The One Billion Row Challenge (1BRC) is intended to be a fun exploration of how far modern Java can be pushed for aggregating one billion rows from a text file. ..But what happens if you do it in Go?

Sometime around the middle of January, I stumbled across One Billion Rows Challenge. I had a lot of fun working on this. I started with an execution time of > 6min and finished at about 14s. Here’s how I went about it.