Feature(LLMLingua): update readme

README.md

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 Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
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+
+<div style="display: flex; align-items: center; ">  
+    <div style="width: 100px; margin-right: 10px; height:auto;" align="left">  
+        <img src="images/LLMLingua_logo.png" alt="LLMLingua" width="100" align="left">  
+    </div>  
+    <div style="flex-grow: 1;" align="center">  
+        <h2 align="center">LLMLingua: Compressing Prompts for Accelerated Inference of Large Language Models & LongLLMLingua</h1>  
+    </div>  
+</div>
+
+<p align="center">
+| <a href="https://arxiv.org/abs/2310.05736"><b>LLMLingua Paper</b></a> | <a href="https://arxiv.org/abs/2310.06839"><b>LongLLMLingua Paper</b></a> | <a href="https://huggingface.co/spaces/microsoft/LLMLingua"><b>HF Space Demo</b></a> |
+</p>
+
+## Tl;DR
+
+LLMLingua, that uses a well-trained small language model after alignment, such as GPT2-small or LLaMA-7B, to detect the unimportant tokens in the prompt and enable inference with the compressed prompt in black-box LLMs, achieving up to 20x compression with minimal performance loss.
+
+[LLMLingua: Compressing Prompts for Accelerated Inference of Large Language Models](https://arxiv.org/abs/2310.05736) (EMNLP 2023).<br>
+_Huiqiang Jiang, Qianhui Wu, Chin-Yew Lin, Yuqing Yang and Lili Qiu_
+
+LongLLMLingua is a method that enhances LLMs' ability to perceive key information in long-context scenarios using prompt compression, achieveing up to $28.5 in cost savings per 1,000 samples while also improving performance.
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+[LongLLMLingua: Accelerating and Enhancing LLMs in Long Context Scenarios via Prompt Compression](https://arxiv.org/abs/2310.06839) (Under Review).<br>
+_Huiqiang Jiang, Qianhui Wu, Xufang Luo, Dongsheng Li, Chin-Yew Lin, Yuqing Yang and Lili Qiu_