模型:
ccdv/lsg-bart-base-4096-wcep
Transformers >= 4.23.1 This model relies on a custom modeling file, you need to add trust_remote_code=True See #13467
LSG ArXiv paper . Github/conversion script is available at this link .
from transformers import AutoTokenizer, AutoModelForSeq2SeqLM, pipeline tokenizer = AutoTokenizer.from_pretrained("ccdv/lsg-bart-base-4096-wcep", trust_remote_code=True) model = AutoModelForSeq2SeqLM.from_pretrained("ccdv/lsg-bart-base-4096-wcep", trust_remote_code=True) text = "Replace by what you want." pipe = pipeline("text2text-generation", model=model, tokenizer=tokenizer, device=0) generated_text = pipe(text, truncation=True, max_length=64, no_repeat_ngram_size=7)
This model is a fine-tuned version of ccdv/lsg-bart-base-4096 on the ccdv/WCEP-10 roberta dataset. It achieves the following results on the test set:
Length | Sparse Type | Block Size | Sparsity | Connexions | R1 | R2 | RL | RLsum |
---|---|---|---|---|---|---|---|---|
4096 | Local | 256 | 0 | 768 | 46.02 | 24.23 | 37.38 | 38.72 |
4096 | Local | 128 | 0 | 384 | 45.43 | 23.86 | 36.94 | 38.30 |
4096 | Pooling | 128 | 4 | 644 | 45.36 | 23.61 | 36.75 | 38.06 |
4096 | Stride | 128 | 4 | 644 | 45.87 | 24.31 | 37.41 | 38.70 |
4096 | Block Stride | 128 | 4 | 644 | 45.78 | 24.16 | 37.20 | 38.48 |
4096 | Norm | 128 | 4 | 644 | 45.34 | 23.39 | 36.47 | 37.78 |
4096 | LSH | 128 | 4 | 644 | 45.15 | 23.53 | 36.74 | 38.02 |
With smaller block size (lower ressources):
Length | Sparse Type | Block Size | Sparsity | Connexions | R1 | R2 | RL | RLsum |
---|---|---|---|---|---|---|---|---|
4096 | Local | 64 | 0 | 192 | 44.48 | 22.98 | 36.20 | 37.52 |
4096 | Local | 32 | 0 | 96 | 43.60 | 22.17 | 35.61 | 36.66 |
4096 | Pooling | 32 | 4 | 160 | 43.91 | 22.41 | 35.80 | 36.92 |
4096 | Stride | 32 | 4 | 160 | 44.62 | 23.11 | 36.32 | 37.53 |
4096 | Block Stride | 32 | 4 | 160 | 44.47 | 23.02 | 36.28 | 37.46 |
4096 | Norm | 32 | 4 | 160 | 44.45 | 23.03 | 36.10 | 37.33 |
4096 | LSH | 32 | 4 | 160 | 43.87 | 22.50 | 35.75 | 36.93 |
The model relies on Local-Sparse-Global attention to handle long sequences:
The model has about ~145 millions parameters (6 encoder layers - 6 decoder layers). The model is warm started from BART-base, converted to handle long sequences (encoder only) and fine tuned.
More information needed
More information needed
The following hyperparameters were used during training:
The following hyperparameters were used during generation: