2023-07-04 16:05:27 +02:00
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<html>
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
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2023-08-01 10:56:23 +02:00
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<meta name="color-scheme" content="light dark">
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2023-07-04 16:05:27 +02:00
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<title>llama.cpp - chat</title>
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<style>
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body {
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font-family: system-ui;
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font-size: 90%;
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}
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#container {
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margin: 0em auto;
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display: flex;
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flex-direction: column;
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justify-content: space-between;
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height: 100%;
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}
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main {
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margin: 3px;
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display: flex;
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flex-direction: column;
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justify-content: space-between;
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gap: 1em;
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flex-grow: 1;
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overflow-y: auto;
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border: 1px solid #ccc;
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border-radius: 5px;
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padding: 0.5em;
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}
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body {
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max-width: 600px;
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min-width: 300px;
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line-height: 1.2;
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margin: 0 auto;
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padding: 0 0.5em;
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}
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p {
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overflow-wrap: break-word;
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word-wrap: break-word;
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hyphens: auto;
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margin-top: 0.5em;
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margin-bottom: 0.5em;
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}
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#write form {
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margin: 1em 0 0 0;
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display: flex;
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flex-direction: column;
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gap: 0.5em;
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align-items: stretch;
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}
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.right {
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display: flex;
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flex-direction: row;
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gap: 0.5em;
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justify-content: flex-end;
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}
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fieldset {
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border: none;
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padding: 0;
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margin: 0;
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}
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2023-07-24 16:54:22 +02:00
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fieldset.two {
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display: grid;
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grid-template: "a a";
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gap: 1em;
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}
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fieldset.three {
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display: grid;
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grid-template: "a a a";
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gap: 1em;
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}
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details {
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border: 1px solid #aaa;
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border-radius: 4px;
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padding: 0.5em 0.5em 0;
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margin-top: 0.5em;
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}
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summary {
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font-weight: bold;
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margin: -0.5em -0.5em 0;
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padding: 0.5em;
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cursor: pointer;
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}
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details[open] {
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padding: 0.5em;
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}
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2023-07-04 16:05:27 +02:00
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textarea {
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padding: 5px;
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flex-grow: 1;
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width: 100%;
