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modelscope--ms-swift/examples/train/packing/qwen2_5_vl.sh
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# 4 * 36GB
# Efficiency: With packing: 10 minutes; Without packing: >=1 hour
# For local datasets, it is recommended to use streaming: `--streaming true` (save memory)
# You can also use padding_free to avoid the space/time cost caused by multi-modal packing:
# https://github.com/modelscope/ms-swift/blob/main/examples/train/padding_free/sft.sh
NPROC_PER_NODE=4 \
MAX_PIXELS=1003520 \
CUDA_VISIBLE_DEVICES=0,1,2,3 \
swift sft \
--model Qwen/Qwen2.5-VL-7B-Instruct \
--tuner_type lora \
--dataset 'AI-ModelScope/LaTeX_OCR#20000' \
--load_from_cache_file true \
--split_dataset_ratio 0.01 \
--torch_dtype bfloat16 \
--attn_impl flash_attn \
--packing true \
--num_train_epochs 3 \
--per_device_train_batch_size 1 \
--per_device_eval_batch_size 1 \
--learning_rate 1e-4 \
--lora_rank 8 \
--lora_alpha 32 \
--target_modules all-linear \
--gradient_accumulation_steps 1 \
--eval_steps 100 \
--save_steps 100 \
--save_total_limit 2 \
--logging_steps 5 \
--max_length 8192 \
--output_dir output \
--warmup_ratio 0.05 \
--dataloader_num_workers 4 \
--dataset_num_proc 8 \
--deepspeed zero2