On Tuesday, 3 February 2015 at 22:41:30 UTC, Jonathan M Davis
wrote:
Well, as far as I can tell, that's pretty much exactly what
Walter meant by
"hot" and "cold" - how likely they are to be called, with the
idea that the
compiler could then use that information to better optimize -
be it inlining
or some other optimization.
But "hot" does not imply inlining. You might want to tell the
compiler that a function should use "hot" function call mechanics
and never inline (for pragmatic reasons, like injecting
breakpoints).
