Re: Fedora development switch to GCC 4.1.0-RH prerelease

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On Thu, 2005-12-08 at 13:35 +0100, Thomas M Steenholdt wrote:
> Jakub Jelinek wrote:
> > Hi!
> > 
> > Some time between today and tomorrow we plan to switch Fedora development
> > primary compiler from GCC 4.0.2-RH to 4.1.0-RH prerelease.
> > We hope GCC 4.1.0 will be officially released in time for the
> > Fedora Core 5 release, but if we want to switch, we need to do it now
> > so that the compiler and packages built with it are sufficiently tested.
> > 
> Cool,
> 
> Do anyone have an idea if gcc4.1 is going to affect Fedora overall 
> performance at all or in either good/bad ways?

one thing that will be good is that this version of gcc automatically
detects that variables are never written to, and puts then in a special
ELF section; the result is that shared libs and binaries share that
memory between them instead of one for each app, and the total memory
usage of fedora will go down a bit as a result!


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