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Probably because they want to use their CPU at their fullest: remember that with the new registers x86-64 can bring up to a 20% performance improvement, so it's not only the memory..
20%? For what types of operations? Performance gains on the desktop are negligible and in some cases 32 bit is faster:
http://www.extremetech.com/article2/0,2845,2280812,00.asp
64 bit performance really depends on the type of workload:
http://blogs.msdn.com/b/sqlprogrammability/archive/2007/04/30/will-...
20%? For what types of operations? Performance gains on the desktop are negligible and in some cases 32 bit is faster:
http://www.extremetech.com/article2/0,2845,2280812,00.asp
64 bit performance really depends on the type of workload:
http://blogs.msdn.com/b/sqlprogrammability/archive/2007/04/30/will-...
You know, that's a mislead benchmark there. There's really rarely a case where your computer is otherwise idle but only plays music; no, usually the user is also doing some other things at the same time as playing music. The more processes you are running simultaneously the bigger the benefit you'll see in running 64-bit.
Also, web browsers et al do move around a lot of data and as such the extra bandwidth really benefits them. And the heavier the application in question the more benefit it gains; audio and video editing and processing applications, 3D modeling and CAD applications, photo manipulation, hell, even gaming.
Usually a user doesn't have only 1 single application open playing a single track and as such it's safe to say that 64-bit OS and applications stack DOES indeed provide worthy benefits over 32-bit ones.





Member since:
2005-07-06
Probably because they want to use their CPU at their fullest: remember that with the new registers x86-64 can bring up to a 20% performance improvement, so it's not only the memory..
Sure, this happens only on very few applications, but it's still annoying to not be able to use your computer "efficiently" due to poor software.