On Sat, 2005-10-22 at 19:09 +0300, Arturas Moskvinas wrote: > > What Opteron dual core? Are there any special flags in GCC to make the > > compile really optimal for the AMD64 Opteron Dual Core CPU? > > AMD Opteron Dual Core is almost the same as simple AMD64 Opteron Dual > CPU, so there is no real big difference between them, only connection > "processor to processor" is better, so there should be no specific flags > either... So, we really don't need something like?: gcc -mcpu="my specific processor" I don't see anything about my specific processor in the following output: I only see that it is architecture specific. ==================================================================== [williams@sns-hp-eval1 medm]$ gcc -v Reading specs from /usr/lib/gcc/x86_64-redhat-linux/3.4.4/specs Configured with: ../configure --prefix=/usr --mandir=/usr/share/man -- infodir=/usr/share/info --enable-shared --enable-threads=posix -- disable-checking --with-system-zlib --enable-__cxa_atexit --disable- libunwind-exceptions --enable-java-awt=gtk --host=x86_64-redhat-linux Thread model: posix gcc version 3.4.4 20050721 (Red Hat 3.4.4-2) ====================================================================== Ernest > > Arturas M. >
