Author: Robert Hyatt
Date: 09:37:09 12/09/03
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On December 09, 2003 at 12:11:37, Frank Phillips wrote: >On December 08, 2003 at 15:31:51, Robert Hyatt wrote: > > >> >>I agree about the amd64 speeds. IE a 1.8ghz opteron is faster than my >>2.8ghz xeon by a significant margin. One cpu test puts the 1.8ghz opteron >>at a bench speed of 1,639.241 nps. My 2.8ghz xeon weighs in at 1,079,714 >>nps. Add .4ghz to reach 3.2, and add .4 to reach amd's 2.2, and the >>amd is going to be 50-60% _faster_... > > >Bob > >Does the amd64 indicate 64 bit mode for the Opteron? Or is the comparison for >32 bit mode? > >Frank I'm definitely running in 64 bit mode. IE instructions like this: movq val, %rax or movq val, %r8 This is a 64-bit enabled version of Linux and GCC. I really can't run a 32 bit comparison as this machine is running a Suse distribution with 64 bit kernel and 64-bit GCC.
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