# 2 * 70GiB # For inference code, refer to: examples/infer/demo_embedding.py PYTORCH_CUDA_ALLOC_CONF='expandable_segments:True' \ NPROC_PER_NODE=2 \ CUDA_VISIBLE_DEVICES=0,1 \ INFONCE_TEMPERATURE=0.1 \ megatron sft \ --model Qwen/Qwen3-Embedding-8B \ --task_type embedding \ --save_safetensors true \ --tuner_type full \ --dataset sentence-transformers/stsb:positive \ --load_from_cache_file true \ --split_dataset_ratio 0.02 \ --tensor_model_parallel_size 2 \ --sequence_parallel true \ --micro_batch_size 16 \ --global_batch_size 16 \ --recompute_granularity full \ --recompute_method uniform \ --recompute_num_layers 1 \ --finetune true \ --cross_entropy_loss_fusion true \ --lr 5e-6 \ --lr_warmup_fraction 0.05 \ --min_lr 1e-7 \ --num_train_epochs 5 \ --output_dir megatron_output/Qwen3-Embedding-8B \ --save_steps 200 \ --eval_steps 100 \ --max_length 8192 \ --loss_type infonce \ --dataloader_num_workers 4 \ --no_save_optim true \ --no_save_rng true \ --dataset_num_proc 4