jgrusewski 81e9970d4c refactor(per-horizon): N_HORIZONS 5→3 — alpha_train example
Renames all *_h6000 references to *_h1000 (new longest horizon):
- AlphaTrainSummary struct fields: best_auc_h6000_* → best_auc_h1000_*,
  best_h6000_ckpt_path → best_h1000_ckpt_path
- State vars: best_auc_h6000*, h6000_no_improvement → h1000 equivalents
- Checkpoint filename: trunk_best_h6000.bin → trunk_best_h1000.bin
- CLI early-stop metric: "auc_h6000" → "auc_h1000"
- Tracing log fields: w_h30..w_h6000 → w_h10/w_h100/w_h1000
- 4 hardcoded [seq.labels[0..4][k]] literals → std::array::from_fn
- MultiHorizonLoaderConfig.horizons + AlphaTrainSummary.horizons:
  literal [30,100,300,1000,6000] → HORIZONS constant
- Doc comments: "5 horizons", "h6000-snapshot" → "N_HORIZONS", "longest-horizon"

KNOWN FOLLOW-UP (Task 7): 5 sweep YAMLs reference trunk_best_h6000.bin
filename — must update atomically when applying workflow template changes.

KNOWN FOLLOW-UP (Task 8): crates/ml-alpha/src/gpu_log.rs:176-192 still
decodes 5-horizon JSON fields (raw_h30..h6000, ema_h30..h6000, etc.).

cargo check --example alpha_train: PASS.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-22 01:01:18 +02:00

Foxhunt

Production HFT trading system in Rust.

Architecture

The workspace contains 32 crates organized as follows:

Core Libraries (16)

Crate Purpose
trading_engine Order processing, FIX 4.4, IB TWS, SIMD, RDTSC timing
risk VaR, Kelly, circuit breakers, kill switches, compliance
risk-data Risk data types and shared structures
trading-data Trading data types
ml DQN Rainbow, PPO, TFT, Mamba2, ensemble inference
ml-data ML data types and feature definitions
data Market data ingestion and storage
backtesting Replay engine, strategy tester
adaptive-strategy Ensemble execution, microstructure analysis
common Shared types, resilience, error handling
storage S3 and local model storage
model_loader Model serialization and loading
market-data Market data feed handlers
database PostgreSQL access layer (SQLx)
config Configuration management
tli CLI commands and tooling

Services (8)

Service Purpose
backtesting_service gRPC backtesting service
broker_gateway_service FIX routing, broker connectivity
trading_service Core trading operations
ml_training_service Model training orchestration
data_acquisition_service Market data acquisition
trading_agent_service Autonomous trading agents
api_gateway gRPC API gateway with auth
web-gateway Axum REST + WebSocket gateway

Frontend

web-dashboard/ -- React 19 + TypeScript + Vite + TradingView charts.

Building

# Check compilation (no PostgreSQL required)
SQLX_OFFLINE=true cargo check --workspace

# Run tests for a specific crate
SQLX_OFFLINE=true cargo test -p <crate> --lib

# Clippy
SQLX_OFFLINE=true cargo clippy --workspace

ML Models

Four production model architectures on Candle v0.9.1 with CUDA:

  • DQN Rainbow -- Deep Q-Network with prioritized replay, dueling heads, noisy nets
  • PPO -- Proximal Policy Optimization with GAE and LSTM policies
  • TFT -- Temporal Fusion Transformer for multi-horizon forecasting
  • Mamba2 -- State space model for sequence prediction

Each model has a standalone trainer and a UnifiedTrainable adapter for the hyperopt pipeline.

Infrastructure

  • Git: Gitea at git.fxhnt.ai (Tailscale-only), Scaleway DEV1-S
  • Observability: OpenTelemetry OTLP (env OTEL_EXPORTER_OTLP_ENDPOINT)
  • Database: PostgreSQL with SQLx offline mode for CI

License

Proprietary. All rights reserved.

Description
No description provided
Readme 849 MiB
Languages
Rust 88.2%
Cuda 7.7%
Python 1.3%
Shell 1.1%
PLpgSQL 0.8%
Other 0.8%