gcc4 slower than gcc3.4.3 ?

[Rahul Sundaram]

dragoran wrote:

> http://www.coyotegulch.com/reviews/gcc4/index.html
> are this bugs in the compiler or does this apps needs to be optimized
> for gcc4?
>
The  infrastructure for optimisation [1]  has already been merged into 
GCC with the new major release of 4.0 but significant performance 
improvements can only be expected in the subsequent minor revisions. 

regards
Rahul

[1] http://lwn.net/Articles/84888/