forked from 0hq/WebGPT
-
Notifications
You must be signed in to change notification settings - Fork 0
/
index.html
176 lines (145 loc) · 6.33 KB
/
index.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
<!DOCTYPE html>
<html>
<head>
<title>WebGPU GPT Model Demo</title>
<meta
http-equiv="origin-trial"
content="Anx9P4m5tzLOL/wLICKy/mA+DRyoSsTkyqmnK5t+S7oyw7A2SeBI2jO4LKqoQiQgChP2MTtqMNKofelMwvGtPQsAAABKeyJvcmlnaW4iOiJodHRwczovL2ttZWFucy5vcmc6NDQzIiwiZmVhdHVyZSI6IldlYkdQVSIsImV4cGlyeSI6MTY5MTcxMTk5OX0="
/>
<script src="tokenizer.js"></script>
<script src="instructions.js"></script>
<script src="model.js"></script>
<script src="visuals.js"></script>
<script src="globals.js"></script>
</head>
<body>
<h1>WebGPU GPT Model Demo</h1>
<p id="webgpuSupportMessage">Checking WebGPU support...</p>
<p>
<i>PS: Loading models is 5x slower on the web rather than running locally. Just <a href="https://github.com/0hq/WebGPT">clone the repo</a> and open!</i>
</p>
<button class="loadModelButton" onclick="loadModel('better_shakespeare', 'char')" disabled>Load Shakespeare Model</button>
<button class="loadModelButton" onclick="loadModel('gpt2', 'bpe')" disabled>Load GPT2 117M Model</button>
<button id="destroyCacheButton" onclick="destroyCache()" disabled>Destroy Cache</button>
<p>
<i>Special models (download required):</i>
</p>
<button class="loadModelButton" onclick="loadModel('large-models/gpt2-medium', 'bpe')" disabled>Load GPT2 377M Model</button>
<button class="loadModelButton" onclick="loadModel('large-models/gpt2-large', 'bpe')" disabled>Load GPT2 777M Model</button>
<button class="loadModelButton" onclick="loadModel('large-models/gpt2-xl', 'bpe')" disabled>Load GPT2 1.5B Model</button>
<br />
<br />
<label for="tokens">Number of tokens:</label>
<input type="number" min="1" max="300" value="100" id="tokensInput" disabled />
<br /><br />
<label for="topK">Top K:</label>
<input type="number" min="1" max="100" value="2" id="topKInput" disabled />
<br /><br />
<label for="temperature">Temperature:</label>
<input type="number" step="0.01" min="0.1" max="2" value="1" id="temperatureInput" disabled />
<br /><br />
<button id="generateButton" onclick="startGeneration()" disabled>Generate Text</button>
<br /><br />
<textarea id="prompt" rows="15" cols="50" disabled>
WILL:
Ah, how dare you challenge me?
Have you forgotten I built WebGPT? </textarea
>
<br /><br />
<button id="updateVisuals" onclick="updateVisuals()" disabled>Force Update Visuals</button>
<br /><br />
<div id="visualsContainer"></div>
<script>
const webgpuSupportMessage = document.getElementById("webgpuSupportMessage");
const loadModelButton = document.getElementsByClassName("loadModelButton");
const setModelButtonDisabled = (bool) => {
for (let i = 0; i < loadModelButton.length; i++) loadModelButton[i].disabled = bool;
};
const destroyCacheButton = document.getElementById("destroyCacheButton");
const tokensInput = document.getElementById("tokensInput");
const topKInput = document.getElementById("topKInput");
const temperatureInput = document.getElementById("temperatureInput");
const generateButton = document.getElementById("generateButton");
const promptTextarea = document.getElementById("prompt");
const updateVisualsButton = document.getElementById("updateVisuals");
let GPTModel = null;
let visuals = null;
// Check for WebGPU support
if (!navigator.gpu) {
webgpuSupportMessage.innerHTML =
"WebGPU is not supported in your browser yet. Update Chrome to v113 or download <a href='https://www.google.com/chrome/canary/'>Chrome Canary</a>. Also available on <a href='https://www.microsoftedgeinsider.com/en-us/download/canary'>Edge Canary</a>.";
console.error("WebGPU is not supported");
} else {
webgpuSupportMessage.innerHTML = "WebGPU is supported in your browser!";
setModelButtonDisabled(false);
}
async function startGeneration() {
setTextareaDisabled(true);
const prompt = promptTextarea.value || " ";
const numTokens = tokensInput.value;
const topK = topKInput.value;
const temperature = temperatureInput.value;
const textStream = GPTModel.generate(prompt, numTokens, topK, temperature);
for await (const text of textStream) {
promptTextarea.value += text;
visuals.render();
}
setTextareaDisabled(false);
}
async function loadModel(folder, tokenizer) {
setModelButtonDisabled(true);
GPTModel = new GPT(folder, tokenizer);
await GPTModel.initialize();
promptTextarea.value = GPTModel.defaultPrompt;
topKInput.value = GPTModel.defaultTopK;
tokensInput.value = GPTModel.defaultTokens;
temperatureInput.value = GPTModel.defaultTemperature;
setTextareaDisabled(false);
tokensInput.disabled = false;
topKInput.disabled = false;
temperatureInput.disabled = false;
destroyCacheButton.disabled = false;
updateVisualsButton.disabled = false;
if (!visuals) {
visuals = new Visuals(GPTModel);
visuals.init();
visuals.render();
}
}
function setTextareaDisabled(bool) {
promptTextarea.disabled = bool;
generateButton.disabled = bool;
}
async function continueGeneration() {
setTextareaDisabled(true);
const prompt = outputDiv.innerHTML || " ";
const numTokens = tokensInput.value;
outputDiv.innerHTML = prompt;
const topK = topKInput.value;
const temperature = temperatureInput.value;
const textStream = generate(prompt, numTokens, 10, topK, temperature);
for await (const text of textStream) {
outputDiv.innerHTML += text;
}
setTextareaDisabled(false);
}
function destroyCache() {
GPTModel.unloadBuffers();
destroyOperations();
GPTModel = null;
visuals.destroy();
visuals = null;
setModelButtonDisabled(false);
destroyCacheButton.disabled = true;
tokensInput.disabled = true;
topKInput.disabled = true;
temperatureInput.disabled = true;
updateVisualsButton.disabled = true;
setTextareaDisabled(true);
}
function updateVisuals() {
visuals.render();
}
</script>
</body>
</html>