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{ | ||
"cells": [ | ||
{ | ||
"cell_type": "markdown", | ||
"id": "0c47d7c4", | ||
"metadata": {}, | ||
"source": [ | ||
"# RWKV\n", | ||
"\n", | ||
">[RWKV](https://www.rwkv.com/) (pronounced RwaKuv) language model is an RNN \n", | ||
"> with GPT-level LLM performance, \n", | ||
"> and it can also be directly trained like a GPT transformer (parallelizable).\n", | ||
"\n", | ||
"## Overview\n", | ||
"\n", | ||
"RWKV is combining the best of RNN and transformer - great performance, fast inference, \n", | ||
"fast training, saves VRAM, \"infinite\" ctxlen, and free text embedding. \n", | ||
"Moreover, it's 100% attention-free, and a LFAI project.\n", | ||
"\n", | ||
"### Rwkv models recommended VRAM\n", | ||
"\n", | ||
"| Model | 8bit | bf16/fp16 | fp32 |\n", | ||
"|-------|------|-----------|------|\n", | ||
"| 14B | 16GB | 28GB | >50GB |\n", | ||
"| 7B | 8GB | 14GB | 28GB |\n", | ||
"| 3B | 2.8GB| 6GB | 12GB |\n", | ||
"| 1b5 | 1.3GB| 3GB | 6GB |\n", | ||
"\n", | ||
"See the [rwkv pip](https://pypi.org/project/rwkv/) page for more information about strategies, \n", | ||
"including streaming and CUDA support.\n", | ||
"\n", | ||
"## Setup\n", | ||
"\n", | ||
"- Install the Python `rwkv` and `tokenizer` packages" | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"id": "57081891", | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"!pip install rwkv tokenizer" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"id": "0be7a218", | ||
"metadata": {}, | ||
"source": [ | ||
"- Download a [RWKV model](https://huggingface.co/BlinkDL/rwkv-4-raven/tree/main) and place it in your desired directory\n", | ||
"- Download a [tokens file](https://raw.githubusercontent.com/BlinkDL/ChatRWKV/main/20B_tokenizer.json)\n", | ||
"\n", | ||
"## Instantiation" | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"id": "45d32186", | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"from langchain_community.llms import RWKV" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"id": "4f629ee2", | ||
"metadata": { | ||
"lines_to_next_cell": 0 | ||
}, | ||
"source": [ | ||
"To use the RWKV wrapper, you need to provide the path to the pre-trained model file and the tokenizer's configuration." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"id": "3ad21947", | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"model = RWKV(\n", | ||
" model=\"./models/RWKV-4-Raven-3B-v7-Eng-20230404-ctx4096.pth\",\n", | ||
" strategy=\"cpu fp32\",\n", | ||
" tokens_path=\"./rwkv/20B_tokenizer.json\"\n", | ||
")" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"id": "3538ec3e", | ||
"metadata": {}, | ||
"source": [ | ||
"## Invocation" | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"id": "27003f1c", | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"def generate_prompt(instruction, input=None):\n", | ||
" if input:\n", | ||
" return f\"\"\"Below is an instruction that describes a task, paired with an input that provides\n", | ||
"further context. Write a response that appropriately completes the request.\n", | ||
"\n", | ||
"# Instruction:\n", | ||
"{instruction}\n", | ||
"\n", | ||
"# Input:\n", | ||
"{input}\n", | ||
"\n", | ||
"# Response:\n", | ||
"\"\"\"\n", | ||
" else:\n", | ||
" return f\"\"\"Below is an instruction that describes a task. Write a response that \n", | ||
"appropriately completes the request.\n", | ||
"\n", | ||
"# Instruction:\n", | ||
"{instruction}\n", | ||
"\n", | ||
"# Response:\n", | ||
"\"\"\"\n", | ||
"\n", | ||
"response = model.invoke(generate_prompt(\"Once upon a time, \"))" | ||
] | ||
} | ||
], | ||
"metadata": { | ||
"jupytext": { | ||
"cell_metadata_filter": "-all", | ||
"main_language": "python", | ||
"notebook_metadata_filter": "-all" | ||
}, | ||
"kernelspec": { | ||
"display_name": "Python 3 (ipykernel)", | ||
"language": "python", | ||
"name": "python3" | ||
}, | ||
"language_info": { | ||
"codemirror_mode": { | ||
"name": "ipython", | ||
"version": 3 | ||
}, | ||
"file_extension": ".py", | ||
"mimetype": "text/x-python", | ||
"name": "python", | ||
"nbconvert_exporter": "python", | ||
"pygments_lexer": "ipython3", | ||
"version": "3.10.12" | ||
} | ||
}, | ||
"nbformat": 4, | ||
"nbformat_minor": 5 | ||
} |
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