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AMD64 Java requires linux?

 
Lee Chapman
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Hello.

I have a Toshiba laptop with an AMD64 processer. I have Vista Home loaded on it right now. I wish to
run a CPU intensive program on it that does pure mathematical calcualtions and can, and has, run for over two days straight. I believe it will speed up somewhat with a 64 bit application.

My question is: Can I run 64 bit java under VISTA (a 32 bit OS) or do I have to, as I suspect, use a Linux flavor?

And if so, what Linux (downloadable) system should I use? I have managed to get openSUSE, Ubuntu, and Debian
(both stable and testing) up and running on the little guy.

I appreciate any help you can give me on the subject. Thanks in advance.
 
Jesper de Jong
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Welcome to JavaRanch.

You cannot run 64-bit Java on a 32-bit OS. 64-bit Java only runs on a 64-bit OS, but it doesn't necessarily have to be Linux or some other flavour of Unix. There's also Java for 64-bit Windows.

If you have 32-bit Windows Vista, then you cannot use 64-bit Java.

If you're looking for a Linux distribution: It doesn't really matter, because it's all Linux and all software made for Linux runs on (almost) all distributions. It's a matter of personal preference. I personally like Ubuntu; I'm running 64-bit Ubuntu 7.10 on my desktop PC and 32-bit Ubuntu 7.10 on my laptop. Have a look at http://distrowatch.com/ for more information on the differences between Linux distro's.
 
Lee Chapman
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Thank you sir.

I should rephrase my question.

Will 64 bit java run under Ubunto 64 bit OS?
 
Jeff Rummings
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Originally posted by Lee Chapman:
Thank you sir.

I should rephrase my question.

Will 64 bit java run under Ubunto 64 bit OS?


Clearly yes since there're downloads on Sun's website.
 
Ernest Friedman-Hill
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Lee --

Also note that Vista comes in both 32-bit and 64-bit (AMD64) versions.
 
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