routing.js

app.get('/cpu-intensive/:type/:num/:threads', (req,res) => {

        console.log('Type: ',req.params.type)
        console.log('Num:' ,req.params.num)
        console.log('Threads:' ,req.params.threads)

        // switch method to run based on TYPE
        // increasing NUM means increasing CPU-operations
        // THREADS are the threads to use when using arrays of workers
    
        console.log('---')
    })

Related to medium article: https://gae-piaz.medium.com/achieve-the-best-performance-10x-faster-node-js-with-worker-threads-97fc2890e40f