jgrusewski dd6143936e fix: IQN 4-branch runtime + order counterfactual + per-branch entropy + histogram ...

IQN kernel rewrite (critical — was corrupting 75% of gradient budget):
- Eliminate compile-time BRANCH_*_SIZE defines (BRANCH_0_SIZE was 5, should be 3)
- All 9 IQN kernels now take runtime b0/b1/b2/b3 params
- 4-branch forward, backward, decode (was 3-branch, missing magnitude)
- branch_actions buffer B*3 → B*4

Action diversity infrastructure:
- 3-cycle counterfactual: dir mirror / mag relabel / order-type cost delta (50× amplified)
- Per-branch entropy: order (d==2) gets 3× boost in C51 + MSE grad kernels
- Position histogram expanded 6→12 bins (all 4 branches get entropy bonus)
- Boltzmann temperature floor raised to 0.5 for order + urgency branches
- Smoke test epochs 3→10 for diversity verification

Note: experience collector still needs bottleneck forward path — currently reads
trainer's bottleneck-layout weights with state_dim K, producing misaligned Q-values.
Next: eliminate weight copy, use direct pointer views into trainer's params_buf.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-11 22:40:47 +02:00

..

backtesting

refactor: collapse 9-level to 7-level ExposureLevel — eliminate degenerate Flat variants

2026-04-11 11:54:09 +02:00

common

fix: switch tracing to stderr (unbuffered) — stdbuf has no effect on Rust

2026-04-02 16:29:55 +02:00

config

fix(ci): clippy test-gate uses --lib, fix pre-existing lint errors

2026-03-12 19:10:18 +01:00

ctrader-openapi

fix: tune log levels across workspace — demote noisy warn to debug/trace

2026-03-14 11:35:15 +01:00

data

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

database

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

market-data

…

ml

fix: IQN 4-branch runtime + order counterfactual + per-branch entropy + histogram

2026-04-11 22:40:47 +02:00

ml-asset-selection

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

ml-backtesting

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

ml-checkpoint

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

ml-core

cleanup: remove ALL GpuVarStore from DQN path + re-enable bottleneck_dim=16

2026-04-11 14:42:54 +02:00

ml-data

…

ml-data-validation

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

ml-dqn

WIP: training quality fixes + VarStore elimination (INCOMPLETE — needs xavier_init_params_buf)

2026-04-11 21:03:05 +02:00

ml-ensemble

feat(ensemble): GPU-native ensemble reduce kernel, remove CPU fallbacks

2026-03-29 22:35:37 +02:00

ml-explainability

feat(ensemble): GPU-native ensemble reduce kernel, remove CPU fallbacks

2026-03-29 22:35:37 +02:00

ml-features

test(data): per-file vs global front-month filter — documents quarterly roll bug

2026-04-08 21:31:46 +02:00

ml-hyperopt

refactor: LHS is the correct algorithm for small budgets, not a fallback

2026-03-29 19:18:47 +02:00

ml-labeling

fix(clippy): ml-supervised + ml-core + thin crates — 34 errors fixed

2026-03-19 00:39:03 +01:00

ml-observability

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

ml-paper-trading

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

ml-ppo

refactor: collapse 9-level to 7-level ExposureLevel — eliminate degenerate Flat variants

2026-04-11 11:54:09 +02:00

ml-regime

refactor(cuda): eliminate all CPU fallbacks — CUDA mandatory across ML stack

2026-03-16 21:01:28 +01:00

ml-regime-detection

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

ml-risk

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

ml-security

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

ml-stress-testing

fix(clippy): achieve zero warnings across entire workspace

2026-03-10 13:18:57 +01:00

ml-supervised

cleanup: remove half crate dependency from entire workspace

2026-04-10 18:54:14 +02:00

ml-universe

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

ml-validation

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

model_loader

fix(clippy): resolve all clippy warnings across entire workspace (--all-targets)

2026-03-13 10:18:35 +01:00

risk

refactor: eliminate candle from entire workspace — tests, examples, Cargo.toml

2026-03-18 00:53:47 +01:00

risk-data

fix: tune log levels across workspace — demote noisy warn to debug/trace

2026-03-14 11:35:15 +01:00

storage

…

trading_engine

fix(ml): BF16/F32 boundary alignment, GPU-resident ops across all ML crates

2026-03-15 11:59:31 +01:00

trading-data

…

training_uploader

feat: implement all 15 fxt CLI commands with real gRPC calls

2026-03-03 22:16:35 +01:00