Galactic.perf(...)

Manual speedmark

var perf = Galactic.perf()
perf('one-thing') // logs time since perf was created
perf('another-thing') // logs time since 'one-thing'

Speedmark of 1000 interations

Galactic.perf(() => {
    // perform synchronous operation here
}, 1000)

Async speedmark of 1000 interations

Galactic.perf((resolve) => {
    // perform asynchronous operation and then...
    resolve()
}, {
    amount: 1000,
    async: true
})