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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>JPGPT — 故事续写 & 训练监控</title>
<style>
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
--bg: #0f1117;
--surface: #1a1d27;
--border: #2a2d3e;
--accent: #6c63ff;
--accent2: #00d4aa;
--text: #e8eaf6;
--text-muted: #7b7f9e;
--loss-color: #ff6b6b;
--tok-color: #6c63ff;
}
body {
background: var(--bg);
color: var(--text);
font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
min-height: 100vh;
}
/* ── 顶部标题栏 ─────────────────────────────────── */
header {
padding: 20px 32px;
border-bottom: 1px solid var(--border);
display: flex;
align-items: center;
gap: 16px;
}
header .logo {
font-size: 22px;
font-weight: 700;
background: linear-gradient(135deg, var(--accent), var(--accent2));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
letter-spacing: -0.5px;
}
header .subtitle { color: var(--text-muted); font-size: 13px; }
.status-badge {
margin-left: auto;
display: flex;
align-items: center;
gap: 8px;
font-size: 12px;
color: var(--text-muted);
}
.dot {
width: 8px; height: 8px; border-radius: 50%;
background: #555;
animation: none;
}
.dot.ready { background: var(--accent2); animation: pulse 2s infinite; }
.dot.training { background: #ffc107; animation: pulse 1s infinite; }
@keyframes pulse {
0%, 100% { opacity: 1; } 50% { opacity: 0.4; }
}
/* ── 两栏布局 ───────────────────────────────────── */
.layout {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 0;
height: calc(100vh - 73px);
}
/* ── 左栏：故事续写 ─────────────────────────────── */
.panel {
padding: 24px 28px;
border-right: 1px solid var(--border);
display: flex;
flex-direction: column;
gap: 16px;
overflow-y: auto;
}
.panel-title {
font-size: 13px;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 1px;
color: var(--text-muted);
}
/* 示例开头 */
.examples-label {
font-size: 11px;
color: var(--text-muted);
text-transform: uppercase;
letter-spacing: 0.5px;
margin-bottom: 6px;
}
.examples-grid {
display: flex;
flex-wrap: wrap;
gap: 8px;
margin-bottom: 4px;
}
.example-chip {
background: var(--surface);
border: 1px solid var(--border);
border-radius: 20px;
padding: 5px 12px;
font-size: 12px;
color: var(--text-muted);
cursor: pointer;
transition: border-color 0.2s, color 0.2s;
white-space: nowrap;
}
.example-chip:hover {
border-color: var(--accent);
color: var(--accent);
}
/* 提示词输入 */
textarea {
width: 100%;
background: var(--surface);
border: 1px solid var(--border);
border-radius: 10px;
padding: 14px 16px;
color: var(--text);
font-size: 15px;
line-height: 1.6;
resize: vertical;
min-height: 100px;
outline: none;
transition: border-color 0.2s;
}
textarea:focus { border-color: var(--accent); }
textarea::placeholder { color: var(--text-muted); }
/* 参数调节 */
.params-row {
display: grid;
grid-template-columns: 1fr 1fr 1fr;
gap: 12px;
}
.param-group label {
display: block;
font-size: 11px;
color: var(--text-muted);
margin-bottom: 6px;
text-transform: uppercase;
letter-spacing: 0.5px;
}
.param-group .param-val {
font-size: 13px;
color: var(--accent);
font-weight: 600;
float: right;
}
input[type="range"] {
width: 100%;
accent-color: var(--accent);
cursor: pointer;
}
input[type="number"] {
width: 100%;
background: var(--surface);
border: 1px solid var(--border);
border-radius: 6px;
padding: 6px 10px;
color: var(--text);
font-size: 13px;
outline: none;
}
/* 生成按钮 */
.btn-generate {
width: 100%;
padding: 13px;
background: linear-gradient(135deg, var(--accent), #5a52d5);
border: none;
border-radius: 10px;
color: #fff;
font-size: 15px;