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}
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pre code {
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display: block;
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background-color: #222;
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color: #ddd;
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}
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code {
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font-family: monospace;
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padding: 0.1em 0.3em;
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border-radius: 3px;
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}
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fieldset label {
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margin: 0.5em 0;
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display: block;
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}
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2023-07-05 22:51:13 +02:00
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header, footer {
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text-align: center;
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}
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footer {
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font-size: 80%;
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color: #888;
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}
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2023-07-04 16:05:27 +02:00
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</style>
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<script type="module">
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import {
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html, h, signal, effect, computed, render, useSignal, useEffect, useRef
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} from '/index.js';
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2023-07-05 22:51:13 +02:00
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import { llama } from '/completion.js';
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2023-08-14 09:16:54 +02:00
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import { SchemaConverter } from '/json-schema-to-grammar.mjs';
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2023-07-04 16:05:27 +02:00
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const session = signal({
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2023-07-05 22:51:13 +02:00
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prompt: "This is a conversation between user and llama, a friendly chatbot. respond in simple markdown.",
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2023-07-04 16:05:27 +02:00
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template: "{{prompt}}\n\n{{history}}\n{{char}}:",
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historyTemplate: "{{name}}: {{message}}",
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transcript: [],
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type: "chat",
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char: "llama",
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user: "User",
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})
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const params = signal({
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n_predict: 400,
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temperature: 0.7,
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2023-07-24 16:54:22 +02:00
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repeat_last_n: 256, // 0 = disable penalty, -1 = context size
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repeat_penalty: 1.18, // 1.0 = disabled
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top_k: 40, // <= 0 to use vocab size
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top_p: 0.5, // 1.0 = disabled
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tfs_z: 1.0, // 1.0 = disabled
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typical_p: 1.0, // 1.0 = disabled
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presence_penalty: 0.0, // 0.0 = disabled
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frequency_penalty: 0.0, // 0.0 = disabled
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mirostat: 0, // 0/1/2
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mirostat_tau: 5, // target entropy
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mirostat_eta: 0.1, // learning rate
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2023-08-14 10:20:17 +02:00
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grammar: '',
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2023-07-04 16:05:27 +02:00
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})
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2023-07-05 22:51:13 +02:00
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const llamaStats = signal(null)
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2023-07-04 16:05:27 +02:00
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const controller = signal(null)
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2023-07-05 22:51:13 +02:00
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2023-07-04 16:05:27 +02:00
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const generating = computed(() => controller.value == null )
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2023-07-05 22:51:13 +02:00
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const chatStarted = computed(() => session.value.transcript.length > 0)
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const transcriptUpdate = (transcript) => {
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session.value = {
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...session.value,
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transcript
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}
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}
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2023-07-04 16:05:27 +02:00
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// simple template replace
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const template = (str, extraSettings) => {
