Hello, I don’t understand why any of the function calls underneath allocate memory on the heap. My reasoning is that these are unmutable structs, so when the functions are called, the type of field ´a´ is known to be a Float64 and floats don’t need to be allocated on the heap. Where am i wrong in…

[image] jt1: My reasoning is that these are unmutable structs, so when the functions are called, the type of field ´a´ is known to be a Float64 and floats don’t need to be allocated on the heap. This isn’t quite how it works. When you call f(unt), the compiler specializes f on the type of unt.…

Unexpected allocations when acessing field of struct

New to Julia

jt1 March 5, 2021, 2:42pm 3

Thank you very much for the clear and fast response @rdeits !

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Unexpected allocations when acessing field of struct

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