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#!/bin/bash
#SBATCH --job-name=fw135m-lr
#SBATCH --output=/orion/u/oscarwan/ept/ep_run/runs/slurm-fw135m-lr-%A_%a.out
#SBATCH --error=/orion/u/oscarwan/ept/ep_run/runs/slurm-fw135m-lr-%A_%a.err
#SBATCH --time=72:00:00
#SBATCH --account=orion
#SBATCH --partition=orion
#SBATCH --nodes=1
#SBATCH --ntasks-per-node=1
#SBATCH --gres=gpu:a6000:1
#SBATCH --cpus-per-task=16
#SBATCH --mem=64G
#SBATCH --array=0-2
set -euo pipefail
ROOT_DIR="${ROOT_DIR:-/orion/u/oscarwan/ept}"
RUN_DIR="${ROOT_DIR}/ep_run"
VENV_DIR="${VENV_DIR:-${ROOT_DIR}/.venv}"
PYTHON_BIN="${PYTHON_BIN:-python}"
WAND_PROJECT="ept-fineweb-135M"
WAND_ENTITY="eqprop-llm-training"
DATA_DIR="${DATA_DIR:-${RUN_DIR}/data/fineweb_edu}"
export EPT_DATA_ROOT="${EPT_DATA_ROOT:-${DATA_DIR%/fineweb_edu}}"
SEED="${SEED:-1}"
LRS=(7e-4 1e-3 1.4e-3)
LR="${LRS[${SLURM_ARRAY_TASK_ID:?This script must be submitted as an array job}]}"
LR_TAG="${LR//-/m}"
LR_TAG="${LR_TAG//./p}"
TAG="fw135m_bp_lr${LR_TAG}_s${SEED}"
cd "${RUN_DIR}"
mkdir -p runs
if [[ -f "${VENV_DIR}/bin/activate" ]]; then
source "${VENV_DIR}/bin/activate"
fi
if [[ ! -f "${DATA_DIR}/meta.pkl" || ! -f "${DATA_DIR}/train.bin" || ! -f "${DATA_DIR}/val.bin" ]]; then
echo "FineWeb-Edu data is missing at ${DATA_DIR}." >&2
echo "Run prepare_fineweb.py first to create the dataset." >&2
exit 1
fi
echo "Host: $(hostname)"
echo "Job ID: ${SLURM_JOB_ID:-local}; array task: ${SLURM_ARRAY_TASK_ID}"
echo "Git commit: $(git rev-parse --short HEAD)"
echo "CUDA_VISIBLE_DEVICES=${CUDA_VISIBLE_DEVICES:-unset}"
echo "W&B: ${WAND_ENTITY}/${WAND_PROJECT}; run: ${TAG}"
echo "Adam-side LR: ${LR}; data: ${DATA_DIR}"
nvidia-smi
"${PYTHON_BIN}" casc_bp_train.py \
--tag "${TAG}" \
--L 12 --C 768 --H 12 --T 256 --B 24 \
--steps 440000 \
--lr "${LR}" \
--warmup 1000 \
--amp --olmo2 \
--wd 0.1 \
--opt muon --muon_lr 0.02 \
--cosine --lr_min_ratio 0.1 \
--data fineweb_edu \
--seed "${SEED}" \
--save_every 5000 --log 100 \
--wandb "${WAND_PROJECT}" \
--wandb_run "${TAG}"
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