; rerun if release source changes." ], "production_services_touched": false, "website_written": false } }