Package Exports

throughput
throughput/index.js

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (throughput) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

throughput

Speed measurement

npm install throughput

Usage

const throughput = require('throughput')
const fs = require('fs')

// Let's measure how fast we can read from /dev/urandom
const speed = throughput()
const stream = fs.createReadStream('/dev/urandom')

stream.on('data', function(data) {
  // Simply call speed with the amount of bytes transferred
  const bytesPerSecond = speed(data.length)

  console.log(bytesPerSecond+' bytes/second')
})

You can always get the current speed by calling speed().

Per default throughput uses a 5 second buffer. To change this simply pass another value to the constructor

const speed = throughput(20) // uses a 20s buffer instead

This is an improved version of speedometer by mafintosh, which used timeouts, which cause a lot of issues.

License

MIT