benchmark-tests.js

const { startWasiTask } = require("../lib");
const { performance } = require("perf_hooks");

global.benchmarkRunner = function (name, body) {
    console.log(`Running '${name}' ...`);
    const startTime = performance.now();
    body(5000);
    const endTime = performance.now();
    console.log("done " + (endTime - startTime) + " ms");
};

class JSBenchmark {
    constructor(title) {
        this.title = title;
    }
    testSuite(name, body) {
        benchmarkRunner(`${this.title}/${name}`, (iteration) => {
            for (let idx = 0; idx < iteration; idx++) {
                body();
            }
        });
    }
}

const serialization = new JSBenchmark("Serialization");
serialization.testSuite("Write JavaScript number directly", () => {
    const jsNumber = 42;
    const object = global;
    for (let idx = 0; idx < 100; idx++) {
        object["numberValue" + idx] = jsNumber;
    }
});

serialization.testSuite("Write JavaScript string directly", () => {
    const jsString = "Hello, world";
    const object = global;
    for (let idx = 0; idx < 100; idx++) {
        object["stringValue" + idx] = jsString;
    }
});

startWasiTask("./dist/BenchmarkTests.wasm").catch((err) => {
    console.log(err);
});