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5f4e9ea | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | #!/bin/bash
#PBS -N physics_sft_2gpu
#PBS -q normal
#PBS -P 11714283
#PBS -l select=1:ncpus=28:ngpus=2
#PBS -l walltime=24:00:00
#PBS -j oe
#PBS -k oe
#PBS -o checkpoints/physics-qwen25vl-sft/pbs_2gpu.out
#
# Submit from the repo root:
# mkdir -p checkpoints/physics-qwen25vl-sft
# qsub scripts/train_sft_2gpu.pbs
# Live training log:
# tail -f checkpoints/physics-qwen25vl-sft/train_2gpu.txt
set -euo pipefail
cd "${PBS_O_WORKDIR:?qsub this from the repo root so PBS_O_WORKDIR is set}"
CKPT_DIR="${PWD}/checkpoints/physics-qwen25vl-sft"
LOG_TXT="${CKPT_DIR}/train_2gpu.txt"
mkdir -p "${CKPT_DIR}"
touch "${LOG_TXT}"
export PYTHONPATH="${PWD}/src${PYTHONPATH:+:$PYTHONPATH}"
export HF_HOME="${HF_HOME:-$PWD/.cache/huggingface}"
export TOKENIZERS_PARALLELISM=false
export PYTHONUNBUFFERED=1
source ~/.bashrc
if [[ -n "${PHYSICS_SFT_CONDA_ENV:-}" ]]; then
conda activate "$PHYSICS_SFT_CONDA_ENV"
elif [[ -x "$PWD/.venv/bin/python" ]]; then
# shellcheck disable=SC1091
source "$PWD/.venv/bin/activate"
fi
PYTHON="$(command -v python)"
{
echo "===== job start $(date -Is) ====="
echo "cwd=$(pwd) python=$PYTHON host=$(hostname) PBS_JOBID=${PBS_JOBID:-}"
nvidia-smi -L || true
} | tee -a "${LOG_TXT}"
# Line-buffered so tail -f updates as the job runs.
stdbuf -oL -eL "$PYTHON" -m accelerate.commands.launch --num_processes 2 \
--config_file configs/accelerate_ddp_2gpu.yaml \
src/physics_model/sft.py --config configs/sft_qwen25vl_7b_2gpu.yaml \
--skip-length-scan \
2>&1 | tee -a "${LOG_TXT}"
echo "===== job end $(date -Is) =====" | tee -a "${LOG_TXT}"
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