# stas /tiny-wmt19-en-de

tiny-wmt19-en-de / fsmt-make-tiny-model.py
stas
HF staff
add the script
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2.18 kB
 #!/usr/bin/env python # coding: utf-8 # Copyright 2020 The HuggingFace Team. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # This script creates a super tiny model that is useful inside tests, when we just want to test that # the machinery works, without needing to the check the quality of the outcomes. # # This version creates a tiny model through reduction of a normal pre-trained model, but keeping the # full vocab, merges file, and thus also resulting in a larger model due to a large vocab size. # This gives ~3MB in total for all files. # # If you want a 50 times smaller than this see fsmt-make-super-tiny-model.py, which is slightly more complicated # # # It will be used then as "stas/tiny-wmt19-en-de" # Build from transformers import FSMTTokenizer, FSMTConfig, FSMTForConditionalGeneration mname = "facebook/wmt19-en-de" tokenizer = FSMTTokenizer.from_pretrained(mname) # get the correct vocab sizes, etc. from the master model config = FSMTConfig.from_pretrained(mname) config.update(dict( d_model=4, encoder_layers=1, decoder_layers=1, encoder_ffn_dim=4, decoder_ffn_dim=4, encoder_attention_heads=1, decoder_attention_heads=1)) tiny_model = FSMTForConditionalGeneration(config) print(f"num of params {tiny_model.num_parameters()}") # Test batch = tokenizer(["Making tiny model"], return_tensors="pt") outputs = tiny_model(**batch) print("test output:", len(outputs.logits[0])) # Save mname_tiny = "tiny-wmt19-en-de" tiny_model.half() # makes it smaller tiny_model.save_pretrained(mname_tiny) tokenizer.save_pretrained(mname_tiny) print(f"Generated {mname_tiny}") # Upload # transformers-cli upload tiny-wmt19-en-de