OPUS-MT-BCL-EN Ascend NPU 部署指南

opus-mt-bcl-en-ascend/
├── inference.py          # 推理测试脚本
├── log.txt               # 测试日志
├── README.md             # 本文档
├── test_sample.txt       # 测试样本
├── inference_result.json # 推理结果
└── precision_result.json # 精度测试结果

docker exec -it test-modelagent bash

source /usr/local/Ascend/ascend-toolkit/set_env.sh

pip install transformers torch_npu

cd /data/ysws/agentsp/5-19/opus-mt-bcl-en-ascend/
python3 inference.py

cd /data/ysws/agentsp/5-19/opus-mt-bcl-en-ascend/
python3 inference.py precision_test

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OPUS-MT-BCL-EN NPU Test
Output: /data/ysws/agentsp/5-19/opus-mt-bcl-en-ascend
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============================================================
OPUS-MT-BCL-EN Inference Test (NPU)
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Device: npu:0
Model: /data/ysws/agentsp/5-19/opus-mt-bcl-en/Helsinki-NLP/opus-mt-bcl-en
Loading tokenizer...
Loading model...
Loading weights: 100%|██████████| 258/258 [00:00<00:00, 11647.46it/s]
[transformers] Both `max_new_tokens` (=50) and `max_length`(=512) seem to have been set. `max_new_tokens` will take precedence. Please refer to the documentation for more information. (https://huggingface.co/docs/transformers/main/en/main_classes/text_generation)

Input text: ['Nagpangako ako na magtotoo ako.']
Input shape: torch.Size([1, 10])
Generated text: ['I promised to go to church.']
Inference time: 0.902s

============================================================
Creating Test Sample
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Saved test sample
  1. Nagpangako ako na magtotoo ako.
  2. Maboot ako digdi.
  3. Salamat sa pagbiyahe mo.

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Precision Test (CPU vs NPU)
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Loading model on CPU...
Loading weights: 100%|██████████| 258/258 [00:00<00:00, 11469.56it/s]
[transformers] Both `max_new_tokens` (=50) and `max_length`(=512) seem to have been set. `max_new_tokens` will take precedence. Please refer to the documentation for more information. (https://huggingface.co/docs/transformers/main/en/main_classes/text_generation)
CPU inference time: 1.949s
CPU output: ['I promised to go to church.']
Loading model on npu:0...
Loading weights: 100%|██████████| 258/258 [00:00<00:00, 10839.95it/s]
[transformers] Both `max_new_tokens` (=50) and `max_length`(=512) seem to have been set. `max_new_tokens` will take precedence. Please refer to the documentation for more information. (https://huggingface.co/docs/transformers/main/en/main_classes/text_generation)
NPU inference time: 0.158s
NPU output: ['I promised to go to church.']

CPU inference time: 1.949s
NPU inference time: 0.158s
Speedup: 12.36x
CPU output: ['I promised to go to church.']
NPU output: ['I promised to go to church.']
Output texts match: True
Status: PASS

============================================================
Test Complete!
============================================================

import torch
from transformers import MarianTokenizer, MarianMTModel

MODEL_DIR = "/data/ysws/agentsp/5-19/opus-mt-bcl-en/Helsinki-NLP/opus-mt-bcl-en"

tokenizer = MarianTokenizer.from_pretrained(MODEL_DIR)
model = MarianMTModel.from_pretrained(MODEL_DIR)
model = model.to("npu:0")
model.eval()

src_texts = ["Nagpangako ako na magtotoo ako."]
inputs = tokenizer(src_texts, return_tensors="pt", padding=True)
inputs = {k: v.to("npu:0") for k, v in inputs.items()}

with torch.no_grad():
    outputs = model.generate(inputs['input_ids'], max_new_tokens=50)

translations = tokenizer.batch_decode(outputs, skip_special_tokens=True)
print(translations)  # ["I promised to go to church."]