Comment

Darek

Rule of thumb: newer instance types are generally faster. Try C5 instance.

Looks like Python script can't use all cores and you just benchmarking single core performance.

Replies

Peter Bengtsson

Yeah. Which makes sense. For zip files, the whole thing can't be subdivided. In other words, c4.large==c4.Nxlarge

See my (second) update about using c5.