Files
foxhunt/config/gpu/default.toml
jgrusewski e4b7d2ffb0 feat: GPU TOML profile system — remove ALL hardcoded VRAM if/else chains
Created config/gpu/{default,rtx3050,h100,a100}.toml with all GPU-specific
parameters: batch_size, num_atoms, buffer_size, hidden_dim_base,
replay_buffer_vram_fraction, gpu_n_episodes, gpu_timesteps_per_episode,
cuda_stack_bytes.

GpuProfile::load() auto-detects GPU by device name, falls back to
embedded defaults (include_str!). Override via FOXHUNT_GPU_PROFILE env.

Removed dead code:
- detect_vram_mb(), vram_scaled_hidden_dims(), vram_scaled_base_dim(),
  resolve_hidden_dim_base() + 18 tests for these functions

All callers updated: train_baseline_rl, DQNTrainer constructor,
PPO trainer, smoke tests, pipeline tests.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-21 11:39:40 +01:00

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TOML

# Default GPU profile -- conservative settings for unknown GPUs
[training]
batch_size = 256
num_atoms = 21
buffer_size = 50_000
hidden_dim_base = 256
replay_buffer_vram_fraction = 0.50
[experience]
gpu_n_episodes = 64
gpu_timesteps_per_episode = 200
[cuda]
cuda_stack_bytes = 32768 # 32KB