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# 8 * 95GiB
# "cuda>=12.9"
# In this example, FP8 training does not provide any speedup.
PYTORCH_CUDA_ALLOC_CONF='expandable_segments:True' \
NPROC_PER_NODE=8 \
CUDA_VISIBLE_DEVICES=0,1,2,3,4,5,6,7 \
megatron sft \
--model Qwen/Qwen3-30B-A3B-Instruct-2507-FP8 \
--save_safetensors true \
--fp8_recipe blockwise \
--fp8_format e4m3 \
--fp8_param_gather true \
--dataset 'swift/Chinese-Qwen3-235B-2507-Distill-data-110k-SFT#2000' \
'swift/self-cognition#1000' \
--load_from_cache_file true \
--tensor_model_parallel_size 2 \
--expert_model_parallel_size 8 \
--moe_permute_fusion true \
--moe_grouped_gemm true \
--moe_shared_expert_overlap true \
--moe_aux_loss_coeff 1e-6 \
--micro_batch_size 4 \
--global_batch_size 16 \
--recompute_granularity full \
--recompute_method uniform \
--recompute_num_layers 1 \
--num_train_epochs 1 \
--finetune true \
--cross_entropy_loss_fusion true \
--lr 1e-5 \
--lr_warmup_fraction 0.05 \
--min_lr 1e-6 \
--output_dir megatron_output/Qwen3-30B-A3B-Instruct-2507-FP8 \
--eval_steps 200 \
--save_steps 200 \
--max_length 2048 \
--dataloader_num_workers 8 \
--dataset_num_proc 8 \
--no_save_optim true \
--no_save_rng true \
--sequence_parallel true \
--moe_expert_capacity_factor 2 \
--use_precision_aware_optimizer true \
--exp_avg_dtype bf16 \
--exp_avg_sq_dtype bf16 \
--attention_backend flash \
--model_author swift \
--model_name swift-robot
# CUDA_VISIBLE_DEVICES=0 \
# swift infer \
# --model megatron_output/Qwen3-30B-A3B-Instruct-2507-FP8/vx-xxx/checkpoint-xxx \
# --stream true
# CUDA_VISIBLE_DEVICES=0 \
# swift infer \
# --model megatron_output/Qwen3-30B-A3B-Instruct-2507-FP8/vx-xxx/checkpoint-xxx \
# --infer_backend vllm \
# --vllm_max_model_len 8192 \
# --stream true