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<html>
<head>
<meta content="text/html;charset=utf-8" http-equiv="Content-Type" />
<title>Candle Phi 1.5 Rust/WASM</title>
</head>
<body></body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link
rel="stylesheet"
href="https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.8.0/build/styles/default.min.css" />
<style>
@import url("https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@200;300;400&family=Source+Sans+3:wght@100;200;300;400;500;600;700;800;900&display=swap");
html,
body {
font-family: "Source Sans 3", sans-serif;
}
code,
output,
select,
pre {
font-family: "Source Code Pro", monospace;
}
</style>
<style type="text/tailwindcss">
.link {
@apply underline hover:text-blue-500 hover:no-underline;
}
</style>
<script src="https://cdn.tailwindcss.com"></script>
<script type="module">
import snarkdown from "https://cdn.skypack.dev/snarkdown";
import hljs from "https://cdn.skypack.dev/highlight.js";
const TOKENIZER_URL =
"https://huggingface.co/microsoft/phi-1_5/raw/main/tokenizer.json";
// models base url
const MODELS = {
phi_1_5_quantized: {
base_url:
"https://huggingface.co/lmz/candle-quantized-phi/resolve/main/",
model: "model-q4k.gguf",
quantized: true,
seq_len: 2048,
},
phi_1_5_quantized_2: {
base_url:
"https://huggingface.co/lmz/candle-quantized-phi/resolve/main/",
model: "model-q80.gguf",
quantized: true,
seq_len: 2048,
},
};
const phiWorker = new Worker("./phiWorker.js", {
type: "module",
});
async function generateSequence(controller) {
const getValue = (id) => document.querySelector(`#${id}`).value;
const modelID = getValue("model");
const model = MODELS[modelID];
const weightsURL = model.base_url + model.model;
const prompt = getValue("prompt").trim();
const temperature = getValue("temperature");
const topP = getValue("top-p");
const repeatPenalty = getValue("repeat_penalty");
const seed = getValue("seed");
const maxSeqLen = getValue("max-seq");
function updateStatus(data) {
const outStatus = document.querySelector("#output-status");
const outGen = document.querySelector("#output-generation");
const outCounter = document.querySelector("#output-counter");
switch (data.status) {
case "loading":
outStatus.hidden = false;
outStatus.textContent = data.message;
outGen.hidden = true;
outCounter.hidden = true;
break;
case "generating":
const { message, prompt, sentence, tokensSec, totalTime } = data;
outStatus.hidden = true;
outCounter.hidden = false;
outGen.hidden = false;
const p = prompt.replace(/\n|\\n/g, " \n");
const generated = sentence.replace(/\n|\\n/g, " \n");
outGen.innerHTML = snarkdown(p + generated);
outCounter.innerHTML = `${(totalTime / 1000).toFixed(
2
)}s (${tokensSec.toFixed(2)} tok/s)`;
hljs.highlightAll();
break;
case "complete":
outStatus.hidden = true;
outGen.hidden = false;
break;
}
}
return new Promise((resolve, reject) => {
phiWorker.postMessage({
weightsURL,
modelID,
tokenizerURL: TOKENIZER_URL,
quantized: model.quantized,
prompt,
temp: temperature,
top_p: topP,
repeatPenalty,
seed: seed,
maxSeqLen,
command: "start",
});
const handleAbort = () => {
phiWorker.postMessage({ command: "abort" });
};
const handleMessage = (event) => {
const { status, error, message, prompt, sentence } = event.data;
if (status) updateStatus(event.data);
if (error) {
phiWorker.removeEventListener("message", handleMessage);
reject(new Error(error));
}
if (status === "abort") {
phiWorker.removeEventListener("message", handleMessage);
resolve(event.data);
}
if (status === "complete") {
phiWorker.removeEventListener("message", handleMessage);
resolve(event.data);
}
};
controller.signal.addEventListener("abort", handleAbort);
phiWorker.addEventListener("message", handleMessage);
});
}
const form = document.querySelector("#form");
const prompt = document.querySelector("#prompt");
const clearBtn = document.querySelector("#clear-btn");
const runBtn = document.querySelector("#run");
const modelSelect = document.querySelector("#model");
let runController = new AbortController();
let isRunning = false;
modelSelect.addEventListener("change", (e) => {
const model = MODELS[e.target.value];
document.querySelector("#max-seq").max = model.seq_len;
document.querySelector("#max-seq").nextElementSibling.value = 200;
});
form.addEventListener("submit", async (e) => {
e.preventDefault();
if (isRunning) {
stopRunning();
} else {
startRunning();
await generateSequence(runController);
stopRunning();
}
});
function startRunning() {
isRunning = true;
runBtn.textContent = "Stop";
}
function stopRunning() {
runController.abort();
runController = new AbortController();
runBtn.textContent = "Run";
isRunning = false;
}
clearBtn.addEventListener("click", (e) => {
e.preventDefault();
prompt.value = "";
clearBtn.classList.add("invisible");
runBtn.disabled = true;
stopRunning();
});
prompt.addEventListener("input", (e) => {
runBtn.disabled = false;
if (e.target.value.length > 0) {
clearBtn.classList.remove("invisible");
} else {
clearBtn.classList.add("invisible");
}
});
</script>
</head>
<body class="container max-w-4xl mx-auto p-4 text-gray-800">
<main class="grid grid-cols-1 gap-8 relative">
<span class="absolute text-5xl -ml-[1em]"> 🕯️ </span>
<div>
<h1 class="text-5xl font-bold">Candle Phi 1.5</h1>
<h2 class="text-2xl font-bold">Rust/WASM Demo</h2>
<p class="max-w-lg">
The
<a
href="https://huggingface.co/microsoft/phi-1_5"
class="link"
target="_blank"
>Phi-1.5</a
>
model achieves state-of-the-art performance with only 1.3 billion
parameters, compared to models with up to 10 billion. You can try the
quantized version of the model here. Additional prompt examples are
available in the
<a
href="https://arxiv.org/pdf/2309.05463.pdf#page=8"
class="link"
target="_blank">
technical report </a
>.
