Re: C++ compilers on Linux supporting 64bit architecture?

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Jonathan Dieter <jdieter <at> gmail.com> writes:
> Have you looked at qemu at all?  Check out:
> http://www.h7.dion.ne.jp/~qemu-win/
> 
> It should be able to run a 64-bit virtual system under Windows... and
> it's completely free (in all ways).

Yes, QEMU can run x86_64 VMs on a 32-bit host. That's how the x86_64 RPMs at 
http://repo.calcforge.org/fedora/ are built. (I use a 32-bit Fedora as the host 
though, not Window$.) However, this isn't anywhere near fast, it's about 50 
times slower than the native hardware! Running 32-bit on 32-bit or 64-bit on 
64-bit can be accelerated with kqemu, but running 64-bit on 32-bit is only 
possible in software, which is really slow.

        Kevin Kofler

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