Re: libimf.so
On Sat, 13 Jan 2007, Carlo Segre wrote:
If you could tell us a bit more details on the application your are
installing and where you get it, that would help. It is likely that you are
installing a program which has been compiled for Intel architecture on your
amd64 machine. Likely the Intel compiler would build for the i386 libraries
only (they wouldn't support an AMD chip in native mode, would they?). in
addition, you are running amd64 which makes the chip incompatible with Intel.
If you put an i386 distribution on your machine, it is possible that the
program will run. I could test it but I need to know which program you are
using.
Hello Carlo. As somebody else already pointed out, some of Intel's newer
chips implement what they call "64 bit extensions", which how they call the
64 bit instruction set of AMD's 64 bit chips. Apart from very small
differences in SSEx instructions, x86_64 64 bit code works fine on Intel and
AMD chips. Indeed I think that debian dropped separately optimised kernels
for k8 and Intel chips, since there was no advantage in that. The Intel
compilers for x86_64 chips can be used to compile code for Opterons, and
actually do a good job, as long as you avoid some very specific optimisation
options. As to the libimf library, the license of the Intel C/C++ compiler
contains a text file, named credist.txt, which lists the libraries which
Intel permits you to redistribute, and it includes libimf in static and
shared format. Indeed whoever can legitimately distribute executables
compiled with the Intel compilers can (and probably should) give you also
the Intel shared libraries.
Bye
Giacomo
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Giacomo Mulas <gmulas@ca.astro.it>
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