</p>
</div>
<div>
<p class="text-xs italic max-w-lg">
<b>Note:</b>
When first run, the app will download and cache the model, which could
take a few minutes. The models are <b>~800MB</b> or <b>~1.51GB</b> in
size.
</p>
</div>
<div>
<label for="model" class="font-medium">Models Options: </label>
<select
id="model"
class="border-2 border-gray-500 rounded-md font-light">
<option value="phi_1_5_quantized" selected>
phi 1.5 quantized q4k (800 MB)
</option>
<option value="phi_1_5_quantized_2">
phi 1.5 quantized q80 (1.51 GB)
</option>
<!-- <option value="phi_1_5">phi 1.5 (2.84 GB)</option> -->
</select>
</div>
<form
id="form"
class="flex text-normal px-1 py-1 border border-gray-700 rounded-md items-center">
<input type="submit" hidden />
<textarea
type="text"
id="prompt"
class="font-light w-full px-3 py-2 mx-1 resize-none outline-none"
oninput="this.style.height = 0;this.style.height = this.scrollHeight + 'px'"
placeholder="Add your prompt here...">
Write a detailed analogy between mathematics and a lighthouse.
Answer:</textarea
>
<button id="clear-btn">
<svg
fill="none"
xmlns="http://www.w3.org/2000/svg"
width="40"
viewBox="0 0 70 40">
<path opacity=".5" d="M39 .2v40.2" stroke="#1F2937" />
<path
d="M1.5 11.5 19 29.1m0-17.6L1.5 29.1"
opacity=".5"
stroke="#1F2937"
stroke-width="2" />
</svg>
</button>
<button
id="run"
class="bg-gray-700 hover:bg-gray-800 text-white font-normal py-2 w-16 rounded disabled:bg-gray-300 disabled:cursor-not-allowed">
Run
</button>
</form>
<div class="grid grid-cols-3 max-w-md items-center gap-3">
<label class="text-sm font-medium" for="max-seq">Maximum length </label>
<input
type="range"
id="max-seq"
name="max-seq"
min="1"
max="2048"
step="1"
value="200"
oninput="this.nextElementSibling.value = Number(this.value)" />
<output
class="text-xs w-[50px] text-center font-light px-1 py-1 border border-gray-700 rounded-md">
200</output
>
<label class="text-sm font-medium" for="temperature">Temperature</label>
<input
type="range"
id="temperature"
name="temperature"
min="0"
max="2"
step="0.01"
value="0.00"
oninput="this.nextElementSibling.value = Number(this.value).toFixed(2)" />
<output
class="text-xs w-[50px] text-center font-light px-1 py-1 border border-gray-700 rounded-md">
0.00</output
>
<label class="text-sm font-medium" for="top-p">Top-p</label>
<input
type="range"
id="top-p"
name="top-p"
min="0"
max="1"
step="0.01"
value="1.00"
oninput="this.nextElementSibling.value = Number(this.value).toFixed(2)" />
<output
class="text-xs w-[50px] text-center font-light px-1 py-1 border border-gray-700 rounded-md">
1.00</output
>
<label class="text-sm font-medium" for="repeat_penalty"
>Repeat Penalty</label
>
<input
type="range"
id="repeat_penalty"
name="repeat_penalty"
min="1"
max="2"
step="0.01"
value="1.10"
oninput="this.nextElementSibling.value = Number(this.value).toFixed(2)" />
<output
class="text-xs w-[50px] text-center font-light px-1 py-1 border border-gray-700 rounded-md"
>1.10</output
>
<label class="text-sm font-medium" for="seed">Seed</label>
<input
type="number"
id="seed"
name="seed"
value="299792458"
class="font-light border border-gray-700 text-right rounded-md p-2" />
<button
id="run"
onclick="document.querySelector('#seed').value = Math.floor(Math.random() * Number.MAX_SAFE_INTEGER)"
class="bg-gray-700 hover:bg-gray-800 text-white font-normal py-1 w-[50px] rounded disabled:bg-gray-300 disabled:cursor-not-allowed text-sm">
Rand
</button>
</div>
<div>
<h3 class="font-medium">Generation:</h3>
<div
class="min-h-[250px] bg-slate-100 text-gray-500 p-4 rounded-md flex flex-col gap-2">
<div
id="output-counter"
hidden
class="ml-auto font-semibold grid-rows-1 text-sm"></div>
<p hidden id="output-generation" class="grid-rows-2"></p>
<span id="output-status" class="m-auto font-light"
>No output yet</span
>
</div>
</div>
</main>
</body>
</html>
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