aad-assignment-1/index.html

384 lines
13 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<title>DETI Coin Miner - WebAssembly</title>
<style>
body {
font-family: monospace;
padding: 20px;
max-width: 1200px;
margin: 0 auto;
}
button {
padding: 10px 20px;
margin: 5px;
font-size: 16px;
cursor: pointer;
}
button:disabled {
opacity: 0.5;
cursor: not-allowed;
}
#stats {
margin-top: 20px;
padding: 10px;
background: #f0f0f0;
border-radius: 5px;
box-sizing: border-box;
}
#coins-container {
margin-top: 20px;
}
#coins {
width: 100%;
height: 300px;
padding: 10px;
background: #f9f9f9;
border: 2px solid #ccc;
border-radius: 5px;
font-family: monospace;
font-size: 12px;
overflow-y: auto;
white-space: pre-wrap;
word-wrap: break-word;
box-sizing: border-box;
}
.control-group {
margin: 10px 0;
}
label {
display: inline-block;
width: 200px;
}
h2 {
margin-top: 20px;
margin-bottom: 10px;
}
.coin-entry {
color: #006400;
font-weight: bold;
}
.coin-data {
color: #000080;
}
.simd-toggle {
display: inline-flex;
align-items: center;
gap: 10px;
}
.toggle-switch {
position: relative;
display: inline-block;
width: 60px;
height: 34px;
}
.toggle-switch input {
opacity: 0;
width: 0;
height: 0;
}
.slider {
position: absolute;
cursor: pointer;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: #ccc;
transition: .4s;
border-radius: 34px;
}
.slider:before {
position: absolute;
content: "";
height: 26px;
width: 26px;
left: 4px;
bottom: 4px;
background-color: white;
transition: .4s;
border-radius: 50%;
}
input:checked + .slider {
background-color: #2196F3;
}
input:checked + .slider:before {
transform: translateX(26px);
}
input:disabled + .slider {
background-color: #ddd;
cursor: not-allowed;
}
.simd-status {
font-weight: bold;
}
.simd-available {
color: #28a745;
}
.simd-unavailable {
color: #dc3545;
}
.button-group {
margin: 15px 0;
}
</style>
</head>
<body>
<h1>DETI Coin Miner (WebAssembly)</h1>
<div class="control-group simd-toggle">
<label>Enable SIMD:</label>
<label class="toggle-switch">
<input type="checkbox" id="simdToggle">
<span class="slider"></span>
</label>
<span id="simdStatus" class="simd-status"></span>
</div>
<div class="control-group">
<label>Iterations per batch:</label>
<input type="number" id="batchSize" value="1000000" step="100000" min="100000">
</div>
<div class="control-group">
<label>Update interval (ms):</label>
<input type="number" id="updateInterval" value="100" step="50" min="50">
</div>
<div class="button-group">
<button id="start">Start Mining</button>
<button id="stop">Stop Mining</button>
<button id="reset">Reset</button>
<button id="clearCoins">Clear Coins Display</button>
</div>
<div id="stats">
Waiting to start...
</div>
<div id="coins-container">
<h2>Found Coins (<span id="coin-count">0</span>)</h2>
<div id="coins"></div>
</div>
<script src="coin_miner_wasm.js"></script>
<script>
let mining = false;
let Module;
let miningInterval;
let updateInterval;
let lastDisplayedCoinCount = 0;
let pausedStats = false;
let simdAvailable = false;
CoinMinerModule().then(mod => {
Module = mod;
console.log('WebAssembly module loaded');
// Check if SIMD is available
simdAvailable = Module._is_simd_available();
const simdToggle = document.getElementById('simdToggle');
const simdStatus = document.getElementById('simdStatus');
if (simdAvailable) {
simdStatus.textContent = 'SIMD Available';
simdStatus.className = 'simd-status simd-available';
simdToggle.disabled = false;
// SYNC LOGIC: Read C state first to match backend
const cState = Module._is_simd_enabled();
simdToggle.checked = (cState === 1);
// Force sync again just to be safe
Module._set_simd_enabled(simdToggle.checked ? 1 : 0);
console.log(`JS: Initialized - SIMD Available, Toggle set to ${simdToggle.checked}`);
} else {
simdStatus.textContent = 'SIMD Not Available';
simdStatus.className = 'simd-status simd-unavailable';
simdToggle.disabled = true;
simdToggle.checked = false;
Module._set_simd_enabled(0);
console.log('JS: Initialized - SIMD Not Available');
}
// SIMD toggle handler
simdToggle.onchange = () => {
if (simdAvailable) {
const newState = simdToggle.checked ? 1 : 0;
console.log(`JS: User toggled SIMD to ${newState}`);
// Call the C function
Module._set_simd_enabled(newState);
// Update status display
const currentMode = simdToggle.checked ? 'SIMD Mode' : 'Scalar Mode';
if (!mining) {
document.getElementById('stats').innerHTML =
`${currentMode} selected. Click Start to begin mining.`;
