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Can you share some more details about what those optimizations are? Can you point us to a link?

You could try compiling with and without `-gcflags '-N -l'`

`-N` disables optimization and `-l` disables in-lining.

I also found this[0] page which lists some optimizations done by the compiler.

edit: You can see what the compiler emits as assembly code with `-gcflags '-S'` so you can compare the optimized vs unoptimized assembly.

is maybe a good starting point.