On Tue, Oct 18, 2011 at 11:50:08AM -0700, Instruisto Jose wrote: > What are the main advantages of debian amd64 compared to i386 debian > besides to address more than 4GB of memory? * The 64-bit kernel enables the NX bit if it's available (which it is on most amd64 processors) and uses it automatically for 64-bit programs. * The increase in the number of registers can provide significant performace increases. * The ability to use 64-bit arithmetic and logical operations can provide significant performance increases. * Floating-point operations both behave as expected and operate efficiently, thanks to SSE2. * The compiler can depend on the CPU being able to perform more advanced operations, such as certain vector operations, which can increase performance. So basically, a lot of performance improvement potential. 20% is not unheard of. -- brian m. carlson / brian with sandals: Houston, Texas, US +1 832 623 2791 | http://www.crustytoothpaste.net/~bmc | My opinion only OpenPGP: RSA v4 4096b: 88AC E9B2 9196 305B A994 7552 F1BA 225C 0223 B187
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