File size: 5,815 Bytes
3783386 | 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 | (function () {
"use strict";
// ---- Data types & quantization ----
const dataTypes = [
{ name: "float32", bits: 32, bytes: 4 },
{ name: "float16", bits: 16, bytes: 2 },
{ name: "bfloat16", bits: 16, bytes: 2 },
{ name: "8-bit (INT8)", bits: 8, bytes: 1 },
{ name: "6-bit (Q_6)", bits: 6, bytes: 0.75 },
{ name: "4-bit (Q_4)", bits: 4, bytes: 0.5 },
{ name: "3-bit (Q_3)", bits: 3, bytes: 0.375 },
{ name: "2-bit (Q_2)", bits: 2, bytes: 0.25 }
];
// ---- DOM refs ----
const paramInput = document.getElementById('paramInput');
const calculateBtn = document.getElementById('calculateBtn');
const tableBody = document.getElementById('tableBody');
const paramDisplay = document.getElementById('paramDisplay');
const themeToggle = document.getElementById('themeToggle');
const themeIcon = document.getElementById('themeIcon');
// ---- Helper: parse "1.5B", "100M", "7B", "1,000,000", etc. ----
function parseParameters(rawInput) {
let cleaned = String(rawInput).replace(/,/g, '').replace(/\s/g, '').trim();
if (cleaned === '') return NaN;
const lower = cleaned.toLowerCase();
let multiplier = 1;
let numStr = cleaned;
if (lower.endsWith('b')) {
multiplier = 1e9;
numStr = cleaned.slice(0, -1);
} else if (lower.endsWith('m')) {
multiplier = 1e6;
numStr = cleaned.slice(0, -1);
}
const num = parseFloat(numStr);
if (isNaN(num) || num < 0) return NaN;
return num * multiplier;
}
// ---- Helpers for formatting ----
function formatNumber(num, decimals = 2) {
if (num === undefined || !isFinite(num)) return '—';
return num.toFixed(decimals).replace(/\B(?=(\d{3})+(?!\d))/g, ',');
}
function formatBytes(bytes) {
if (bytes === undefined || !isFinite(bytes)) return '—';
if (Math.abs(bytes) >= 1e15) {
return bytes.toExponential(2);
}
return formatNumber(bytes, 2);
}
function bytesToGB(bytes) { return bytes / 1e9; }
function bytesToMiB(bytes) { return bytes / (1024 * 1024); }
// ---- Map data type name to CSS class for color coding ----
function getDataTypeClass(name) {
if (name.includes('float')) return 'float';
if (name.includes('8-bit')) return 'int8';
if (name.includes('6-bit')) return 'q6';
if (name.includes('4-bit')) return 'q4';
if (name.includes('3-bit')) return 'q3';
if (name.includes('2-bit')) return 'q2';
return '';
}
// ---- Main calculation ----
function calculateAndRender(rawInput) {
const numParams = parseParameters(rawInput);
if (isNaN(numParams)) {
tableBody.innerHTML = `<tr><td colspan="5" class="text-center text-danger">Please enter a valid number (e.g., 7B, 1.5b, 100M).</td></tr>`;
paramDisplay.textContent = 'Invalid input';
return;
}
// Update badge
let displayText = formatNumber(numParams, 0) + ' parameters';
if (numParams >= 1e9) {
displayText = (numParams / 1e9).toFixed(2) + 'B parameters';
} else if (numParams >= 1e6) {
displayText = (numParams / 1e6).toFixed(2) + 'M parameters';
}
paramDisplay.textContent = displayText;
// Build rows
let rowsHtml = '';
dataTypes.forEach(dt => {
const bytes = numParams * dt.bytes;
const gb = bytesToGB(bytes);
const mib = bytesToMiB(bytes);
const typeClass = getDataTypeClass(dt.name);
rowsHtml += `
<tr data-type="${typeClass}">
<td><strong>${dt.name}</strong></td>
<td>${dt.bits}</td>
<td>${formatNumber(gb, 2)}</td>
<td>${formatNumber(mib, 2)}</td>
<td>${formatBytes(bytes)}</td>
</tr>
`;
});
tableBody.innerHTML = rowsHtml;
}
// ---- Event listeners ----
calculateBtn.addEventListener('click', function () {
calculateAndRender(paramInput.value);
});
paramInput.addEventListener('keydown', function (e) {
if (e.key === 'Enter') {
e.preventDefault();
calculateAndRender(paramInput.value);
}
});
document.querySelectorAll('.btn-preset').forEach(btn => {
btn.addEventListener('click', function () {
const value = this.getAttribute('data-value');
paramInput.value = value;
calculateAndRender(value);
});
});
// Initial load (7B)
calculateAndRender(paramInput.value);
// ---- Dark / Light toggle (custom class, default = dark) ----
function setTheme(theme) {
const html = document.documentElement;
if (theme === 'dark') {
html.classList.add('dark-mode');
themeIcon.textContent = '☀️'; // sun icon for switching to light
} else {
html.classList.remove('dark-mode');
themeIcon.textContent = '🌙'; // moon icon for switching to dark
}
localStorage.setItem('theme', theme);
}
themeToggle.addEventListener('click', function () {
const current = document.documentElement.classList.contains('dark-mode') ? 'dark' : 'light';
setTheme(current === 'dark' ? 'light' : 'dark');
});
// Load saved theme, or default to dark
function loadTheme() {
const saved = localStorage.getItem('theme');
if (saved) {
setTheme(saved);
} else {
setTheme('dark'); // default to dark
}
}
loadTheme();
})(); |