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let settings = session.value;
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if (extraSettings) {
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settings = { ...settings, ...extraSettings };
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}
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return String(str).replaceAll(/\{\{(.*?)\}\}/g, (_, key) => template(settings[key]));
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}
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// send message to server
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const chat = async (msg) => {
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if (controller.value) {
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console.log('already running...');
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return;
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}
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controller.value = new AbortController();
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transcriptUpdate([...session.value.transcript, ["{{user}}", msg]])
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2023-07-05 22:51:13 +02:00
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const prompt = template(session.value.template, {
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2023-07-04 16:05:27 +02:00
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message: msg,
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history: session.value.transcript.flatMap(([name, message]) => template(session.value.historyTemplate, {name, message})).join("\n"),
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});
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let currentMessage = '';
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const history = session.value.transcript
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const llamaParams = {
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...params.value,
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stop: ["</s>", template("{{char}}:"), template("{{user}}:")],
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}
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2023-07-05 22:51:13 +02:00
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for await (const chunk of llama(prompt, llamaParams, { controller: controller.value })) {
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const data = chunk.data;
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2023-07-04 16:05:27 +02:00
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currentMessage += data.content;
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2023-07-05 22:51:13 +02:00
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2023-07-04 16:05:27 +02:00
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// remove leading whitespace
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currentMessage = currentMessage.replace(/^\s+/, "")
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transcriptUpdate([...history, ["{{char}}", currentMessage]])
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if (data.stop) {
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2023-07-05 22:51:13 +02:00
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console.log("Completion finished: '", currentMessage, "', summary: ", data);
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2023-07-04 16:05:27 +02:00
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}
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2023-07-05 22:51:13 +02:00
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if (data.timings) {
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llamaStats.value = data.timings;
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}
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}
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2023-07-04 16:05:27 +02:00
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controller.value = null;
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}
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function MessageInput() {
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const message = useSignal("")
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const stop = (e) => {
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e.preventDefault();
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if (controller.value) {
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controller.value.abort();
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controller.value = null;
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}
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}
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const reset = (e) => {
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stop(e);
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transcriptUpdate([]);
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}
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const submit = (e) => {
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stop(e);
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chat(message.value);
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message.value = "";
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}
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const enterSubmits = (event) => {
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if (event.which === 13 && !event.shiftKey) {
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submit(event);
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}
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}
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return html`
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<form onsubmit=${submit}>
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<div>
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2023-07-05 22:51:13 +02:00
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<textarea type="text" rows=2 onkeypress=${enterSubmits} value="${message}" oninput=${(e) => message.value = e.target.value} placeholder="Say something..."/>
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2023-07-04 16:05:27 +02:00
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</div>