font-weight: 600;
cursor: pointer;
transition: opacity 0.2s, transform 0.1s;
letter-spacing: 0.3px;
}
.btn-generate:hover { opacity: 0.9; }
.btn-generate:active { transform: scale(0.98); }
.btn-generate:disabled { opacity: 0.5; cursor: not-allowed; }
/* 故事输出框 */
.story-box {
flex: 1;
background: var(--surface);
border: 1px solid var(--border);
border-radius: 10px;
padding: 16px;
min-height: 200px;
font-size: 15px;
line-height: 1.8;
overflow-y: auto;
}
.story-box .prompt-part { color: var(--text-muted); }
.story-box .gen-part { color: var(--text); }
.story-box .placeholder { color: var(--text-muted); font-style: italic; }
.typing-cursor {
display: inline-block;
width: 2px; height: 1em;
background: var(--accent);
margin-left: 2px;
vertical-align: text-bottom;
animation: blink 1s infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
/* 元信息 */
.meta-row {
display: flex;
gap: 16px;
font-size: 12px;
color: var(--text-muted);
}
.meta-row span { display: flex; align-items: center; gap: 4px; }
/* ── 右栏：训练监控 ─────────────────────────────── */
.monitor {
padding: 24px 28px;
display: flex;
flex-direction: column;
gap: 20px;
overflow-y: auto;
}
/* 指标卡片 */
.metrics-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 12px;
}
.metric-card {
background: var(--surface);
border: 1px solid var(--border);
border-radius: 10px;
padding: 14px 16px;
}
.metric-card .label-en {
font-size: 11px;
font-weight: 700;
letter-spacing: 1px;
color: var(--text-muted);
text-transform: uppercase;
}
.metric-card .label-zh {
font-size: 11px;
color: var(--text-muted);
opacity: 0.6;
margin-top: 1px;
}
.metric-card .value {
font-size: 28px;
font-weight: 700;
margin-top: 6px;
background: linear-gradient(135deg, var(--accent), var(--accent2));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}
.metric-card .value.warn { background: none; -webkit-text-fill-color: #ffc107; }
/* 进度条 */
.progress-section .progress-label {
display: flex;
justify-content: space-between;
font-size: 12px;
color: var(--text-muted);
margin-bottom: 8px;
}
.progress-bar-track {
height: 6px;
background: var(--border);
border-radius: 3px;
overflow: hidden;
}
.progress-bar-fill {
height: 100%;
background: linear-gradient(90deg, var(--accent), var(--accent2));
border-radius: 3px;
transition: width 0.5s ease;
width: 0%;
}
/* Loss 曲线 */
.chart-section {}
.chart-section canvas {
width: 100%;
height: 200px;
display: block;
}
/* 训练日志最新条目 */
.log-section {
background: var(--surface);
border: 1px solid var(--border);
border-radius: 10px;
padding: 14px;
font-family: 'SF Mono', 'Fira Code', monospace;
font-size: 12px;
color: var(--accent2);
min-height: 60px;
}
.log-line { margin-bottom: 3px; opacity: 0.7; }
.log-line:last-child { opacity: 1; color: var(--text); }
/* 刷新按钮 */
.btn-refresh {
align-self: flex-start;
padding: 6px 14px;
background: transparent;
border: 1px solid var(--border);
border-radius: 6px;
color: var(--text-muted);
font-size: 12px;
cursor: pointer;
transition: border-color 0.2s, color 0.2s;
}
.btn-refresh:hover { border-color: var(--accent); color: var(--accent); }
/* 未训练提示 */
.not-ready {
background: var(--surface);
border: 1px dashed var(--border);
border-radius: 10px;
padding: 32px;
text-align: center;
color: var(--text-muted);
font-size: 14px;
line-height: 1.8;
}
.not-ready strong { color: var(--text); display: block; margin-bottom: 8px; font-size: 16px; }
</style>
</head>
<body>
<header>
<div>
<div class="logo">JPGPT</div>
<div class="subtitle">0.1B GPT · TinyStories · 从零训练</div>
</div>
<div class="status-badge">