}
}
};
document.getElementById('start').onclick = () => {
if (!mining) {
mining = true;
Module._resume_mining();
pausedStats = false;
console.log('Starting mining...');
startMining();
}
};
document.getElementById('stop').onclick = () => {
mining = false;
Module._stop_mining();
clearInterval(miningInterval);
clearInterval(updateInterval);
updateStats();
let currentHTML = document.getElementById('stats').innerHTML;
document.getElementById('stats').innerHTML =
currentHTML.replace('Mining Statistics:', 'Mining Statistics (PAUSED):');
pausedStats = true;
console.log('Mining stopped');
};
document.getElementById('reset').onclick = () => {
Module._reset_mining();
mining = false;
pausedStats = false;
clearInterval(miningInterval);
clearInterval(updateInterval);
lastDisplayedCoinCount = 0;
const mode = simdToggle.checked ? 'SIMD' : 'Scalar';
document.getElementById('stats').innerHTML =
`Reset complete. Using ${mode} mode. Click Start to begin.`;
document.getElementById('coins').innerHTML = '';
document.getElementById('coin-count').textContent = '0';
console.log('Mining reset');
};
document.getElementById('clearCoins').onclick = () => {
document.getElementById('coins').innerHTML = '';
console.log('Coins display cleared');
};
function coinToString(coinPtr) {
let coinStr = '';
for (let i = 0; i < 55; i++) {
const byteIdx = i ^ 3;
const wordIdx = Math.floor(byteIdx / 4);
const byteInWord = byteIdx % 4;
const word = Module.getValue(coinPtr + wordIdx * 4, 'i32');
const byte = (word >> (byteInWord * 8)) & 0xFF;
if (byte >= 32 && byte <= 126) {
coinStr += String.fromCharCode(byte);
} else if (byte === 10) {
coinStr += '\\n';
} else if (byte === 0x80) {
coinStr += '[0x80]';
} else {
coinStr += `[0x${byte.toString(16).padStart(2, '0')}]`;
}
}
return coinStr;
}
function displayNewCoins() {
const totalCoins = Module._get_found_coins_count();
if (totalCoins > lastDisplayedCoinCount) {
const coinsDiv = document.getElementById('coins');
for (let i = lastDisplayedCoinCount; i < totalCoins; i++) {
const coinPtr = Module._get_found_coin(i);
if (coinPtr !== 0) {
const coinStr = coinToString(coinPtr);
const timestamp = new Date().toLocaleTimeString();
const entry = document.createElement('div');
entry.innerHTML =
`<span class="coin-entry">[${timestamp}] Coin #${i + 1}:</span> <span class="coin-data">${coinStr}</span>`;
coinsDiv.appendChild(entry);
coinsDiv.scrollTop = coinsDiv.scrollHeight;
}
}
lastDisplayedCoinCount = totalCoins;
document.getElementById('coin-count').textContent = totalCoins;
}
}
function updateStats() {
const attemptsPtr = Module._malloc(8);
const coinsPtr = Module._malloc(4);
const hashRatePtr = Module._malloc(8);
const elapsedPtr = Module._malloc(8);
Module.setValue(attemptsPtr, 0, 'i32');
Module.setValue(attemptsPtr + 4, 0, 'i32');
Module._get_statistics(attemptsPtr, coinsPtr, hashRatePtr, elapsedPtr);
const attemptsLowUnsigned = Module.getValue(attemptsPtr, 'i32') >>> 0;
const attemptsHighUnsigned = Module.getValue(attemptsPtr + 4, 'i32') >>> 0;
let attempts;
if (attemptsHighUnsigned === 0) {
attempts = attemptsLowUnsigned;
} else {
const low = BigInt(attemptsLowUnsigned);
const high = BigInt(attemptsHighUnsigned);
attempts = (high * BigInt(4294967296)) + low;
}
const coins = Module.getValue(coinsPtr, 'i32');
const hashRate = Module.getValue(hashRatePtr, 'double');
const elapsed = Module.getValue(elapsedPtr, 'double');
Module._free(attemptsPtr);
Module._free(coinsPtr);
Module._free(hashRatePtr);
Module._free(elapsedPtr);
const mode = Module._is_simd_enabled() ? 'SIMD' : 'Scalar';
document.getElementById('stats').innerHTML = `
<strong>Mining Statistics (${mode} Mode):</strong><br>
Attempts: ${attempts.toString()}<br>
Coins Found: ${coins}<br>
Hash Rate: ${(hashRate / 1e6).toFixed(2)} MH/s<br>
Elapsed Time: ${elapsed.toFixed(2)} seconds
`;
displayNewCoins();
}
function startMining() {
const batchSize = parseInt(document.getElementById('batchSize').value);
const updateMs = parseInt(document.getElementById('updateInterval').value);
miningInterval = setInterval(() => {
if (!mining) {
clearInterval(miningInterval);
return;
}
Module._mine_coins_wasm(batchSize);
}, 0);
updateInterval = setInterval(updateStats, updateMs);
}
}).catch(err => {
console.error('Failed to load WebAssembly module:', err);
document.getElementById('stats').innerHTML = 'Error loading module: ' + err.message;
});
</script>
</body>
</html>