MCP 3D Printer Server

by DMontgomery40
Verified
var encoder = require('./meshopt_encoder.js'); var decoder = require('./meshopt_decoder.js'); var { performance } = require('perf_hooks'); process.on('unhandledRejection', error => { console.log('unhandledRejection', error); process.exit(1); }); function bytes(view) { return new Uint8Array(view.buffer, view.byteOffset, view.byteLength); } var tests = { roundtripVertexBuffer: function() { var N = 1024*1024; var data = new Uint8Array(N * 16); for (var i = 0; i < N * 16; i += 4) { data[i + 0] = 0; data[i + 1] = (i % 16) * 1; data[i + 2] = (i % 16) * 2; data[i + 3] = (i % 16) * 8; } var decoded = new Uint8Array(N * 16); var t0 = performance.now(); var encoded = encoder.encodeVertexBuffer(data, N, 16); var t1 = performance.now(); decoder.decodeVertexBuffer(decoded, N, 16, encoded); var t2 = performance.now(); return { encodeVertex: t1 - t0, decodeVertex: t2 - t1, bytes: N * 16 }; }, roundtripIndexBuffer: function() { var N = 1024*1024; var data = new Uint32Array(N * 3); for (var i = 0; i < N * 3; i += 6) { var v = i / 6; data[i + 0] = v; data[i + 1] = v + 1; data[i + 2] = v + 2; data[i + 3] = v + 2; data[i + 4] = v + 1; data[i + 5] = v + 3; } var decoded = new Uint32Array(data.length); var t0 = performance.now(); var encoded = encoder.encodeIndexBuffer(bytes(data), data.length, 4); var t1 = performance.now(); decoder.decodeIndexBuffer(bytes(decoded), data.length, 4, encoded); var t2 = performance.now(); return { encodeIndex: t1 - t0, decodeIndex: t2 - t1, bytes: N * 12 }; }, }; Promise.all([encoder.ready, decoder.ready]).then(() => { var reps = 10; var data = {} for (var key in tests) { data[key] = tests[key](); } for (var i = 1; i < reps; ++i) { for (var key in tests) { var nd = tests[key](); var od = data[key]; for (var idx in nd) { od[idx] = Math.min(od[idx], nd[idx]); } } } for (var key in tests) { var rep = key; rep += ":\n"; for (var idx in data[key]) { if (idx != "bytes") { rep += idx; rep += " "; rep += data[key][idx]; rep += " ms ("; rep += data[key].bytes / 1024 / 1024 / 1024 / data[key][idx] * 1000; rep += " GB/s)"; rep += "\n"; } } console.log(rep); } });