<div class="dot" id="statusDot"></div>
<span id="statusText">检查状态中...</span>
</div>
</header>
<div class="layout">
<!-- ── 左栏：故事续写 ── -->
<div class="panel">
<div class="panel-title">故事续写 / Story Completion</div>
<div>
<div class="examples-label">示例开头（点击填入）</div>
<div class="examples-grid">
<div class="example-chip" onclick="fillPrompt(this)">Once upon a time, there was a little cat named Mochi who loved to explore the forest.</div>
<div class="example-chip" onclick="fillPrompt(this)">There was a brave little rabbit named Benny who wanted to find the biggest carrot in the world.</div>
<div class="example-chip" onclick="fillPrompt(this)">Lily was a small girl who had a magic crayon. Whatever she drew came to life.</div>
<div class="example-chip" onclick="fillPrompt(this)">The dragon was sad because he could not breathe fire like the other dragons.</div>
<div class="example-chip" onclick="fillPrompt(this)">Tom the turtle walked very slowly, but he had a secret — he could talk to the stars.</div>
<div class="example-chip" onclick="fillPrompt(this)">One rainy day, a little puppy found a mysterious door at the end of the garden.</div>
</div>
</div>
<textarea id="prompt" placeholder="Once upon a time, there was a little cat named Mochi... （输入故事开头，模型帮你续写）" rows="4"></textarea>
<div class="params-row">
<div class="param-group">
<label>续写长度 <span class="param-val" id="lenVal">200</span></label>
<input type="range" id="maxTokens" min="50" max="500" value="200" step="10"
oninput="document.getElementById('lenVal').textContent=this.value">
</div>
<div class="param-group">
<label>Temperature <span class="param-val" id="tempVal">0.8</span></label>
<input type="range" id="temperature" min="0.1" max="2.0" value="0.8" step="0.05"
oninput="document.getElementById('tempVal').textContent=(+this.value).toFixed(2)">
</div>
<div class="param-group">
<label>Top-K <span class="param-val" id="topkVal">50</span></label>
<input type="range" id="topK" min="1" max="200" value="50"
oninput="document.getElementById('topkVal').textContent=this.value">
</div>
</div>
<button class="btn-generate" id="genBtn" onclick="generate()">生成故事</button>
<div class="story-box" id="storyBox">
<span class="placeholder">生成的故事将显示在这里...</span>
</div>
<div class="meta-row" id="metaRow" style="display:none">
<span>⏱ <span id="elapsed">-</span> ms</span>
<span>📝 新生成 <span id="newToks">-</span> tokens</span>
</div>
</div>
<!-- ── 右栏：训练监控 ── -->
<div class="monitor">
<div style="display:flex;align-items:center;justify-content:space-between">
<div class="panel-title">训练监控 / Training Monitor</div>
<button class="btn-refresh" onclick="refreshMonitor()">↻ 刷新</button>
</div>
<div id="monitorContent">
<div class="not-ready">
<strong>模型尚未就绪</strong>
训练开始后，每 500 步保存一次 checkpoint<br>
届时点击「刷新」即可看到训练进度
</div>
</div>
</div>
</div>
<script>
// ─── 状态检查 ──────────────────────────────────────────────
async function checkStatus() {
try {
const r = await fetch('/status');
const d = await r.json();
const dot = document.getElementById('statusDot');
const text = document.getElementById('statusText');
if (d.model_loaded) {
dot.className = 'dot ready';
text.textContent = `模型已就绪 · step ${d.last_step}`;
} else if (d.checkpoint_exists) {
dot.className = 'dot training';
text.textContent = `训练中 · step ${d.last_step} · loss ${d.last_loss?.toFixed(4) ?? '-'}`;
} else {
dot.className = 'dot';
text.textContent = '等待训练开始...';
}
return d;
} catch (e) {
document.getElementById('statusText').textContent = '服务器未连接';
return null;
}
}
