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---
license: mit
---
# SelfLong-Llama3.2-3B-Instruct-1M
Wang, Liang, Nan Yang, Xingxing Zhang, Xiaolong Huang, and Furu Wei. "[Bootstrap Your Own Context Length.](https://arxiv.org/pdf/2412.18860)" arXiv preprint arXiv:2412.18860 (2024).
## Overview
The SelfLong series of Large Language Models (LLMs) are designed to handle extremely long contexts, reaching up to 1 million tokens. These models, with parameter sizes of 1B, 3B, and 8B, are initialized from the Llama-3.2 and Llama-3.1 architectures.
## Performance (RULER-1M)
The following table presents the results of the SelfLong models on the [RULER-1M benchmark](https://huggingface.co/datasets/self-long/RULER-llama3-1M). The numbers represent the RULER score averaged over 13 tasks at different support lengths.
| Model | Support Length | 32k | 64k | 128k | 256k | 512k | 1M |
|:----------------------| :------------- | :--- | :--- | :--- | :--- | :--- | :--- |
| Llama-3.2-1B-Instruct | 128k | 64.7 | 43.1 | 0.0 | - | - | - |
| Llama-3.2-3B-Instruct | 128k | 77.8 | 70.4 | 0.8 | - | - | - |
| Llama-3.1-8B-Instruct | 128k | **89.8** | **85.4** | <ins>78.5</ins> | - | - | - |
| gradientai/Llama-3-8B-Instruct-Gradient-1048k | 1M | 81.8 | 78.6 | 77.2 | <ins>74.2</ins> | <ins>70.3</ins> | <ins>64.3</ins> |
| **SelfLong-1B-1M** | 1M | 61.3 | 56.6 | 54.7 | 46.7 | 40.7 | 31.1 |
| **SelfLong-3B-1M** | 1M | 80.5 | 78.0 | 75.5 | 68.8 | 58.5 | 38.8 |
| **SelfLong-8B-1M** | 1M | <ins>89.5</ins> | <ins>84.0</ins> | **82.0** | **79.7** | **78.2** | **69.6** |
**Note:**
* **Bold** indicates the best performance.
* <ins>Underline</ins> indicates the second-best performance.
* `-` indicates that the model does not support the given context length.
## Evaluation on RULER-1M Dataset
To evaluate the SelfLong models on the RULER-1M dataset, you can follow these steps:
1. Start vllm server:
```bash
PROC_PER_NODE=$(nvidia-smi --list-gpus | wc -l)
# Reduce this number if you have limited GPU memory
MAX_MODEL_LEN=1048576
MODEL_NAME_OR_PATH="self-long/SelfLong-Llama3.2-3B-Instruct-1M"
echo "Starting VLLM server..."
vllm serve "${MODEL_NAME_OR_PATH}" \
--dtype auto \
--disable-log-stats --disable-log-requests --disable-custom-all-reduce \
--enable_chunked_prefill --max_num_batched_tokens 8192 \
--tensor-parallel-size "${PROC_PER_NODE}" \
--max-model-len "${MAX_MODEL_LEN}" \
--gpu_memory_utilization 0.9 \
--api-key token-123 &
```
2. Get Completions
```python
from openai import OpenAI
from datasets import load_dataset
client = OpenAI(
base_url="http://localhost:8000/v1", # Default vLLM server address
api_key="token-123"
)
ds = load_dataset('self-long/RULER-llama3-1M', f'niah_single_1_4k', split='validation')
prompt = ds[0]['input']
completion = client.completions.create(
model='self-long/SelfLong-Llama3.2-3B-Instruct-1M',
prompt=prompt,
max_tokens=100,
)
print(prompt)
print(completion.choices[0].text)
```
3. For evaluation, please refer to the evaluation script provided in the RULER repository: [https://github.com/NVIDIA/RULER/blob/main/scripts/eval/evaluate.py](https://github.com/NVIDIA/RULER/blob/main/scripts/eval/evaluate.py).
Note that different vLLM and Torch versions may produce slightly different decoding results.
## References
```
@article{wang2024bootstrap,
title={Bootstrap Your Own Context Length},
author={Wang, Liang and Yang, Nan and Zhang, Xingxing and Huang, Xiaolong and Wei, Furu},
journal={arXiv preprint arXiv:2412.18860},
year={2024}
}
```

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{
"_name_or_path": "selflong-3b/",
"architectures": [
"LlamaForCausalLM"
],
"attention_bias": false,
"attention_dropout": 0.0,
"bos_token_id": 128000,
"eos_token_id": [
128001,
128008,
128009
],
"head_dim": 128,
"hidden_act": "silu",
"hidden_size": 3072,
"initializer_range": 0.02,
"intermediate_size": 8192,
"max_position_embeddings": 1048576,
"mlp_bias": false,
"model_type": "llama",
"num_attention_heads": 24,
"num_hidden_layers": 28,
"num_key_value_heads": 8,
"pad_token_id": 128001,
"pretraining_tp": 1,
"rms_norm_eps": 1e-05,
"rope_scaling": {
"factor": 32.0,
"high_freq_factor": 4.0,
"low_freq_factor": 1.0,
"original_max_position_embeddings": 8192,
"rope_type": "llama3"
},
"rope_theta": 32000000.0,
"tie_word_embeddings": true,
"torch_dtype": "bfloat16",
"transformers_version": "4.49.0",
"use_cache": true,
"vocab_size": 128256
}

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"_from_model_config": true,
"bos_token_id": 128000,
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"transformers_version": "4.49.0"
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