Author: K. Burcham
Date: 07:32:34 10/21/03
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I do not see 64 bits as something important. Uri I think 64 bit is very important. Do we have to have 64 bit now? no, things are going just fine for home use and in commercial networking, but there will be benefits. Do you believe we have benefited from going from 16 bit to 32 bit? When 1000's of technicians in many fields focus on 64 bit, I believe good things will happen. The speedup will probably be similiar to an average upgrade for chess programs. Many benchtests on internet now. This 64 bit will be my next upgrade for my dual processor gamer. kburcham The major differentiator between 32-bit and 64-bit Windows is in memory support. Currently, 32-bit Windows is capable of supporting up to 4 GB of system memory, with up to 2 GB of dedicated memory per process. Windows XP 64-Bit Edition will currently support up to 16 GB of RAM, with the potential to support up to 16 terabytes of virtual memory as hardware capabilities and memory sizes grow. Customers will find some feature differences, but overall, 64-bit Windows includes a majority of the features that are included in 32-bit Windows. large memory support and increased floating point speeds. Windows XP 64-Bit Edition allows these large data sets to be loaded into memory for rapid access by the processor. Since data in memory is accessed about 10,000 times faster than it is on a disk drive, analysis can be performed quickly. However, 32-bit processes cannot load 64-bit dynamic-link libraries (DLLs), and 64-bit processes cannot load 32-bit DLLs. While 64-bit hardware will be compatible with many 32-bit applications, 32-bit applications will perform better on 32-bit hardware. WOW64 is intended to run 32-bit personal productivity applications, enabling new levels of creativity and collaboration. Q. Will my applications be faster on Windows XP 64-Bit Edition? A. Applications that require large-memory addressability (beyond the 4 GB memory limitation of 32-bit architectures) should benefit immediately from performance increases on Windows XP 64-Bit Edition. Over time, more and more ISVs are expected to migrate their applications to take full advantage of the scalability and memory capacity provided by Itanium-based workstations running Windows XP 64-Bit Edition. Most 32-bit applications should continue to perform best on 32-bit versions of the Windows operating system. To learn whether specific applications will be migrated to 64-bit versions for Windows XP 64-Bit Edition please contact your ISV. http://www.microsoft.com/windowsxp/64bit/evaluation/faq.asp
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