// ─── 故事生成 ──────────────────────────────────────────────
async function generate() {
const prompt = document.getElementById('prompt').value.trim();
const maxToks = parseInt(document.getElementById('maxTokens').value);
const temp = parseFloat(document.getElementById('temperature').value);
const topK = parseInt(document.getElementById('topK').value);
const btn = document.getElementById('genBtn');
const box = document.getElementById('storyBox');
if (!prompt) { alert('请先输入故事开头'); return; }
btn.disabled = true;
btn.textContent = '生成中...';
box.innerHTML = `<span class="prompt-part">${escapeHtml(prompt)}</span><span class="typing-cursor"></span>`;
try {
const r = await fetch('/generate', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ prompt, max_new_tokens: maxToks, temperature: temp, top_k: topK })
});
const d = await r.json();
if (d.error) {
box.innerHTML = `<span style="color:#ff6b6b">⚠ ${escapeHtml(d.error)}</span>`;
if (d.tip) box.innerHTML += `<br><span style="color:var(--text-muted);font-size:13px">${escapeHtml(d.tip)}</span>`;
} else {
box.innerHTML =
`<span class="prompt-part">${escapeHtml(d.prompt)}</span>` +
`<span class="gen-part">${escapeHtml(d.generated)}</span>`;
document.getElementById('metaRow').style.display = 'flex';
document.getElementById('elapsed').textContent = d.elapsed_ms;
document.getElementById('newToks').textContent = d.new_tokens;
}
} catch (e) {
box.innerHTML = `<span style="color:#ff6b6b">⚠ 连接服务器失败：${e.message}</span>`;
} finally {
btn.disabled = false;
btn.textContent = '生成故事';
}
}
function escapeHtml(s) {
return s.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>').replace(/\n/g,'<br>');
}
// ─── 训练监控 ──────────────────────────────────────────────
let lossChart = null;
async function refreshMonitor() {
const status = await checkStatus();
if (!status) return;
// 获取训练日志
let logs = [];
try {
const r = await fetch('/train_log');
logs = await r.json();
} catch (e) {}
const container = document.getElementById('monitorContent');
if (!status.checkpoint_exists && logs.length === 0) {
container.innerHTML = `
<div class="not-ready">
<strong>模型尚未就绪</strong>
训练开始后，每 500 步保存一次 checkpoint<br>
届时点击「刷新」即可看到训练进度
</div>`;
return;
}
const last = logs.length > 0 ? logs[logs.length - 1] : {};
const TARGET = 2_000_000_000;
const pct = last.tokens_seen ? (last.tokens_seen / TARGET * 100).toFixed(1) : 0;
const loss = last.loss ? last.loss.toFixed(4) : '--';
const tokps = last.tok_per_sec ? (last.tok_per_sec / 1000).toFixed(1) + 'K' : '--';
const tokSeen = last.tokens_seen ? (last.tokens_seen / 1e6).toFixed(0) + 'M' : '0';
const remaining = last.tokens_seen ? TARGET - last.tokens_seen : TARGET;
const etaH = last.tok_per_sec && last.tok_per_sec > 0
? (remaining / last.tok_per_sec / 3600).toFixed(1)
: '--';
container.innerHTML = `
<div class="metrics-grid">
<div class="metric-card">
<div class="label-en">Loss</div><div class="label-zh">训练损失</div>
<div class="value">${loss}</div>
</div>
<div class="metric-card">
<div class="label-en">tok/s</div><div class="label-zh">训练速度</div>
<div class="value">${tokps}</div>
</div>
<div class="metric-card">
<div class="label-en">Tokens Seen</div><div class="label-zh">已看数据量</div>
<div class="value">${tokSeen}</div>
</div>
<div class="metric-card">
<div class="label-en">ETA</div><div class="label-zh">预计剩余</div>
<div class="value ${etaH === '--' ? 'warn' : ''}">${etaH === '--' ? '--' : etaH + 'h'}</div>
</div>
</div>
<div class="progress-section">
<div class="progress-label">
<span>训练进度</span>
<span>${pct}% · 目标 2B tokens</span>
</div>
