[m-users.] Stackoverflow from --intermodule-optimisation

[Michael Day]

Hi Paul,

> It is reported to (comments in the manual) that it can slow programs down.
> My guess is that this means the chance of slowing a program down is almost
> as good as the chance that it'll speed up.

Is there a canonical example of code that runs slower with this 
optimisation?

What is the mechanism of the slowdown, just having more arguments to 
pass down?

Unless the slowdown really is significant, I would still suggest 
enabling the optimisation by default. Without it, code may run slightly 
faster up until the point that it crashes by overflowing the stack :)

Cheers,

Michael

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