wehub-resource-sync
40 lines
1.2 KiB
Bash
40 lines
1.2 KiB
Bash
# test_env: H20, cuda12.9
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# FP8: 8 * 58GiB 8s/it
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# BF16: 8 * 52GiB 13s/it
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PYTORCH_CUDA_ALLOC_CONF='expandable_segments:True' \
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NPROC_PER_NODE=8 \
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CUDA_VISIBLE_DEVICES=0,1,2,3,4,5,6,7 \
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megatron sft \
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--model Qwen/Qwen3-14B-FP8 \
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--save_safetensors true \
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--fp8_recipe blockwise \
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--fp8_format e4m3 \
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--fp8_param_gather true \
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--dataset 'swift/Chinese-Qwen3-235B-2507-Distill-data-110k-SFT#20000' \
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--load_from_cache_file true \
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--tensor_model_parallel_size 4 \
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--micro_batch_size 1 \
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--global_batch_size 16 \
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--packing true \
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--recompute_granularity selective \
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--num_train_epochs 1 \
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--finetune true \
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--cross_entropy_loss_fusion true \
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--cross_entropy_fusion_impl native \
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--lr 1e-5 \
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--lr_warmup_fraction 0.05 \
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--min_lr 1e-6 \
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--output_dir megatron_output/Qwen3-14B-FP8 \
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--eval_steps 200 \
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--save_steps 200 \
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--max_length 8192 \
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--dataloader_num_workers 8 \
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--dataset_num_proc 8 \
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--no_save_optim true \
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--no_save_rng true \
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--sequence_parallel true \
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--use_precision_aware_optimizer true \
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--exp_avg_dtype bf16 \
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--exp_avg_sq_dtype bf16 \
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--attention_backend flash
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