overlay/scripts/loop_launch.sh

#!/usr/bin/env bash
# Autonomous Feather outer loop launcher — survives Hermes session transitions.
# Writes: /home/mikeb/work/feather/run_loop_t{N}.log, PID -> ~/.cache/autoresearch/train_pid
set -euo pipefail

REPO="/home/mikeb/work/feather"
cd "$REPO"

# Kill any stale training
pkill -9 -f "python.*train\.py" 2>/dev/null || true
sleep 1

HF_TOKEN_VAL=$(grep -ohP 'hf_[A-Za-z0-9_-]+' ~/.bashrc 2>/dev/null | head -1 || true)
TICK="${1:-0}"
LOG="${REPO}/run_loop_t${TICK}.log"

echo "[loop] tick-${TICK} starting $(date +%H:%M:%S)" > "${LOG}"

setsid -f /usr/bin/env \
LD_LIBRARY_PATH=/usr/lib/wsl/lib:/usr/local/cuda/lib64 \
PYTORCH_CUDA_ALLOC_CONF=expandable_segments:True \
HF_TOKEN="${HF_TOKEN_VAL}" \
HUGGINGFACE_HUB_TOKEN="${HF_TOKEN_VAL}" \
WANDB_DISABLED=true \
HYDRA_USE_NEMOTRON=1 \
HYDRA_USE_FULL_BLEND=1 \
HYDRA_SAMPLED_SOFTMAX=256 \
HYDRA_SOFTCAP_CLAMP=1 \
HYDRA_SEQ_LEN=1024 \
HYDRA_HEADDIM=32 \
HYDRA_D_STATE=64 \
HYDRA_TIME_BUDGET=300 \
HYDRA_ENGRAM_TOPK=64 \
HYDRA_CANTOR_DISABLE=0 \
HYDRA_CANTOR_LEARNABLE=1 \
HYDRA_CANTOR_SCORE_GRAD=1 \
HYDRA_ENGRAM_ROUTING=auto \
HYDRA_REALITY_BRIDGE=1 \
HYDRA_SEMANTIC_SMOOTH_STD=0.01 \
HYDRA_SLOW_FAST_ORTHO_METRICS=1 \
HYDRA_SLOW_FAST_ORTHO_LAMBDA=1e-4 \
HYDRA_GDN_LAYERS= \
HYDRA_MTP_K=1 \
HYDRA_USE_MDLM=0 \
HYDRA_MUON_COMPILE=0 \
HYDRA_MUON_NS_STEPS=2 \
HYDRA_MATRIX_LR="${2:-0.01}" \
HYDRA_EMBED_LR="${3:-0.20}" \
HYDRA_UNEMBED_LR="${4:-0.001}" \
HYDRA_DT_BIAS_LR="${5:-0.05}" \
HYDRA_SCALAR_LR="${6:-0.01}" \
HYDRA_WARMUP_RATIO=0.01 \
HYDRA_LR_MIN_MULT=0.10 \
HYDRA_DOC_SEP_MASK=1 \
HYDRA_STREAM_SHUFFLE_BUFFER=4096 \
HYDRA_LOCAL_SHARDS_ONLY=0 \
HYDRA_BACKGROUND_PREFETCH=0 \
HYDRA_STREAM_PREFETCH=16 \
HYDRA_TOKEN_PREFETCH=4 \
HYDRA_TOKEN_CACHE_GB=1 \
HYDRA_CKPT_INTERVAL=2000 \
HYDRA_MID_VAL_INTERVAL=0 \
HYDRA_EVAL_BATCH=1 \
HYDRA_EVAL_TOKENS=51200 \
HYDRA_CE_CHUNK=16 \
HYDRA_SKIP_FACTUAL_EVAL=1 \
HYDRA_N_LAYER=6 \
HYDRA_D_MODEL=192 \
HYDRA_EXPAND=3 \
HYDRA_BATCH_SIZE=16 \
HYDRA_TOTAL_BATCH=32768 \
HYDRA_HYENA_LAYERS= \
HYDRA_HTM_SUBSAMPLE=16 \
UV_PYTHON=/usr/bin/python3 \
taskset -c 0-15 "${REPO}/.venv/bin/python" -u train.py \
</dev/null >>"${LOG}" 2>&1

sleep 2
TPID=$(pgrep -n -f 'python -u train\.py' || echo "")
if [ -z "${TPID}" ]; then
  TPID=$(pgrep -n -f 'train\.py' || echo "0")
fi
echo "${TPID}" > /home/mikeb/.cache/autoresearch/train_pid
echo "[loop] tick-${TICK} PID=${TPID} PPID=$(ps -o ppid= -p "${TPID}" 2>/dev/null || echo '?')" >> "${LOG}"