32bit program on 64bit Windows/Linux

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Discussion Overview

The discussion centers around the compatibility of 32-bit applications on a 64-bit Windows operating system, particularly in the context of investing in a 64-bit capable PC, such as an Athlon 64. Participants explore the implications of using 32-bit software on a 64-bit system, the performance considerations, and the timing of hardware and software availability.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested
  • Homework-related

Main Points Raised

  • Some participants assert that 32-bit applications can run on 64-bit Windows, but they may experience slower performance.
  • There is a suggestion that the main differences between 32-bit and 64-bit systems include pointer variable sizes and virtual address space, with implications for software compatibility.
  • One participant expresses skepticism about the necessity of moving to 64-bit technology, citing a lack of available software for home users and recommending waiting until 2008 for a more justified investment.
  • Another participant mentions that 3D gaming could benefit from a 64-bit processor, but notes that few games are currently being developed for 64-bit systems.
  • Concerns are raised about the need for hardware drivers to support 64-bit operating systems for proper functionality.
  • There is a discussion about alternative processor options, such as Athlon XP or Intel Prescott, as potentially sufficient for the user's needs.

Areas of Agreement / Disagreement

Participants express differing views on the necessity and timing of transitioning to 64-bit systems, with some advocating for caution and others highlighting potential benefits. The discussion remains unresolved regarding the best approach to investing in 64-bit technology.

Contextual Notes

Participants mention the projected release dates for 64-bit Windows and the availability of compatible software and drivers, indicating a dependence on future developments in technology.

Saint
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If I invest in Athlon 64 PC for the sake of 64bit Windows,
later, can I install 32bit applications (e.g. Partition Magic, Games etc) on the 64bit Windows? :confused:
 
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Saint said:
If I invest in Athlon 64 PC for the sake of 64bit Windows,
later, can I install 32bit applications (e.g. Partition Magic, Games etc) on the 64bit Windows? :confused:
I think the main difference as far as I have learned between Win64 and Win32, sytematically, is the size of pointer variables and the size of virtual address space...They both also have many other differences in file system but both if mentioned in relation to NTFS, will support 64-bit file addresses. Many of the programs created today will surely be required to be compatible with different platforms among which Win64 is nothing that turns out strange to many people. I think a big bear will try his best to protect his daughters and sons from dangerous enemies but does it mean his offsprings are not belonging to bear community ?
Am I on the incorrect track ?
 
Yes you can run 32bit applications, but they may run slower. My suggestion is not to get influenced by the hype, unless your in the server market. There just isn't enough software avallable for home users to justify moving. Windows Longhorn isn't even going to be 64bit and that doesn't come out until 2006. I would say went until 2008 to seriously consider 64bit processors.
 
So, I just need to invest in Athlon XP or Intel Prescott (PCI express) would be good enough.
 
What are you going to do with this new computer?
 
playing 3D computer games,
Visual.NET programming,
Internet,
install TV card and connect it to projector so that i can have a 100 inches home theater system.
 
The only thing that could benefit from a 64bit processor is 3d gaming, but there are no games that that are being written for 64bit processors since so few people have them.

I just looked up the exact projected date for 64bit windows and it will come out around late 2005 to beginning 2006. And this is just for windows xp 64bit. By that time you might as well wait around for 32bit windows longhorn which is going to have much more capabilities then windows xp.

One thing to also note is that the drivers for your hardware needs to support 64bit to run at all in a 64bit operating system.

It better to wait then pay top dollar to get a technology that you may end up not using at all. The sweet spot in processors right now is 2.6Ghz. An AMD at this speed will cost around $67 USD and an Intel at this speed will cost around $94. For the two past computers I've gotten an AMD and have been very satisfied by its performance.
 

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