forked from Archives/langchain
c33883a40e
- fixed the Cohere example title (bug in #3041, sorry for it) - fixed the runhouse.ipynb file name inconsistency
328 lines
8.0 KiB
Plaintext
328 lines
8.0 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"id": "9597802c",
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"metadata": {},
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"source": [
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"# Runhouse\n",
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"\n",
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"The [Runhouse](https://github.com/run-house/runhouse) allows remote compute and data across environments and users. See the [Runhouse docs](https://runhouse-docs.readthedocs-hosted.com/en/latest/).\n",
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"\n",
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"This example goes over how to use LangChain and [Runhouse](https://github.com/run-house/runhouse) to interact with models hosted on your own GPU, or on-demand GPUs on AWS, GCP, AWS, or Lambda.\n",
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"\n",
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"**Note**: Code uses `SelfHosted` name instead of the `Runhouse`."
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "6066fede-2300-4173-9722-6f01f4fa34b4",
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"metadata": {
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"tags": []
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},
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"outputs": [],
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"source": [
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"!pip install runhouse"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"id": "6fb585dd",
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"metadata": {
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"tags": []
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"INFO | 2023-04-17 16:47:36,173 | No auth token provided, so not using RNS API to save and load configs\n"
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]
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}
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],
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"source": [
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"from langchain.llms import SelfHostedPipeline, SelfHostedHuggingFaceLLM\n",
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"from langchain import PromptTemplate, LLMChain\n",
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"import runhouse as rh"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"id": "06d6866e",
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"metadata": {
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"tags": []
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},
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"outputs": [],
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"source": [
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"# For an on-demand A100 with GCP, Azure, or Lambda\n",
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"gpu = rh.cluster(name=\"rh-a10x\", instance_type=\"A100:1\", use_spot=False)\n",
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"\n",
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"# For an on-demand A10G with AWS (no single A100s on AWS)\n",
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"# gpu = rh.cluster(name='rh-a10x', instance_type='g5.2xlarge', provider='aws')\n",
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"\n",
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"# For an existing cluster\n",
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"# gpu = rh.cluster(ips=['<ip of the cluster>'], \n",
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"# ssh_creds={'ssh_user': '...', 'ssh_private_key':'<path_to_key>'},\n",
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"# name='rh-a10x')"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 5,
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"id": "035dea0f",
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"metadata": {
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"tags": []
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},
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"outputs": [],
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"source": [
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"template = \"\"\"Question: {question}\n",
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"\n",
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"Answer: Let's think step by step.\"\"\"\n",
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"\n",
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"prompt = PromptTemplate(template=template, input_variables=[\"question\"])"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "3f3458d9",
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"metadata": {
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"tags": []
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},
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"outputs": [],
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"source": [
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"llm = SelfHostedHuggingFaceLLM(model_id=\"gpt2\", hardware=gpu, model_reqs=[\"pip:./\", \"transformers\", \"torch\"])"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"id": "a641dbd9",
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"metadata": {},
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"outputs": [],
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"source": [
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"llm_chain = LLMChain(prompt=prompt, llm=llm)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 31,
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"id": "6fb6fdb2",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"INFO | 2023-02-17 05:42:23,537 | Running _generate_text via gRPC\n",
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"INFO | 2023-02-17 05:42:24,016 | Time to send message: 0.48 seconds\n"
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]
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},
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{
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"data": {
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"text/plain": [
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"\"\\n\\nLet's say we're talking sports teams who won the Super Bowl in the year Justin Beiber\""
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]
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},
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"execution_count": 31,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"question = \"What NFL team won the Super Bowl in the year Justin Beiber was born?\"\n",
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"\n",
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"llm_chain.run(question)"
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]
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},
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{
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"cell_type": "markdown",
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"id": "c88709cd",
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"metadata": {},
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"source": [
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"You can also load more custom models through the SelfHostedHuggingFaceLLM interface:"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "22820c5a",
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"metadata": {
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"scrolled": true
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},
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"outputs": [],
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"source": [
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"llm = SelfHostedHuggingFaceLLM(\n",
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" model_id=\"google/flan-t5-small\",\n",
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" task=\"text2text-generation\",\n",
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" hardware=gpu,\n",
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")"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 39,
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"id": "1528e70f",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"INFO | 2023-02-17 05:54:21,681 | Running _generate_text via gRPC\n",
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"INFO | 2023-02-17 05:54:21,937 | Time to send message: 0.25 seconds\n"
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]
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},
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{
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"data": {
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"text/plain": [
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"'berlin'"
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]
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},
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"execution_count": 39,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"llm(\"What is the capital of Germany?\")"
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]
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},
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{
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"cell_type": "markdown",
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"id": "7a0c3746",
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"metadata": {},
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"source": [
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"Using a custom load function, we can load a custom pipeline directly on the remote hardware:"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 34,
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"id": "893eb1d3",
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"metadata": {},
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"outputs": [],
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"source": [
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"def load_pipeline():\n",
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" from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline # Need to be inside the fn in notebooks\n",
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" model_id = \"gpt2\"\n",
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" tokenizer = AutoTokenizer.from_pretrained(model_id)\n",
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" model = AutoModelForCausalLM.from_pretrained(model_id)\n",
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" pipe = pipeline(\n",
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" \"text-generation\", model=model, tokenizer=tokenizer, max_new_tokens=10\n",
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" )\n",
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" return pipe\n",
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"\n",
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"def inference_fn(pipeline, prompt, stop = None):\n",
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" return pipeline(prompt)[0][\"generated_text\"][len(prompt):]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "087d50dc",
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"metadata": {
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"scrolled": true
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},
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"outputs": [],
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"source": [
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"llm = SelfHostedHuggingFaceLLM(model_load_fn=load_pipeline, hardware=gpu, inference_fn=inference_fn)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 36,
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"id": "feb8da8e",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"INFO | 2023-02-17 05:42:59,219 | Running _generate_text via gRPC\n",
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"INFO | 2023-02-17 05:42:59,522 | Time to send message: 0.3 seconds\n"
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]
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},
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{
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"data": {
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"text/plain": [
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"'john w. bush'"
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]
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},
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"execution_count": 36,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"llm(\"Who is the current US president?\")"
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]
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},
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{
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"cell_type": "markdown",
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"id": "af08575f",
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"metadata": {},
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"source": [
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"You can send your pipeline directly over the wire to your model, but this will only work for small models (<2 Gb), and will be pretty slow:"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "d23023b9",
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"metadata": {},
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"outputs": [],
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"source": [
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"pipeline = load_pipeline()\n",
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"llm = SelfHostedPipeline.from_pipeline(\n",
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" pipeline=pipeline, hardware=gpu, model_reqs=model_reqs\n",
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")"
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]
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},
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{
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"cell_type": "markdown",
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"id": "fcb447a1",
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"metadata": {},
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"source": [
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"Instead, we can also send it to the hardware's filesystem, which will be much faster."
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "7206b7d6",
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"metadata": {},
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"outputs": [],
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"source": [
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"rh.blob(pickle.dumps(pipeline), path=\"models/pipeline.pkl\").save().to(gpu, path=\"models\")\n",
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"\n",
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"llm = SelfHostedPipeline.from_pipeline(pipeline=\"models/pipeline.pkl\", hardware=gpu)"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3 (ipykernel)",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.10.6"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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