Files
salvium-rs/test/benchmark-vm.js
T
Matt Hess 7730b6993f ● Add AssemblyScript WASM VM for RandomX full mode
- Create assembly/vm.ts with full RandomX VM implementation
    - 256 instructions, 2048 iterations per hash
    - Native u64/f64 operations in WebAssembly
    - Full mode dataset lookups (2GB pre-computed)

  - Update miner to use WASM VM for full mode
    - mining-worker-asm.js uses pre-compiled WASM
    - ~32 H/s per thread (4x faster than light mode)
    - 8 threads achieves ~260 H/s

  - Clean up redundant code
    - Remove mining-worker-full.js (old JIT approach)
    - Consolidate 'asm' mode into 'full' mode
2026-01-18 01:16:10 +00:00

85 lines
2.5 KiB
JavaScript

/**
* Benchmark: Interpreted VM vs Vendored JIT
*/
import { randomx_init_cache, randomx_create_vm } from '../src/randomx/vendor/index.js';
import { RandomXVM } from '../src/randomx/vm.js';
import { RandomXCache } from '../src/randomx/dataset.js';
import { blake2b } from '../src/blake2b.js';
const TEST_SEED = Buffer.from('33d64e8899b07bcc1234567890abcdef1234567890abcdef1234567890abcdef', 'hex');
const TEST_INPUT = Buffer.from('This is a test input for RandomX hashing benchmark');
async function benchmarkVendored(numHashes) {
console.log(`\n=== Vendored JIT (${numHashes} hashes) ===`);
const cache = randomx_init_cache(TEST_SEED);
const vm = randomx_create_vm(cache);
const start = performance.now();
for (let i = 0; i < numHashes; i++) {
const input = Buffer.concat([TEST_INPUT, Buffer.from([i])]);
vm.calculate_hash(input);
}
const elapsed = performance.now() - start;
console.log(`Time: ${elapsed.toFixed(2)}ms`);
console.log(`Per hash: ${(elapsed / numHashes).toFixed(2)}ms`);
console.log(`Hashrate: ${(numHashes / (elapsed / 1000)).toFixed(2)} H/s`);
return elapsed;
}
async function benchmarkInterpreted(numHashes) {
console.log(`\n=== Interpreted JS (${numHashes} hashes) ===`);
// Initialize cache using the proper RandomXCache class
const cache = new RandomXCache();
console.log('Initializing cache (this may take a moment)...');
const cacheStart = performance.now();
cache.init(TEST_SEED);
console.log(`Cache init: ${(performance.now() - cacheStart).toFixed(0)}ms`);
const vm = new RandomXVM(cache);
const start = performance.now();
for (let i = 0; i < numHashes; i++) {
const input = Buffer.concat([TEST_INPUT, Buffer.from([i])]);
// Generate seed from input
const seed = blake2b(input, 64);
vm.initScratchpad(seed);
vm.run(seed);
const hash = vm.getFinalResult();
}
const elapsed = performance.now() - start;
console.log(`Time: ${elapsed.toFixed(2)}ms`);
console.log(`Per hash: ${(elapsed / numHashes).toFixed(2)}ms`);
console.log(`Hashrate: ${(numHashes / (elapsed / 1000)).toFixed(2)} H/s`);
return elapsed;
}
async function main() {
console.log('RandomX VM Benchmark');
console.log('====================');
const numHashes = 5;
try {
await benchmarkVendored(numHashes);
} catch (err) {
console.log('Vendored error:', err.message);
}
try {
await benchmarkInterpreted(numHashes);
} catch (err) {
console.log('Interpreted error:', err.message);
}
}
main().catch(console.error);