#!/bin/bash
set -x

export PYTHONUNBUFFERED=1
export RUST_BACKTRACE=1
export HYDRA_FULL_ERROR=1

ulimit -n 65535

EXPERIMENT_NAME=retool-multiturn-sft-qwen3-4b-sp4

torchrun --nnodes=1 --nproc_per_node=8 \
     -m verl.trainer.fsdp_sft_trainer \
    data.max_length=16384 \
    data.train_batch_size=128 \
    data.micro_batch_size_per_gpu=16 \
    data.train_files=$HOME/data/retool_multi_turn_sft_preprocessed/train.parquet \
    data.val_files=$HOME/data/retool_multi_turn_sft_preprocessed/test.parquet \
    data.multiturn.enable=true \
    data.multiturn.messages_key=messages \
    data.multiturn.tools_key=tools \
    model.partial_pretrain=$HOME/models/Qwen/Qwen3-4B \
    model.trust_remote_code=true \
    optim.lr=1e-6 \
    trainer.default_local_dir=$HOME/checkpoints/retool-multiturn-sft/$EXPERIMENT_NAME \
    trainer.project_name=retool-multiturn-sft \
    trainer.experiment_name=$EXPERIMENT_NAME \
    trainer.logger=['console','wandb'] \
    trainer.total_epochs=12 \
    trainer.default_hdfs_dir=null $@ \
    ulysses_sequence_parallel_size=4 \
    use_remove_padding=true
