I made this extension for VS Code that also saves the outputs to markdown, so you can save it straight to blog posts: https://marketplace.visualstudio.com/items?itemName=gobookde...

Each cell runs in a 0.3 secs on Linux, but 3 seconds + on Windows.

If you want just straight terminal check out Gomacro, that's a interpreter that runs really fast, didn't find any differences to compiled Go.