On inlining in C++ with unit-at-a-time code

[Joe Buck]

On Thu, Aug 07, 2003 at 03:23:44PM -0400, Nathanael Nerode wrote:
> I would also like to see unit-at-a-time enabled by default for GCC 3.4.
> Given that it's always a valid way to compile C/C++, I'd like to see
> it enabled at *all* optimization levels (although it makes little 
> pratical difference at -O0).
> 
> Think this will be possible?  :-)

What's the cost for doing unit-at-a-time in terms of compile time and
virtual memory consumption?