Re: does 32bit app run under the 64bit fc5 ?

[Gilboa Davara <gilboad gmail com>]

On Mon, 2006-10-16 at 11:18 -0400, Jeff Voskamp wrote:
> Oscar One wrote:
> > 1. Should I need do some settings?
> > 2. What's the performance of it?
> >  
> > thank you very much!
> 1. As long as the appropriate libraries are installed you're good.
> 2. Should  be "near native".

In -theory- the price of thunking (converting 32bit system calls to
64bit and back) should be lower then the performance boost on truly
native 64bit cores such as AMD Athlon64/Opteron or Core2 CPUs.

Either way, the performance hit should be minimal if any.

- Gilboa