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wehub-resource-sync a203934033
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chore: import upstream snapshot with attribution
2026-07-13 13:34:58 +08:00

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# 2 * 50GiB
# `--model` can directly accept a model with FP8 weights,
# and the FP8 weight model will be saved directly upon training completion.
PYTORCH_CUDA_ALLOC_CONF='expandable_segments:True' \
NPROC_PER_NODE=2 \
CUDA_VISIBLE_DEVICES=0,1 \
IMAGE_MAX_TOKEN_NUM=1024 \
VIDEO_MAX_TOKEN_NUM=128 \
FPS_MAX_FRAMES=12 \
megatron sft \
--model Qwen/Qwen3.5-4B \
--save_safetensors true \
--dataset 'AI-ModelScope/alpaca-gpt4-data-zh#500' \
'AI-ModelScope/alpaca-gpt4-data-en#500' \
'swift/self-cognition#500' \
'AI-ModelScope/LaTeX_OCR:human_handwrite#2000' \
--model_author swift \
--model_name swift-robot \
--linear_decoupled_in_proj true \
--load_from_cache_file true \
--add_non_thinking_prefix true \
--loss_scale ignore_empty_think \
--fp8_recipe blockwise \
--fp8_format e4m3 \
--fp8_param_gather true \
--split_dataset_ratio 0.01 \
--tuner_type full \
--tensor_model_parallel_size 2 \
--micro_batch_size 1 \
--global_batch_size 2 \
--recompute_granularity full \
--recompute_method uniform \
--recompute_num_layers 1 \
--num_train_epochs 1 \
--packing true \
--finetune true \
--freeze_llm false \
--freeze_vit true \
--freeze_aligner true \
--cross_entropy_loss_fusion true \
--lr 1e-5 \
--lr_warmup_fraction 0.05 \
--min_lr 1e-6 \
--output_dir megatron_output/Qwen3.5-4B-FP8 \
--eval_steps 200 \
--save_steps 200 \
--max_length 4096 \
--dataloader_num_workers 8 \
--dataset_num_proc 8 \
--no_save_optim true \
--no_save_rng true \
--sequence_parallel true \
--mtp_num_layers 1 \
--attention_backend flash
# PYTORCH_CUDA_ALLOC_CONF='expandable_segments:True' \
# CUDA_VISIBLE_DEVICES=0 \
# IMAGE_MAX_TOKEN_NUM=1024 \
# VIDEO_MAX_TOKEN_NUM=128 \
# FPS_MAX_FRAMES=12 \
# swift infer \
# --model megatron_output/Qwen3.5-4B-FP8/vx-xxx/checkpoint-xxx \
# --stream true \
# --enable_thinking false \
# --load_data_args true
# vllm
# PYTORCH_CUDA_ALLOC_CONF='expandable_segments:True' \
# CUDA_VISIBLE_DEVICES=0 \
# IMAGE_MAX_TOKEN_NUM=1024 \
# VIDEO_MAX_TOKEN_NUM=128 \
# FPS_MAX_FRAMES=12 \
# swift infer \
# --model megatron_output/Qwen3.5-4B-FP8/vx-xxx/checkpoint-xxx \
# --stream true \
# --enable_thinking false \
# --load_data_args true \
# --infer_backend vllm \
# --vllm_tensor_parallel_size 1 \
# --vllm_max_model_len 8192 \
# --vllm_speculative_config '{"method":"qwen3_next_mtp","num_speculative_tokens":2}'