[randusername]

> Learning to check the compliers optimization reports is arguably more valuable

Where do I start?

I want to trust the compiler, but I don't always have time to feed every little piece into compiler explorer and interpret it. Is there a higher-level workflow?

[eoerl]

this is amazing https://godbolt.org/, you can just paste a function or a bunch of them and instantly see what is generated. It doesn´t take being an expert to start to recognize the (auto) vectorized bits

[Archit3ch]

You can write Julia code as normal and see each compiled function at the REPL. Very similar to a local Compiler Explorer.

Although as mentioned plenty of times, the largest wins tend to come from laying out your data correctly, or switching to a different algorithm. And heuristics. ;)