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<div class="right">
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2023-07-05 22:51:13 +02:00
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<button type="submit" disabled=${!generating.value} >Send</button>
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<button onclick=${stop} disabled=${generating}>Stop</button>
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<button onclick=${reset}>Reset</button>
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2023-07-04 16:05:27 +02:00
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</div>
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</form>
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`
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}
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const ChatLog = (props) => {
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const messages = session.value.transcript;
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const container = useRef(null)
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useEffect(() => {
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// scroll to bottom (if needed)
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2023-08-04 22:16:11 +02:00
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const parent = container.current.parentElement;
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if (parent && parent.scrollHeight <= parent.scrollTop + parent.offsetHeight + 300) {
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parent.scrollTo(0, parent.scrollHeight)
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2023-07-04 16:05:27 +02:00
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}
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}, [messages])
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const chatLine = ([user, msg]) => {
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2023-07-05 22:51:13 +02:00
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return html`<p key=${msg}><strong>${template(user)}:</strong> <${Markdownish} text=${template(msg)} /></p>`
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2023-07-04 16:05:27 +02:00
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};
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return html`
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<section id="chat" ref=${container}>
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${messages.flatMap(chatLine)}
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</section>`;
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};
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const ConfigForm = (props) => {
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const updateSession = (el) => session.value = { ...session.value, [el.target.name]: el.target.value }
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const updateParams = (el) => params.value = { ...params.value, [el.target.name]: el.target.value }
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const updateParamsFloat = (el) => params.value = { ...params.value, [el.target.name]: parseFloat(el.target.value) }
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2023-07-24 16:54:22 +02:00
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const updateParamsInt = (el) => params.value = { ...params.value, [el.target.name]: Math.floor(parseFloat(el.target.value)) }
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2023-08-14 09:16:54 +02:00
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const grammarJsonSchemaPropOrder = signal('')
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const updateGrammarJsonSchemaPropOrder = (el) => grammarJsonSchemaPropOrder.value = el.target.value
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const convertJSONSchemaGrammar = () => {
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try {
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const schema = JSON.parse(params.value.grammar)
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const converter = new SchemaConverter(
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grammarJsonSchemaPropOrder.value
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.split(',')
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.reduce((acc, cur, i) => ({...acc, [cur.trim()]: i}), {})
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)
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converter.visit(schema, '')
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params.value = {
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...params.value,
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grammar: converter.formatGrammar(),
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}
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} catch (e) {
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alert(`Convert failed: ${e.message}`)
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}
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}
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2023-07-24 16:54:22 +02:00
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const FloatField = ({label, max, min, name, step, value}) => {
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return html`
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<div>
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<label for="${name}">${label}</label>
|
|
|
|
|
<input type="range" id="${name}" min="${min}" max="${max}" step="${step}" name="${name}" value="${value}" oninput=${updateParamsFloat} />
|
|
|
|
|
<span>${value}</span>
|
|
|
|
|
</div>
|
|
|
|
|
`
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const IntField = ({label, max, min, name, value}) => {
|
|
|
|
|
return html`
|
|
|
|
|
<div>
|
|
|
|
|
<label for="${name}">${label}</label>
|
|
|
|
|
<input type="range" id="${name}" min="${min}" max="${max}" name="${name}" value="${value}" oninput=${updateParamsInt} />
|
|
|
|
|
<span>${value}</span>
|
|
|
|
|
</div>
|
|
|
|
|
`
|
|
|
|
|
};
|
2023-07-04 16:05:27 +02:00
|
|
|
|
|
|
|
|
return html`
|
|
|
|
|
<form>
|
|
|
|
|
<fieldset>
|
|
|
|
|
<div>
|
|
|
|
|
<label for="prompt">Prompt</label>
|
|
|
|
|
<textarea type="text" name="prompt" value="${session.value.prompt}" rows=4 oninput=${updateSession}/>
