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Obviously, a 64-bit processor has a 64-bit address space, so you have more than 4 GB of RAM at your disposal. Does compiling the same program as 64-bit and running on a 64-bit CPU have any other advantages that might actually benefit programs that aren...
Started by Mason Wheeler on
, 9 posts
by 9 people.
Answer Snippets (Read the full thread at stackoverflow):
The main advantage of a 64-bit CPU is the ability to have 64-bit pointer types that allow of this discussion it's a good enough....
There's a great article on Wikipedia about and be happy .
For%20NX.pdf
You can install a 64-bit OS.
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What are the differences between 32-bit and 64-bit systems?
If you have used both of them, what kind of sharp differences have you experienced?
Would it be a problem to use 32-bit programs on 64-bit systems in some cases?
Started by Mehper C. Palavuzlar on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at superuser):
A 64-bit operating system on x86-64 can access up to 256 TB of virtual address space, though possible to run unmodified 32-bit software....
64-bit Vista/7 use fancier safety.
That's about it, in practice.
A 64-bit OS can use more RAM.
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I've migrated an Oracle database and Oracle HTTP server install from a 32-bit machine to a 64-bit machine - both machines running Linux. Oracle Database is 64-bit, but the (Apache) HTTP server is 32-bit.
I use some non-Oracle DSOs (mod_ntlm for one) but...
Started by Nick Pierpoint on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
M32 ' for 32-bit compilations and ' -m64 ' for 64-bit compilations on PPC or SPARC or Intel machines - since you don't actually mention which chip architecture you are using and that notation works frequently, CC="gcc -m64" to ensure....
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At my workplace, our servers have run 64-bit OSes for years. But the workstations are a problem. Very few applications and drivers work well on 64-bit OSes. Those few cases are enough to prevent the deployment of 64-bit OSes on workstations.
Why does ...
Started by Jader Dias on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at serverfault):
You shouldn't have any trouble running a non-Windows 64-bit OS on your would be for a chip manufacturer just to wholeheartedly dump 32bit processing compatability 64-bit driver support from the manufacturer....
And everything works fine.
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I want to upgrade my Vista 64-bit edition to Windows 7 64-bit, so I've installed and run the Windows 7 Compatibility Test. The only item that is being highlighted as incompatible is my Zyxel G-202 wireless usb network device.
Does anyone know of a wireless...
Started by BrynJ on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at superuser):
Personally for me, for home machines, I just look for the cheapest place that has a Realtek chip.
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I'm looking to buy a PCI wireless interface card for a Vista Home Premium 64-bit machine.
I'm concerned about potential driver issues and am unable to determine what cards don't have driver issues.
What PCI wireless cards are known to have (reasonably...
Started by Jon Cram on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
I would recommend anything with a Realtek chip.
In the early days, but that is pretty much behind them .
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I'm using Visual Studio 2008, C#. I try to use edit-and-continue (edit the code while debugging), and get this exception:
"Changes to 64-bit applications are not allowed"
Why is that? Is there a workaround?
Started by ripper234 on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
See also http://stackoverflow.com/questions/955922/why-doesnt-edit-and-continue-work-on-the-x64-clr
Read here
http://....
I haven't heard any updates on when they plan to do it yet .
The edit-and-continue feature simply hasn't been implemented in x64 yet .
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I would like to know whether i can assume that same operations on same 64-bit floating point numbers gives exactly the same results on any modern PC and in most common programming languages? (C++, Java, C#, etc.). We can assume, that we are operating ...
Started by peper0 on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
That means that locals and parameters....
Promotions are allowed, except for storage.
64-bit in the case of a 'double').
Is mandated)
For the 64-bit data type, I only know of "double precision" / "binary64" from the IEEE 754, the type itself (i.e.
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Hello,
I have manually installed Windows 7 Ultimate on my AMD on 32-bit, but i am not sure if i have 32 or 64 bit.
My Windows 7 System (CP) tells me i have a 32-bit OS, but that my processor is a AMD Athlon64.
So, do i have a 32 or 64 bit?
Is it better...
Started by TutorialPoint on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at superuser):
There....
Mainstream 64-bit chips can run 64-bit a 64-bit OS.
You should be looking for 32-bit programs if you're installing anything .
You have 32-bit Windows and a 64-bit processor.
In the vast, vast majority of cases.
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I'm putting together a spec sheet for a new system next year. Due to UEFI and having over 4 GB, I finelly will have a reason to migrate to 64-bit OSs.
Are there any issues I should be aware of? I have some old Loki games I still play:
SMACX
Soldgier of...
Started by whm1974 on
, 40 posts
by 13 people.
Answer Snippets (Read the full thread at arstechnica):
32-bit code runs unchanged in a 64-bit games work fine in 64-bit mode....
You may have is probably the toughest compatibility test you could come up with .
-Bill
-Bill Theoretically, everything will just work on a 64-bit system.
Games.
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