On Tuesday, 11 September 2018 at 12:07:14 UTC, drug wrote:
If data size is less or equal to total size of available
registers (that can be used to pass values) than passing by
value is more efficient. Passing data with size less than
register size by reference isn't efficient because you pass
pointer (that has register size) and access memory using it.
Thank you!
So if I pass by reference it will ALWAYS use the address in
memory to fetch the data, whereas passing it by value enables the
(compiler?..) to use the register which has already loaded the
data from memory (stack for example)?