<div class="progress-bar-track">
<div class="progress-bar-fill" id="progFill"></div>
</div>
</div>
<div class="chart-section">
<div class="panel-title" style="margin-bottom:12px">Loss 曲线</div>
<canvas id="lossCanvas"></canvas>
</div>
<div class="log-section" id="logLines">最新日志...</div>
`;
// 设置进度条
setTimeout(() => {
const fill = document.getElementById('progFill');
if (fill) fill.style.width = pct + '%';
}, 100);
// 绘制 loss 曲线
if (logs.length > 1) {
drawLossChart(logs);
}
// 最近几条日志
const logEl = document.getElementById('logLines');
if (logEl && logs.length > 0) {
const recent = logs.slice(-5);
logEl.innerHTML = recent.map(l =>
`<div class="log-line">step ${l.step} | loss ${l.loss?.toFixed(4)} | ${(l.tok_per_sec/1000).toFixed(1)}K tok/s</div>`
).join('');
}
}
function drawLossChart(logs) {
const canvas = document.getElementById('lossCanvas');
if (!canvas) return;
// 每隔几个点采样，避免太密
const step = Math.max(1, Math.floor(logs.length / 200));
const sampled = logs.filter((_, i) => i % step === 0);
const steps = sampled.map(l => l.step);
const losses = sampled.map(l => l.loss);
const minL = Math.min(...losses);
const maxL = Math.max(...losses);
const range = maxL - minL || 1;
const W = canvas.parentElement.offsetWidth - 56;
const H = 200;
canvas.width = W;
canvas.height = H;
const ctx = canvas.getContext('2d');
const pad = { top: 20, right: 20, bottom: 30, left: 50 };
const iW = W - pad.left - pad.right;
const iH = H - pad.top - pad.bottom;
ctx.clearRect(0, 0, W, H);
// 背景网格
ctx.strokeStyle = 'rgba(255,255,255,0.05)';
ctx.lineWidth = 1;
for (let i = 0; i <= 4; i++) {
const y = pad.top + (iH * i / 4);
ctx.beginPath(); ctx.moveTo(pad.left, y); ctx.lineTo(pad.left + iW, y); ctx.stroke();
const val = (maxL - range * i / 4).toFixed(3);
ctx.fillStyle = 'rgba(123,127,158,0.8)';
ctx.font = '10px monospace';
ctx.textAlign = 'right';
ctx.fillText(val, pad.left - 6, y + 4);
}
// Loss 曲线（渐变填充）
const grad = ctx.createLinearGradient(0, pad.top, 0, pad.top + iH);
grad.addColorStop(0, 'rgba(108,99,255,0.4)');
grad.addColorStop(1, 'rgba(108,99,255,0.0)');
ctx.beginPath();
sampled.forEach((l, i) => {
const x = pad.left + (i / (sampled.length - 1)) * iW;
const y = pad.top + ((maxL - l.loss) / range) * iH;
i === 0 ? ctx.moveTo(x, y) : ctx.lineTo(x, y);
});
// 填充区域
ctx.lineTo(pad.left + iW, pad.top + iH);
ctx.lineTo(pad.left, pad.top + iH);
ctx.closePath();
ctx.fillStyle = grad;
ctx.fill();
// 曲线本体
ctx.beginPath();
sampled.forEach((l, i) => {
const x = pad.left + (i / (sampled.length - 1)) * iW;
const y = pad.top + ((maxL - l.loss) / range) * iH;
i === 0 ? ctx.moveTo(x, y) : ctx.lineTo(x, y);
});
ctx.strokeStyle = '#6c63ff';
ctx.lineWidth = 2;
ctx.stroke();
// X 轴标签
ctx.fillStyle = 'rgba(123,127,158,0.8)';
ctx.font = '10px monospace';
ctx.textAlign = 'center';
[0, 0.25, 0.5, 0.75, 1].forEach(t => {
const i = Math.floor(t * (sampled.length - 1));
const x = pad.left + t * iW;
ctx.fillText(`s${steps[i]}`, x, H - 6);
});
}
// ─── 示例填入 ───────────────────────────────────────────────
function fillPrompt(el) {
document.getElementById('prompt').value = el.textContent.trim();
document.getElementById('prompt').focus();
}
// ─── 键盘快捷键 ────────────────────────────────────────────
document.addEventListener('keydown', e => {
if ((e.metaKey || e.ctrlKey) && e.key === 'Enter') generate();
});
// ─── 初始化 ────────────────────────────────────────────────
checkStatus();
refreshMonitor();
setInterval(checkStatus, 10000); // 每 10 秒更新状态
setInterval(refreshMonitor, 30000); // 每 30 秒刷新监控
</script>
</body>
</html>