Performance gains of up to approximately 30% over gcc 3.2. Optional Fortran compiler vs. g77, which translates into C and compiles with GCC. GCC compatibility mode. 64-bit support (Intel Itanium only) ...
I did a default install for Redhat Enterprise Linux V4 Update3. I had that the compilers for c, c++, fortran, fortran90 would be installed by default. But it didn't. It that the way it is supposed to ...