|
|
|
|
|
</div>
|
2023-07-24 16:54:22 +02:00
|
|
|
</fieldset>
|
2023-07-04 16:05:27 +02:00
|
|
|
|
2023-07-24 16:54:22 +02:00
|
|
|
<fieldset class="two">
|
2023-07-04 16:05:27 +02:00
|
|
|
<div>
|
|
|
|
|
<label for="user">User name</label>
|
|
|
|
|
<input type="text" name="user" value="${session.value.user}" oninput=${updateSession} />
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
<div>
|
|
|
|
|
<label for="bot">Bot name</label>
|
|
|
|
|
<input type="text" name="char" value="${session.value.char}" oninput=${updateSession} />
|
|
|
|
|
</div>
|
2023-07-24 16:54:22 +02:00
|
|
|
</fieldset>
|
2023-07-04 16:05:27 +02:00
|
|
|
|
2023-07-24 16:54:22 +02:00
|
|
|
<fieldset>
|
2023-07-04 16:05:27 +02:00
|
|
|
<div>
|
|
|
|
|
<label for="template">Prompt template</label>
|
|
|
|
|
<textarea id="template" name="template" value="${session.value.template}" rows=4 oninput=${updateSession}/>
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
<div>
|
|
|
|
|
<label for="template">Chat history template</label>
|
|
|
|
|
<textarea id="template" name="historyTemplate" value="${session.value.historyTemplate}" rows=1 oninput=${updateSession}/>
|
|
|
|
|
</div>
|
2023-08-14 09:16:54 +02:00
|
|
|
|
|
|
|
|
<div>
|
|
|
|
|
<label for="template">Grammar</label>
|
|
|
|
|
<textarea id="grammar" name="grammar" placeholder="Use gbnf or JSON Schema+convert" value="${params.value.grammar}" rows=4 oninput=${updateParams}/>
|
|
|
|
|
<input type="text" name="prop-order" placeholder="order: prop1,prop2,prop3" oninput=${updateGrammarJsonSchemaPropOrder} />
|
|
|
|
|
<button type="button" onclick=${convertJSONSchemaGrammar}>Convert JSON Schema</button>
|
|
|
|
|
</div>
|
2023-07-24 16:54:22 +02:00
|
|
|
</fieldset>
|
2023-07-04 16:05:27 +02:00
|
|
|
|
2023-07-24 16:54:22 +02:00
|
|
|
<fieldset class="two">
|
|
|
|
|
${IntField({label: "Predictions", max: 2048, min: -1, name: "n_predict", value: params.value.n_predict})}
|
|
|
|
|
${FloatField({label: "Temperature", max: 1.5, min: 0.0, name: "temperature", step: 0.01, value: params.value.temperature})}
|
|
|
|
|
${FloatField({label: "Penalize repeat sequence", max: 2.0, min: 0.0, name: "repeat_penalty", step: 0.01, value: params.value.repeat_penalty})}
|
|
|
|
|
${IntField({label: "Consider N tokens for penalize", max: 2048, min: 0, name: "repeat_last_n", value: params.value.repeat_last_n})}
|
|
|
|
|
${IntField({label: "Top-K sampling", max: 100, min: -1, name: "top_k", value: params.value.top_k})}
|
|
|
|
|
${FloatField({label: "Top-P sampling", max: 1.0, min: 0.0, name: "top_p", step: 0.01, value: params.value.top_p})}
|
2023-07-04 16:05:27 +02:00
|
|
|
</fieldset>
|
2023-07-24 16:54:22 +02:00
|
|
|
<details>
|
|
|
|
|
<summary>More options</summary>
|
|
|
|
|
<fieldset class="two">
|
|
|
|
|
${FloatField({label: "TFS-Z", max: 1.0, min: 0.0, name: "tfs_z", step: 0.01, value: params.value.tfs_z})}
|
|
|
|
|
${FloatField({label: "Typical P", max: 1.0, min: 0.0, name: "typical_p", step: 0.01, value: params.value.typical_p})}
|
|
|
|
|
${FloatField({label: "Presence penalty", max: 1.0, min: 0.0, name: "presence_penalty", step: 0.01, value: params.value.presence_penalty})}
|
|
|
|
|
${FloatField({label: "Frequency penalty", max: 1.0, min: 0.0, name: "frequency_penalty", step: 0.01, value: params.value.frequency_penalty})}
|
|
|
|
|
</fieldset>
|
|
|
|
|
<hr />
|
|
|
|
|
<fieldset class="three">
|
|
|
|
|
<div>
|
|
|
|
|
<label><input type="radio" name="mirostat" value="0" checked=${params.value.mirostat == 0} oninput=${updateParamsInt} /> no Mirostat</label>
|
|
|
|
|
<label><input type="radio" name="mirostat" value="1" checked=${params.value.mirostat == 1} oninput=${updateParamsInt} /> Mirostat v1</label>
|
|
|
|
|
<label><input type="radio" name="mirostat" value="2" checked=${params.value.mirostat == 2} oninput=${updateParamsInt} /> Mirostat v2</label>
|
|
|
|
|
</div>
|
|
|
|
|
${FloatField({label: "Mirostat tau", max: 10.0, min: 0.0, name: "mirostat_tau", step: 0.01, value: params.value.mirostat_tau})}
|
|
|
|
|
${FloatField({label: "Mirostat eta", max: 1.0, min: 0.0, name: "mirostat_eta", step: 0.01, value: params.value.mirostat_eta})}
|
|
|
|
|
</fieldset>
|
|
|
|
|
</details>
|
2023-07-04 16:05:27 +02:00
|
|
|
</form>
|
|
|
|
|
`
|
|
|
|
|
}
|
2023-07-05 22:51:13 +02:00
|
|
|
// poor mans markdown replacement
|
|
|
|
|
const Markdownish = (params) => {
|
|
|
|
|
const md = params.text
|
2023-07-25 09:27:34 +02:00
|
|
|
.replace(/&/g, '&')
|
|
|
|
|
.replace(/</g, '<')
|
|
|
|
|
.replace(/>/g, '>')
|
2023-07-05 22:51:13 +02:00
|
|
|
.replace(/^#{1,6} (.*)$/gim, '<h3>$1</h3>')
|
|
|
|
|
.replace(/\*\*(.*?)\*\*/g, '<strong>$1</strong>')
|
|
|
|
|
.replace(/__(.*?)__/g, '<strong>$1</strong>')
|
|
|
|
|
.replace(/\*(.*?)\*/g, '<em>$1</em>')
|
|
|
|
|
.replace(/_(.*?)_/g, '<em>$1</em>')
|
|
|
|
|
.replace(/```.*?\n([\s\S]*?)```/g, '<pre><code>$1</code></pre>')
|
|
|
|
|
.replace(/`(.*?)`/g, '<code>$1</code>')
|
|
|
|
|
.replace(/\n/gim, '<br />');
|
|
|
|
|
return html`<span dangerouslySetInnerHTML=${{ __html: md }} />`;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const ModelGenerationInfo = (params) => {
|
|
|
|
|
if (!llamaStats.value) {
|
|
|
|
|
return html`<span/>`
|
|
|
|
|
}
|
|
|
|
|
return html`
|
|
|
|
|
<span>
|
|
|
|
|
${llamaStats.value.predicted_per_token_ms.toFixed()}ms per token, ${llamaStats.value.predicted_per_second.toFixed(2)} tokens per second
|
|
|
|
|
</span>
|
|
|
|
|
`
|
|
|
|
|
}
|
2023-07-04 16:05:27 +02:00
|
|
|
|
|
|
|
|
function App(props) {
|
|
|
|
|
|
|
|
|
|
return html`
|
2023-07-05 22:51:13 +02:00
|
|
|
<div id="container">
|
|
|
|
|
<header>
|
|
|
|
|
<h1>llama.cpp</h1>
|
|
|
|
|
</header>
|
|
|
|
|
|
|
|
|
|
<main id="content">
|
|
|
|
|
<${chatStarted.value ? ChatLog : ConfigForm} />
|
|
|
|
|
</main>
|
|
|
|
|
|
|
|
|
|
<section id="write">
|
|
|
|
|
<${MessageInput} />
|
|
|
|
|
</section>
|
|
|
|
|
|
|
|
|
|
<footer>
|
|
|
|
|
<p><${ModelGenerationInfo} /></p>
|
|
|
|
|
<p>Powered by <a href="https://github.com/ggerganov/llama.cpp">llama.cpp</a> and <a href="https://ggml.ai">ggml.ai</a>.</p>
|
|
|
|
|
</footer>
|
|
|
|
|
</div>
|
2023-07-04 16:05:27 +02:00
|
|
|
`;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
render(h(App), document.body);
|
|
|
|
|
</script>
|
|
|
|
|
</head>
|
|
|
|
|
|
|
|
|
|
<body>
|
|
|
|
|
</body>
|
|
|
|
|
|
|
|
|
|
</html>
|
