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Forums » 64 Bit Windows in April? » Good; I'd like to try on my 64 bit Athlon laptop
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Win ver Linux 64 »
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BA
The Old Man's Gonna Roll the Hard Six
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Re: Good; I'd like to try on my 64 bit Athlon lapt

Using 32-bit apps isn't as transparent as they advertise - which is why the latest reviews on x64 Windows RC1 indicates there are small number of compatibility problems with existing apps. 32- and 64-bit code can't be used interchangeably. 32-bit apps need 32-bit DLL's and vice versa. For 32-bit apps, the OS uses the WoW64 compatibility mode which results in a (very?) small performance penalty.
permalink · 2005-01-24 15:43:57 · Reply to this
Forums » 64 Bit Windows in April?Win ver Linux 64 »
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