GCC Compile-Time Regressions

[Neil Booth]

Ziemowit Laski wrote:-

> Just for completeness, I thought I'd share my measurements for release 
> branches other than 3.3.x.
> 
> Currently, there is some controversy as to whether 3.4/TOT is actually 
> slower than 3.3.  My measurements
> consistently confirm this thesis, although some folks apparently found 
> the reverse to be true.  A suggestion
> has been made (on this list, I believe) that 3.4 may be slower on small 
> files but faster on big ones.  So,
> is my test case considered small or large? The structparser.cpp file 
> itself is indeed very small, but it
> pulls in a lot of Qt and STL gunk via #include and balloons up to 1 Mb, 
> which I would no longer consider
> small.  So, if someone (other than me) could do some systematic 
> 3.3-vs-3.4 measurements and post the results
> here, that would be great.

How come the .ii file is so different?  /me guesses tabs have become
spaces.

Neil.