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What is the deal with AMD and Intel in a Linux environment?

post #1 of 25
Thread Starter 
So at work I am setting up a new cluster of servers that will be in charge of massive amounts of data analysis for a science research center. The data throughput needs to go through this cluster to be analyzed. Typically we always run with Xeon processors for this workload. However, I saw a few threads awhile back that actually showed how AMD is better in a linux environment, specifically Gentoo I believe, because of the compilers that are being used. Any information on this would be great. Right now I was looking at the benchmarks that Phoronix provided showed the FX series versus the current Xeon processors and it shows a great discrepancy between the very expensive Xeon processors and the new FX series (which would be the Opteron processors based off the Pile/Steam cores).

Any information with legit benchmarks would be appreciated. I am not looking for a fanboy bait thread. Just hardcore benchmarks and the reasoning behind why 'x' is better than 'y' in my specific environment. If anyone has had any experience with Opteron vs. Xeon based computation that would be great. For my specific software, the more cores the better. Frequency does not matter AS MUCH as the raw cores, but any improvement of the IPC depending on the OS version (linux vs. windows) would be awesome. Obviously we are using Linux - probably Ubuntu 10.4 LTS or Redhat. Thanks.

Btw here is the benchmark I was talking about: http://www.phoronix.com/scan.php?page=article&item=amd_fx8350_visherabdver2&num=4
post #2 of 25
Amd is more open source than Intel so yes its generally better on linux

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post #3 of 25
Thread Starter 
Quote:
Originally Posted by Bbrad View Post

Amd is more open source than Intel so yes its generally better on linux

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Can you be a bit more specific? Does it generally run better WITH open source software? Or is it the open source compilers?
post #4 of 25
Quote:
Originally Posted by j3st3r View Post

Quote:
Originally Posted by Bbrad View Post

Amd is more open source than Intel so yes its generally better on linux

Send from my Dominating Fascinate

Can you be a bit more specific? Does it generally run better WITH open source software? Or is it the open source compilers?
yes it runs better its more compatible as in amd gives all the Linux people all the little source they want and Intel is like NO MY SOURCE CODE RAAAWR

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post #5 of 25
Thread Starter 
Quote:
Originally Posted by Bbrad View Post

yes it runs better its more compatible as in amd gives all the Linux people all the little source they want and Intel is like NO MY SOURCE CODE RAAAWR

Send from my Dominating Fascinate

This is the answer I didn't really need. I need more specific technical answers. Thanks though.
post #6 of 25
Quote:
Originally Posted by j3st3r View Post

Quote:
Originally Posted by Bbrad View Post

yes it runs better its more compatible as in amd gives all the Linux people all the little source they want and Intel is like NO MY SOURCE CODE RAAAWR

Send from my Dominating Fascinate

This is the answer I didn't really need. I need more specific technical answers. Thanks though.
what more can you need you want me build Ubuntu from source what? This is all it is amd released more source than Intel end of story

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post #7 of 25
The thing is, a lot of people are comparing Gentoo which is probably compiled with a lot more extension specific flags and comparing it to Windows machines without those optimizations or stock builds of Linux distributions. To be honest, the best way to test the systems you're using themselves after compiling Gentoo on the systems yourselves.
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post #8 of 25
I've actually heard the opposite about AMD sharing source. According to a friend, Intel contributes more to the open source community and Linux kernel than AMD. I would like to see some articles explaining which is the real case here.
post #9 of 25
Thread Starter 
Quote:
Originally Posted by Lime View Post

The thing is, a lot of people are comparing Gentoo which is probably compiled with a lot more extension specific flags and comparing it to Windows machines without those optimizations or stock builds of Linux distributions. To be honest, the best way to test the systems you're using themselves after compiling Gentoo on the systems yourselves.

That is what I figured as Gentoo needs to be built from the ground up. I am sure you can customize it to function better with FX series but it probably comes with hours and hours of research and intense optimization for that specific platform, let alone the specific program you will be using. I kinda figured the FX series would run the same on Windows and Ubuntu.
post #10 of 25
Truth is, AMD processors run in a less than optimum environment under Windows. That's why they perform much nicer under Linux.
   
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